Percentage of the population reporting 'German' ancestry (%):
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16.6% | 19.8% | 22.9% | 26.0% | 29.1% | 32.3% |
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Percentage of the population reporting 'English' ancestry (%):
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9.6% | 11.6% | 13.4% | 15.3% | 17.2% | 19.1% |
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Percentage of the population reporting 'Irish' ancestry (%):
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3.3% | 5.4% | 7.5% | 9.6% | 11.7% | 13.8% |
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Percentage of the population reporting 'American' ancestry (%):
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Percentage of the population reporting 'Italian' ancestry (%):
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Percentage of the population reporting 'Polish' ancestry (%):
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2.12% | 2.49% | 2.85% | 3.21% | 3.58% | 3.95% |
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Percentage of the population reporting 'Scottish' ancestry (%):
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Percentage of the population reporting 'Swedish' ancestry (%):
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Percentage of the population reporting 'Czech' ancestry (%):
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0.00% | 0.48% | 0.96% | 1.44% | 1.91% | 2.40% |
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Percentage of the population reporting 'Norwegian' ancestry (%):
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Percentage of the population reporting 'Scotch-Irish' ancestry (%):
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1.82% | 1.95% | 2.07% | 2.19% | 2.31% | 2.43% |
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Percentage of the population reporting 'French' ancestry (%):
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3.0% | 5.7% | 8.4% | 11.1% | 13.7% | 16.4% |
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Percentage of the population reporting 'European' ancestry (%):
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Percentage of the population reporting 'Ukrainian' ancestry (%):
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0.00% | 0.27% | 0.53% | 0.80% | 1.07% | 1.34% |
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Percentage of the population reporting 'Czechoslovakian' ancestry (%):
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0.00% | 0.25% | 0.51% | 0.76% | 1.01% | 1.27% |
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Percentage of the population reporting ' Mexican' ancestry (%):
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Percentage of the population reporting ' Spanish' ancestry (%):
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Percentage of the population reporting ' Spaniard' ancestry (%):
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0.00% | 0.18% | 0.37% | 0.55% | 0.73% | 0.92% |
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