Percentage of the population reporting 'German' ancestry (%):
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18.42% | 18.67% | 18.91% | 19.15% | 19.39% | 19.64% |
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Percentage of the population reporting 'English' ancestry (%):
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13.65% | 14.11% | 14.56% | 15.00% | 15.45% | 15.91% |
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Percentage of the population reporting 'American' ancestry (%):
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17.00% | 17.35% | 17.70% | 18.05% | 18.41% | 18.76% |
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Percentage of the population reporting 'Scotch-Irish' ancestry (%):
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Percentage of the population reporting 'Norwegian' ancestry (%):
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0.00% | 0.45% | 0.89% | 1.34% | 1.78% | 2.24% |
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Percentage of the population reporting 'European' ancestry (%):
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2.153% | 2.201% | 2.249% | 2.297% | 2.344% | 2.392% |
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Percentage of the population reporting 'French Canadian' ancestry (%):
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0.00% | 0.10% | 0.21% | 0.31% | 0.41% | 0.52% |
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Percentage of the population reporting 'Irish' ancestry (%):
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7.7% | 9.5% | 11.2% | 12.9% | 14.6% | 16.3% |
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Percentage of the population reporting 'French' ancestry (%):
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2.06% | 2.24% | 2.41% | 2.58% | 2.75% | 2.92% |
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Percentage of the population reporting 'Polish' ancestry (%):
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1.14% | 1.60% | 2.06% | 2.52% | 2.98% | 3.45% |
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Percentage of the population reporting 'Welsh' ancestry (%):
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0.190% | 0.233% | 0.276% | 0.319% | 0.361% | 0.405% |
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Percentage of the population reporting 'Austrian' ancestry (%):
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0.242% | 0.254% | 0.265% | 0.277% | 0.288% | 0.300% |
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Percentage of the population reporting 'Ukrainian' ancestry (%):
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0.00% | 0.10% | 0.21% | 0.31% | 0.41% | 0.52% |
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Percentage of the population reporting 'Scottish' ancestry (%):
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2.35% | 2.57% | 2.78% | 2.99% | 3.20% | 3.41% |
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Percentage of the population reporting 'Slovene' ancestry (%):
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0.000% | 0.042% | 0.084% | 0.126% | 0.168% | 0.211% |
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Percentage of the population reporting ' Central American' ancestry (%):
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0.00% | 0.09% | 0.19% | 0.28% | 0.37% | 0.47% |
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Percentage of the population reporting ' Costa Rican' ancestry (%):
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0.00% | 0.09% | 0.19% | 0.28% | 0.37% | 0.47% |
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Percentage of the population reporting ' Mexican' ancestry (%):
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0.00% | 0.16% | 0.33% | 0.49% | 0.65% | 0.82% |
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Percentage of the population reporting ' Puerto Rican' ancestry (%):
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0.00% | 0.05% | 0.11% | 0.16% | 0.22% | 0.28% |
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