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Percentage of the population reporting 'German' ancestry (%):
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| 16.6% | 19.5% | 22.3% | 25.1% | 27.9% | 30.8% |
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Percentage of the population reporting 'Irish' ancestry (%):
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| 10.9% | 13.1% | 15.2% | 17.4% | 19.5% | 21.7% |
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Percentage of the population reporting 'English' ancestry (%):
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| 8.3% | 9.9% | 11.3% | 12.8% | 14.3% | 15.8% |
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Percentage of the population reporting 'Italian' ancestry (%):
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Percentage of the population reporting 'American' ancestry (%):
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Percentage of the population reporting 'French' ancestry (%):
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Percentage of the population reporting 'Swedish' ancestry (%):
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Percentage of the population reporting 'Norwegian' ancestry (%):
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Percentage of the population reporting 'Scottish' ancestry (%):
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Percentage of the population reporting 'European' ancestry (%):
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Percentage of the population reporting 'Polish' ancestry (%):
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Percentage of the population reporting 'Dutch' ancestry (%):
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Percentage of the population reporting 'Danish' ancestry (%):
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| 0.61% | 0.90% | 1.18% | 1.46% | 1.74% | 2.03% |
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Percentage of the population reporting 'Scotch-Irish' ancestry (%):
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| 0.35% | 0.66% | 0.97% | 1.28% | 1.58% | 1.89% |
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Percentage of the population reporting 'French Canadian' ancestry (%):
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Percentage of the population reporting ' Mexican' ancestry (%):
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| 4.0% | 6.3% | 8.6% | 10.9% | 13.2% | 15.5% |
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Percentage of the population reporting ' Spanish' ancestry (%):
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Percentage of the population reporting ' Puerto Rican' ancestry (%):
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Percentage of the population reporting ' Spaniard' ancestry (%):
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| 0.25% | 0.45% | 0.65% | 0.85% | 1.05% | 1.26% |
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Percentage of the population reporting ' South American' ancestry (%):
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| 0.00% | 0.24% | 0.48% | 0.73% | 0.97% | 1.21% |
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Percentage of the population reporting 'Cambodian' ancestry (%):
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Percentage of the population reporting 'Vietnamese' ancestry (%):
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Percentage of the population reporting 'Chinese' ancestry (%):
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| 0.00% | 0.25% | 0.49% | 0.74% | 0.98% | 1.23% |
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Percentage of the population reporting 'Japanese' ancestry (%):
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| 0.00% | 0.22% | 0.44% | 0.66% | 0.88% | 1.10% |
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Percentage of the population reporting 'Korean' ancestry (%):
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| 0.00% | 0.28% | 0.56% | 0.84% | 1.12% | 1.41% |
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