Biggest changeThe following tables summarize revenue results for the years ended December 31, 2022, 2021 and 2020 (dollars in thousands): Year Ended December 31, % Change % of Total Revenue 2022 2021 2020 2022 vs. 2021 2021 vs. 2020 2022 2021 2020 Product Revenue Paint protection film $ 192,374 $ 169,880 $ 110,786 13.2 % 53.3 % 59.4 % 65.5 % 69.7 % Window film 54,370 38,363 20,951 41.7 % 83.1 % 16.8 % 14.8 % 13.2 % Other 11,430 9,040 4,525 26.4 % 99.8 % 3.5 % 3.5 % 2.8 % Total $ 258,174 $ 217,283 $ 136,262 18.8 % 59.5 % 79.7 % 83.8 % 85.7 % Service Revenue Software $ 5,213 $ 4,373 $ 3,489 19.2 % 25.3 % 1.6 % 1.7 % 2.2 % Cutbank credits 16,317 12,372 7,785 31.9 % 58.9 % 5.0 % 4.8 % 4.9 % Installation labor 42,828 24,253 10,925 76.6 % 122.0 % 13.2 % 9.4 % 6.9 % Training and other 1,461 982 463 48.8 % 112.1 % 0.5 % 0.3 % 0.3 % Total $ 65,819 $ 41,980 $ 22,662 56.8 % 85.2 % 20.3 % 16.2 % 14.3 % Total $ 323,993 $ 259,263 $ 158,924 25.0 % 63.1 % 100.0 % 100.0 % 100.0 % 37 Because many of our international customers require us to ship their orders to freight forwarders located in the United States, we cannot be certain about the ultimate destination of the product.
Biggest changeThe following tables summarize revenue results for the years ended December 31, 2023, 2022 and 2021 (dollars in thousands): Year Ended December 31, % Change % of Total Revenue 2023 2022 2021 2023 vs. 2022 2022 vs. 2021 2023 2022 2021 Product Revenue Paint protection film $ 229,880 $ 192,374 $ 169,880 19.5 % 13.2 % 58.0 % 59.4 % 65.5 % Window film 67,951 54,370 38,363 25.0 % 41.7 % 17.1 % 16.8 % 14.8 % Other 13,575 11,430 9,040 18.8 % 26.4 % 3.5 % 3.5 % 3.5 % Total $ 311,406 $ 258,174 $ 217,283 20.6 % 18.8 % 78.6 % 79.7 % 83.8 % Service Revenue Software $ 6,518 $ 5,213 $ 4,373 25.0 % 19.2 % 1.6 % 1.6 % 1.7 % Cutbank credits 17,626 16,317 12,372 8.0 % 31.9 % 4.4 % 5.0 % 4.8 % Installation labor 58,477 42,828 24,253 36.5 % 76.6 % 14.8 % 13.2 % 9.4 % Training and other 2,266 1,461 982 55.1 % 48.8 % 0.6 % 0.5 % 0.3 % Total $ 84,887 $ 65,819 $ 41,980 29.0 % 56.8 % 21.4 % 20.3 % 16.2 % Total $ 396,293 $ 323,993 $ 259,263 22.3 % 25.0 % 100.0 % 100.0 % 100.0 % 33 Because many of our international customers require us to ship their orders to freight forwarders located in the United States, we cannot be certain about the ultimate destination of the product.
Although we believe the assumptions and estimates made were reasonable and appropriate, these estimates require judgment and are based in part on historical experience and information obtained from the management of the acquired entities. Inventory Valuation Inventories are stated at the lower of cost or net realizable value. Cost is determined on a weighted average cost basis.
Although we believe the assumptions and estimates made were reasonable and appropriate, these estimates require judgment and are based in part on historical experience and information obtained from the management of the acquired entities. 38 Inventory Valuation Inventories are stated at the lower of cost or net realizable value. Cost is determined on a weighted average cost basis.
We believe EBITDA provides helpful information with respect to our operating performance as viewed by management, including a view of our business that is 35 not dependent on (i) the impact of our capitalization structure and (ii) items that are not part of our day-to-day operations.
We believe EBITDA provides helpful information with respect to our operating performance as viewed by management, including a view of our business that is not dependent on (i) the impact of our capitalization structure and (ii) items that are not part of our day-to-day operations.
Recently Adopted Accounting Pronouncements and Accounting Pronouncements Not Yet Adopted Refer to Note 1 to the Consolidated Financial Statements for discussion of recently adopted accounting standards and accounting standards not yet adopted. 42 Related Party Relationships There are no family relationships between or among any of our directors or executive officers.
Recently Adopted Accounting Pronouncements and Accounting Pronouncements Not Yet Adopted Refer to Note 1 to the Consolidated Financial Statements for discussion of recently adopted accounting standards and accounting standards not yet adopted. Related Party Relationships There are no family relationships between or among any of our directors or executive officers.
Discussions of the periods prior to the year ended December 31, 2021 that are not included in this Annual Report on Form 10-K are found in "Management's Discussion and Analysis of Financial Condition and Results of Operations" in Part II, Item 7 of our Annual Report on Form 10-K for the year ended December 31, 2021 and the discussion therein for the year ended December 31, 2021 compared to the year ended December 31, 2020 is incorporated by reference into this Annual Report.
Discussions of the periods prior to the year ended December 31, 2022 that are not included in this Annual Report on Form 10-K are found in "Management's Discussion and Analysis of Financial Condition and Results of Operations" in Part II, Item 7 of our Annual Report on Form 10-K for the year ended December 31, 2022 and the discussion therein for the year ended December 31, 2022 compared to the year ended December 31, 2021 is incorporated by reference into this Annual Report.
EBITDA does not reflect the impact of certain cash charges resulting from matters we consider not to be indicative of ongoing operations; and other companies in our industry may calculate EBITDA differently than we do, limiting its usefulness as a comparative measure. 36 Results of Operations This section of this Annual Report on Form 10-K generally discusses the years ended December 31, 2022 and 2021 and year-over-year comparisons between those years.
EBITDA does not reflect the impact of certain cash charges resulting from matters we consider not to be indicative of ongoing operations; and other companies in our industry may calculate EBITDA differently than we do, limiting its usefulness as a comparative measure. 32 Results of Operations This section of this Annual Report on Form 10-K generally discusses the years ended December 31, 2023 and 2022 and year-over-year comparisons between those years.
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations Executive Summary Set forth below is summary financial information for the years ended December 31, 2022, 2021, and 2020.
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations Executive Summary Set forth below is summary financial information for the years ended December 31, 2023, 2022, and 2021.
Adjusted product revenue, which combines the cutbank credit revenue service component with product revenue, increased by 19.5% from the year ended December 31, 2021 due mainly to the same factors described previously. Cost of Sales Cost of sales consists of product costs and the costs to provide our services.
Adjusted product revenue, which combines the cutbank credit revenue service component with product revenue, increased by 19.9% from the year ended December 31, 2022 due mainly to the same factors described previously. Cost of Sales Cost of sales consists of product costs and the costs to provide our services.
The decrease in service gross margin percentage was primarily due to a higher percentage of lower margin installation labor revenue relative to other higher margin service revenue components. Operating Expenses Sales and marketing expenses for the year ended December 31, 2022 increased 38.8% compared to 2021.
The decrease in service gross margin percentage was primarily due to a higher percentage of lower margin installation labor revenue relative to other higher margin service revenue components. Operating Expenses Sales and marketing expenses for the year ended December 31, 2023 increased 25.3% compared to 2022.
This information is not necessarily indicative of results of future operations, and should be read in conjunction with Part I, Item 1A, “Risk Factors,” Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and the consolidated financial statements and accompanying notes thereto included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report to fully understand factors that may affect the comparability of the information presented below (dollars in thousands). 34 Year Ended December 31, % Change 2022 % of Total Revenue 2021 % of Total Revenue 2020 % of Total Revenue 2022 vs. 2021 2021 vs. 2020 Total revenue $ 323,993 100.0 % $ 259,263 100.0 % $ 158,924 100.0 % 25.0 % 63.1 % Total cost of sales 196,481 60.6 % 166,586 64.3 % 104,899 66.0 % 17.9 % 58.8 % Gross margin 127,512 39.4 % 92,677 35.7 % 54,025 34.0 % 37.6 % 71.5 % Total operating expenses 73,575 22.7 % 52,561 20.3 % 30,655 19.3 % 40.0 % 71.5 % Operating income 53,937 16.6 % 40,116 15.5 % 23,370 14.7 % 34.5 % 71.7 % Other expenses 1,972 0.6 % 676 0.3 % 565 0.4 % 191.7 % 19.5 % Income tax 10,584 3.3 % 7,873 3.0 % 4,523 2.8 % 34.4 % 74.1 % Net income $ 41,381 12.8 % $ 31,567 12.2 % $ 18,282 11.5 % 31.1 % 72.7 % Company Overview The Company is a leading provider of protective films and coatings, including automotive paint protection film, surface protection film, automotive and commercial/residential window films, and ceramic coatings with a global footprint, a network of trained installers and proprietary DAP software.
This information is not necessarily indicative of results of future operations, and should be read in conjunction with Part I, Item 1A, “Risk Factors,” Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and the consolidated financial statements and accompanying notes thereto included in Part II, Item 8, “Financial Statements and Supplementary Data” of this Annual Report to fully understand factors that may affect the comparability of the information presented below (dollars in thousands). 30 Year Ended December 31, % Change 2023 % of Total Revenue 2022 % of Total Revenue 2021 % of Total Revenue 2023 vs. 2022 2022 vs. 2021 Total Revenue $ 396,293 100.0 % $ 323,993 100.0 % $ 259,263 100.0 % 22.3 % 25.0 % Total Cost of Sales 233,879 59.0 % 196,481 60.6 % 166,586 64.3 % 19.0 % 17.9 % Gross Margin 162,414 41.0 % 127,512 39.4 % 92,677 35.7 % 27.4 % 37.6 % Total Operating Expenses 95,442 24.1 % 73,575 22.7 % 52,561 20.3 % 29.7 % 40.0 % Operating Income 66,972 16.9 % 53,937 16.6 % 40,116 15.5 % 24.2 % 34.5 % Other Expenses 941 0.2 % 1,972 0.6 % 676 0.3 % (52.3) % 191.7 % Income Tax 13,231 3.3 % 10,584 3.3 % 7,873 3.0 % 25.0 % 34.4 % Net Income $ 52,800 13.3 % $ 41,381 12.8 % $ 31,567 12.2 % 27.6 % 31.1 % Company Overview The Company is a leading provider of protective films and coatings, including automotive paint protection film, surface protection film, automotive and commercial/residential window films, and ceramic coatings with a global footprint, a network of trained installers and proprietary DAP software.
The U.S. and Canadian markets are our most mature markets. Our continued strong growth in these markets was being driven primarily by increased paint protection film attachment rates. Outside of these more mature markets, our continued strong growth was driven by increased product awareness and adoption.
Geographically, we experienced growth in many regions during the year. The U.S. and Canadian markets are our most mature markets. Our continued strong growth in these markets was being driven primarily by increased paint protection film attachment rates. Outside of these more mature markets, our continued strong growth was driven by increased product awareness and adoption. Service revenue.
During 2022, service revenue grew 56.8% over service revenue for the year ended December 31, 2021. Within the service revenue category, software revenue increased 19.2% from the year ended December 31, 2021. This increase was due primarily to increases in customers subscribing to our software. Cutbank credit revenue grew 31.9% from the year ended December 31, 2021.
During 2023, service revenue grew 29.0% over service revenue for the year ended December 31, 2022. Within the service revenue category, software revenue increased 25.0% from the year ended December 31, 2022. This increase was due primarily to increases in customers subscribing to our software. Cutbank credit revenue grew 8.0% from the year ended December 31, 2022.
The following table is a reconciliation of Net income to EBITDA for the years ended December 31, 2022, 2021, and 2020 (dollars in thousands): 2022 % of Total Revenue 2021 % of Total Revenue 2020 % of Total Revenue Net Income $ 41,381 12.8 % $ 31,567 12.2 % $ 18,282 11.5 % Interest 1,410 0.4 % 303 0.1 % 249 0.2 % Taxes 10,584 3.3 % 7,873 3.0 % 4,523 2.8 % Depreciation 3,433 1.1 % 1,887 0.7 % 1,274 0.8 % Amortization 4,401 1.4 % 2,501 1.0 % 956 0.6 % EBITDA $ 61,209 18.9 % $ 44,131 17.0 % $ 25,284 15.9 % Use of Non-GAAP Financial Measures EBITDA should be considered in addition to, not as a substitute for, or superior to, financial measures calculated in accordance with GAAP.
The following table is a reconciliation of Net Income to EBITDA for the years ended December 31, 2023, 2022, and 2021 (dollars in thousands): 2023 % of Total Revenue 2022 % of Total Revenue 2021 % of Total Revenue Net Income $ 52,800 13.3 % $ 41,381 12.8 % $ 31,567 12.2 % Interest 1,248 0.3 % 1,410 0.4 % 303 0.1 % Taxes 13,231 3.3 % 10,584 3.3 % 7,873 3.0 % Depreciation 4,534 1.1 % 3,433 1.1 % 1,887 0.7 % Amortization 5,059 1.3 % 4,401 1.4 % 2,501 1.0 % EBITDA $ 76,872 19.4 % $ 61,209 18.9 % $ 44,131 17.0 % 31 Use of Non-GAAP Financial Measures EBITDA should be considered in addition to, not as a substitute for, or superior to, financial measures calculated in accordance with GAAP.
Cash flows used in investing activities totaled approximately $14.2 million during the year ended December 31, 2022 compared to cash use of $56.8 million the year ended December 31, 2021. This decrease in cash used was due mainly to less cash outlay for acquisitions in 2022. Financing activities.
Cash flows used in investing activities totaled approximately $26.4 million during the year ended December 31, 2023 compared to cash use of $14.2 million for the year ended December 31, 2022. This increase in cash used was due mainly to additional cash outlay for acquisitions in 2023. Financing activities.
Critical Accounting Estimates We have adopted various accounting policies to prepare the consolidated financial statements in accordance with U.S. GAAP. Certain of our accounting policies require the application of significant judgment by management in selecting the appropriate assumptions for calculating financial estimates.
As of December 31, 2023 and December 31, 2022, no balance was outstanding on this facility. Critical Accounting Estimates We have adopted various accounting policies to prepare the consolidated financial statements in accordance with U.S. GAAP. Certain of our accounting policies require the application of significant judgment by management in selecting the appropriate assumptions for calculating financial estimates.
Gross Margin The following table summarizes gross margin for product and services for the years ended December 31, 2022, 2021 and 2020 (dollars in thousands): Year Ended December 31, % Change % of Category Revenue 2022 2021 2020 2022 vs. 2021 2021 vs. 2020 2022 2021 2020 Product $ 88,269 $ 65,997 $ 37,760 33.7 % 74.8 % 34.2 % 30.4 % 26.7 % Service 39,243 26,680 16,265 47.1 % 64.0 % 59.6 % 63.6 % 71.8 % Total $ 127,512 $ 92,677 $ 54,025 37.6 % 71.5 % 39.4 % 35.7 % 34.0 % Product gross margin for the year ended December 31, 2022 increased approximately $22.3 million, or 33.7%, over the year ended December 31, 2021 and represented 34.2% and 30.4% of total product revenue for the years ended December 31, 2022 and 2021, respectively.
Gross Margin The following table summarizes gross margin for product and services for the years ended December 31, 2023, 2022 and 2021 (dollars in thousands): Year Ended December 31, % Change % of Category Revenue 2023 2022 2021 2023 vs. 2022 2022 vs. 2021 2023 2022 2021 Product $ 113,398 $ 88,269 $ 65,997 28.5 % 33.7 % 36.4 % 34.2 % 30.4 % Service 49,016 39,243 26,680 24.9 % 47.1 % 57.7 % 59.6 % 63.6 % Total $ 162,414 $ 127,512 $ 92,677 27.4 % 37.6 % 41.0 % 39.4 % 35.7 % Product gross margin for the year ended December 31, 2023 increased approximately $25.1 million, or 28.5%, over the year ended December 31, 2022 and represented 36.4% and 34.2% of total product revenue for the years ended December 31, 2023 and 2022, respectively.
Cash flows provided by financing activities during the year ended December 31, 2022 totaled approximately $0.6 million compared $19.2 million in the prior year. This decrease was due primarily to less incremental borrowing on our committed credit facilities.
Cash flows used in financing activities during the year ended December 31, 2023 totaled approximately $7.3 million compared to cash provided by financing activities of $0.6 million in the prior year. This use of cash was due primarily to net repayments on our credit facilities.
The following table represents our estimate of sales by geographic regions based on our understanding of ultimate product destination based on customer interactions, customer locations and other factors for the years ended December 31, 2022 and 2021 (dollars in thousands): Year Ended December 31, % % of Total Revenue 2022 2021 Increase 2022 2021 United States $ 189,890 $ 133,457 42.3 % 58.6 % 51.5 % China 33,993 46,305 (26.6) % 10.5 % 17.9 % Canada 38,997 30,540 27.7 % 12.0 % 11.8 % Continental Europe 24,713 19,605 26.1 % 7.6 % 7.6 % Middle East/Africa 10,499 9,736 7.8 % 3.2 % 3.8 % United Kingdom 10,298 7,714 33.5 % 3.2 % 3.0 % Asia Pacific 9,026 7,706 17.1 % 2.8 % 2.9 % Latin America 5,411 3,788 42.8 % 1.7 % 1.4 % Other 1,166 412 183.0 % 0.4 % 0.1 % Total $ 323,993 $ 259,263 25.0 % 100.0 % 100.0 % Revenue Product Revenue.
The following table represents our estimate of sales by geographic regions based on our understanding of ultimate product destination based on customer interactions, customer locations and other factors for the years ended December 31, 2023 and 2022 (dollars in thousands): Year Ended December 31, % % of Total Revenue 2023 2022 Increase 2023 2022 United States $ 224,839 $ 189,890 18.4 % 56.7 % 58.6 % Canada 43,506 38,997 11.6 % 11.0 % 12.0 % China 41,576 33,993 22.3 % 10.5 % 10.5 % Continental Europe 34,883 24,713 41.2 % 8.8 % 7.6 % Middle East/Africa 16,472 10,499 56.9 % 4.2 % 3.2 % United Kingdom 13,438 10,298 30.5 % 3.4 % 3.2 % Asia Pacific 11,943 9,026 32.3 % 3.0 % 2.8 % Latin America 8,737 5,411 61.5 % 2.2 % 1.7 % Other 899 1,166 (22.9) % 0.2 % 0.4 % Total $ 396,293 $ 323,993 22.3 % 100.0 % 100.0 % Revenue Product Revenue.
Net Income Net income for the year ended December 31, 2022 increased by 31.1% to $41.4 million compared to the prior year due primarily to continued strong revenue growth and improved margins. 40 Liquidity and Capital Resources The primary source of liquidity for our business is cash and cash equivalents and cash flows provided by operations.
Net Income Net income for the year ended December 31, 2023 increased by 27.6% to $52.8 million compared to the prior year due primarily to continued strong revenue growth and improved margins. 36 Liquidity and Capital Resources The primary sources of liquidity for our business are available cash and cash equivalents, cash flows provided by operations, and borrowings under our credit facilities.
Product revenue increased 18.8% during the year ended December 31, 2022 as compared to 2021 and represented 79.7% of our consolidated 2022 revenue. Within this category, revenue from our paint protection film product line increased 13.2% as compared to the prior year and represented 59.4% of total revenue for the year ended December 31, 2022.
Product revenue increased 20.6% during the year ended December 31, 2023 as compared to 2022 and represented 78.6% of our consolidated 2023 revenue. Within this category, revenue from our paint protection film product line increased 19.5% as compared to the prior year and represented 58.0% of total consolidated revenue for the year ended December 31, 2023.
Product costs in the year ended December 31, 2022 increased 12.3% over the year ended December 31, 2021 commensurate with the growth in product revenue. Cost of service revenue grew 73.7% during the year ended December 31, 2022. The increase was due primarily to increased labor costs associated with our dealership services businesses acquired in 2021.
Product costs in the year ended December 31, 2023 increased 16.5% over the year ended December 31, 2022 commensurate with the growth in product revenue. Cost of service revenue grew 35.0% during the year ended December 31, 2023. The increase was due primarily to increased labor costs associated with our expanding installation business.
Debt obligations, including balances outstanding on committed credit facilities, as of December 31, 2022 and December 31, 2021 totaled approximately $26.1 million and $25.5 million, respectively.
Debt obligations, including balances outstanding on committed credit facilities and contingent liabilities, as of December 31, 2023 and December 31, 2022 totaled approximately $19.9 million and $27.0 million, respectively.
This facility is utilized to fund our working capital needs in Canada. This facility bears interest at HSBC Canada Bank’s prime rate plus 0.25% per annum and is guaranteed by the parent company. As of December 31, 2022 and December 31, 2021, no balance was outstanding on this facility.
XPEL Canada Corp., a wholly-owned subsidiary of XPEL, Inc., also has a CAD $4.5 million revolving credit facility through HSBC Bank Canada. This facility is utilized to fund our working capital needs in Canada. This facility bears interest at HSBC Canada Bank’s prime rate plus 0.25% per annum and is guaranteed by the parent company.
General and administrative expenses grew approximately $13.9 million, or 40.6%, during the year ended December 31, 2022. These costs represented 14.9% and 13.2% of total consolidated revenue for the years ended December 31, 2022 and 2021, respectively.
These costs represented 16.1% and 14.9% of total consolidated revenue for the years ended December 31, 2023 and 2022, respectively.
Total installation revenue (labor and product combined) at our Company-owned installation centers for the year ended December 31, 2022 increased 76.6% over the year ended December 31, 2021. Same store sales growth was approximately 40.5% from the year ended December 31, 2022.
Training revenue increased 55.1% from the year ended December 31, 2022 as we continue to grow our global training presence. Total installation revenue (labor and product combined) at our Company-owned installation centers for the year ended December 31, 2023 increased 36.5% over the year ended December 31, 2022.
We believe we have the ability and sufficient resources to meet these cash requirements by using available cash, internally generated funds and borrowing under committed credit facilities. We are focused on continuing to generate positive operating cash to fund our operational and capital investment initiatives.
We expect to continue to have sufficient access to cash to support working capital needs, capital expenditures (including acquisitions), and to pay interest and service debt. We believe we have the ability and sufficient resources to meet these cash requirements by using available cash, internally generated funds and borrowing under committed credit facilities.
The decrease in operating cash flows for the year ended December 31, 2022 was driven primarily by changes in working capital and increased inventory purchases to offset supply chain risk. This decrease was partially offset by an increase in operating earnings. Investing activities .
Cash flows provided by operations totaled approximately $37.4 million for the year ended December 31, 2023, compared to $12.1 million for the year ended December 31, 2022. The increase in operating cash flows for the year ended December 31, 2023 was driven primarily by an increase in operating earnings and a reduction in inventory purchases. Investing activities .
This increase was due to continued channel focus, increased product adoption in multiple regions and increased demand. Architectural window film revenue increased 98.2% to $5.7 million. This increase was due mainly to increased product awareness and adoption in most of our regions. Geographically, we experienced growth in many regions during the year.
This product line includes both automotive and architectural window film. Automotive window film grew 20.2% to $58.5 million for the year ended December 31, 2023. This increase was due to continued channel focus, increased product adoption in multiple regions and increased demand. Architectural window film revenue increased 65.9% to $9.5 million.
Service gross margin increased approximately $12.6 million for the year ended December 31, 2022, and represented 59.6% and 63.6% of total service revenue for the years ended December 31, 2022 and 2021, respectively.
The increase in product gross margin percentages was primarily due to decreases in product costs, favorable changes in product mix and improved operating leverage. Service gross margin increased approximately $9.8 million for the year ended December 31, 2023, and represented 57.7% and 59.6% of total service revenue for the years ended December 31, 2023 and 2022, respectively.
We believe we have sufficient liquidity to operate for at least the next 12 months from the date of filing this Annual Report. Operating activities . Cash flows provided by operations totaled approximately $12.1 million for the year ended December 31, 2022, compared to $18.3 million for the year ended December 31, 2021.
We are focused on continuing to generate positive operating cash to fund our operational and capital investment initiatives. We believe we have sufficient liquidity to operate for at least the next 12 months from the date of filing this Annual Report. Operating activities .
These expenses represented 7.8% and 7.0% of consolidated revenue for the years ended December 31, 2022 and 2021, respectively. This increase was due mainly to increased personnel, increased expenses related to marketing events that were suspended in 2021 due to COVID-19 and travel related expenses to support the on-going growth of the business.
These expenses represented 8.0% and 7.8% of consolidated revenue for the years ended December 31, 2023 and 2022, respectively. This increase was due mainly to increased personnel, and additional marketing projects intended to increase awareness of our brand globally. General and administrative expenses grew approximately $15.4 million, or 32.0%, during the year ended December 31, 2023.
This growth was due mainly to increases in demand for our film products across multiple regions partially offset by a decrease in sales to China resulting from regional impacts of the COVID-19 pandemic. The increase in demand in non-China regions was driven by both an increase in the number of customers and increased revenue from our existing customers.
This growth was due mainly to increases in demand for our film products across multiple regions. This increase was driven by both new customer additions and revenue growth in existing customers. Revenue from our window film product line grew 25.0% in the year ended December 31, 2023 and represented 17.1% of our consolidated annual 2023 revenue.
The Company is dedicated to exceeding customer expectations by providing high-quality products, leading customer service, expert technical support and world-class training. Trends and Uncertainties Macroeconomic uncertainties persist in the U.S. and other parts of the world as inflation, rising interest rates and the strengthening of the U.S.
The Company is dedicated to exceeding customer expectations by providing high-quality products, leading customer service, expert technical support and world-class training. Key Business Metric - Non-GAAP Financial Measures Our management regularly monitors certain financial measures to track the progress of our business against internal goals and targets.
This increase was due primarily to the aforementioned increases in demand for our products and services.
This increase was due primarily to the 34 aforementioned increases in demand for our products and services. Installation labor revenue increased 36.5% from the year ended December 31, 2022, due mainly to strong demand across our dealership service and OEM businesses and at our Company-owned installation facilities.
Income Tax Expense Our provision for income taxes increased 34.4% to $10.6 million in the year ended December 31, 2022 as compared to the year ended December 31, 2021, primarily due to the increase in our pre-tax income year over year. Our effective income tax rates for the years ended December 31, 2022 and 2021 were 20.4% and 20.0%, respectively.
The increase was due mainly to increases in personnel, occupancy costs, information technology costs, research and development costs and professional fees to support the ongoing growth of the business. 35 Income Tax Expense Our provision for income taxes was $13.2 million in the year ended December 31, 2023 as compared to $10.6 million in the year ended December 31, 2022.
The increase in our effective rate was primarily due to the impact of international operations. See Note 14 of the Notes to our Consolidated Financial Statements for further information.
Our effective income tax rates for the years ended December 31, 2023 and 2022 were 20.0% and 20.4%, respectively. See Note 14 of the Notes to our Consolidated Financial Statements for further information.
Revenue from our window film product line grew 41.7% in the year ended December 31, 2022 and represented 16.8% of our consolidated annual 2022 revenue. This product line contains both automotive and architectural window film. Automotive window film grew 37.1% to $48.7 million for the year ended December 31, 2022.
This increase was due mainly to increased product awareness and adoption in most of our regions. Other product revenue for the year ended December 31, 2023 grew 18.8% to $13.6 million and represented 3.5% of total consolidated revenue.
As of December 31, 2022, we had cash and cash equivalents of $8.1 million. For the year ended December 31, 2022, cash flows provided by operations were $12.1 million. We expect to continue to have sufficient access to cash to support working capital needs, capital expenditures (including acquisitions), and to pay interest and service debt.
As of December 31, 2023, we had cash and cash equivalents of $11.6 million, for the year ended December 31, 2023, cash flows provided by operations were $37.4 million, and as of December 31, 2023 we had approximately $109.4 million in funds available under our credit facilities.