Percentage of the population reporting 'German' ancestry (%):
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28.2% | 30.6% | 33.0% | 35.3% | 37.7% | 40.1% |
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Percentage of the population reporting 'American' ancestry (%):
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17.9% | 20.9% | 23.8% | 26.7% | 29.7% | 32.7% |
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Percentage of the population reporting 'Scottish' ancestry (%):
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Percentage of the population reporting 'Irish' ancestry (%):
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0.6% | 4.1% | 7.5% | 11.0% | 14.4% | 17.9% |
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Percentage of the population reporting 'English' ancestry (%):
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2.50% | 2.56% | 2.62% | 2.68% | 2.73% | 2.79% |
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Percentage of the population reporting 'French' ancestry (%):
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Percentage of the population reporting 'Scotch-Irish' ancestry (%):
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0.717% | 0.762% | 0.806% | 0.851% | 0.896% | 0.941% |
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Percentage of the population reporting 'Bulgarian' ancestry (%):
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0.00% | 0.28% | 0.56% | 0.85% | 1.13% | 1.42% |
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