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Percentage of the population reporting 'German' ancestry (%):
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| 19.95% | 20.26% | 20.57% | 20.88% | 21.18% | 21.49% |
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Percentage of the population reporting 'English' ancestry (%):
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| 11.18% | 11.35% | 11.51% | 11.66% | 11.82% | 11.99% |
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Percentage of the population reporting 'Irish' ancestry (%):
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| 8.7% | 9.6% | 10.5% | 11.4% | 12.3% | 13.2% |
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Percentage of the population reporting 'Italian' ancestry (%):
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| 6.58% | 6.76% | 6.94% | 7.12% | 7.29% | 7.48% |
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Percentage of the population reporting 'Scottish' ancestry (%):
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| 3.75% | 4.06% | 4.37% | 4.68% | 4.99% | 5.30% |
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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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| 1.97% | 2.18% | 2.39% | 2.59% | 2.79% | 3.00% |
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Percentage of the population reporting 'Norwegian' ancestry (%):
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Percentage of the population reporting 'Dutch' ancestry (%):
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| 1.81% | 2.20% | 2.58% | 2.96% | 3.35% | 3.73% |
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Percentage of the population reporting 'Welsh' ancestry (%):
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Percentage of the population reporting 'Czech' ancestry (%):
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Percentage of the population reporting 'Swedish' ancestry (%):
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| 1.49% | 1.62% | 1.75% | 1.87% | 2.00% | 2.13% |
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Percentage of the population reporting 'Polish' ancestry (%):
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| 0.87% | 1.34% | 1.81% | 2.29% | 2.76% | 3.24% |
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Percentage of the population reporting 'Hungarian' ancestry (%):
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| 0.00% | 0.36% | 0.73% | 1.09% | 1.45% | 1.82% |
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Percentage of the population reporting 'Scotch-Irish' ancestry (%):
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| 0.00% | 0.40% | 0.79% | 1.19% | 1.58% | 1.98% |
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Percentage of the population reporting ' Mexican' ancestry (%):
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| 5.69% | 5.89% | 6.09% | 6.29% | 6.49% | 6.69% |
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Percentage of the population reporting ' South American' ancestry (%):
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| 0.00% | 0.22% | 0.45% | 0.67% | 0.89% | 1.12% |
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Percentage of the population reporting ' Central American' ancestry (%):
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| 0.417% | 0.439% | 0.461% | 0.482% | 0.504% | 0.526% |
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Percentage of the population reporting ' Bolivian' ancestry (%):
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| 0.00% | 0.13% | 0.25% | 0.38% | 0.50% | 0.63% |
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Percentage of the population reporting ' Peruvian' ancestry (%):
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| 0.00% | 0.10% | 0.20% | 0.29% | 0.39% | 0.49% |
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Percentage of the population reporting 'Indian' ancestry (%):
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| 5.0% | 6.0% | 7.0% | 8.0% | 9.0% | 10.0% |
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Percentage of the population reporting 'Korean' ancestry (%):
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Percentage of the population reporting 'Chinese' ancestry (%):
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| 1.29% | 1.36% | 1.43% | 1.50% | 1.57% | 1.64% |
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Percentage of the population reporting 'Japanese' ancestry (%):
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| 0.00% | 0.21% | 0.42% | 0.63% | 0.84% | 1.06% |
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Percentage of the population reporting 'Filipino' ancestry (%):
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| 0.72% | 0.93% | 1.13% | 1.34% | 1.54% | 1.75% |
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