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Income Taxes
3 Months Ended
Mar. 31, 2025
Income Taxes  
Income Taxes

Note 9.  Income Taxes

Our effective income tax rates for the first quarters of 2025 and 2024 were 23.6% and 23.3%, respectively. The differences between our effective income tax rates and the U.S. federal statutory rate of 21.0% were mainly due to state income taxes.