Percentage of the population reporting 'German' ancestry (%):
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18.57% | 18.63% | 18.68% | 18.74% | 18.79% | 18.85% |
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Percentage of the population reporting 'Irish' ancestry (%):
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12.33% | 12.83% | 13.33% | 13.83% | 14.32% | 14.83% |
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Percentage of the population reporting 'English' ancestry (%):
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10.1% | 10.8% | 11.4% | 12.0% | 12.7% | 13.4% |
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Percentage of the population reporting 'Italian' ancestry (%):
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4.18% | 4.58% | 4.97% | 5.37% | 5.76% | 6.16% |
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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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3.88% | 4.11% | 4.33% | 4.56% | 4.78% | 5.01% |
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Percentage of the population reporting 'Polish' ancestry (%):
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2.68% | 2.92% | 3.15% | 3.39% | 3.62% | 3.86% |
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Percentage of the population reporting 'Dutch' ancestry (%):
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1.24% | 1.73% | 2.22% | 2.71% | 3.19% | 3.68% |
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Percentage of the population reporting 'French Canadian' ancestry (%):
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0.76% | 0.89% | 1.01% | 1.13% | 1.25% | 1.38% |
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Percentage of the population reporting 'Scottish' ancestry (%):
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1.67% | 1.77% | 1.86% | 1.95% | 2.04% | 2.13% |
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Percentage of the population reporting 'Lithuanian' ancestry (%):
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0.13% | 0.25% | 0.37% | 0.48% | 0.60% | 0.71% |
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Percentage of the population reporting 'Russian' ancestry (%):
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0.22% | 0.36% | 0.49% | 0.61% | 0.74% | 0.88% |
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Percentage of the population reporting 'Scotch-Irish' ancestry (%):
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1.93% | 2.00% | 2.06% | 2.13% | 2.19% | 2.25% |
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Percentage of the population reporting 'Norwegian' ancestry (%):
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0.61% | 0.68% | 0.74% | 0.81% | 0.88% | 0.95% |
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Percentage of the population reporting 'Swiss' ancestry (%):
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0.523% | 0.546% | 0.569% | 0.593% | 0.616% | 0.639% |
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Percentage of the population reporting ' Mexican' ancestry (%):
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0.66% | 1.15% | 1.63% | 2.12% | 2.60% | 3.09% |
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Percentage of the population reporting ' Puerto Rican' ancestry (%):
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0.94% | 1.09% | 1.23% | 1.38% | 1.52% | 1.67% |
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Percentage of the population reporting ' Central American' ancestry (%):
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0.12% | 0.19% | 0.26% | 0.33% | 0.40% | 0.48% |
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Percentage of the population reporting ' Salvadoran' ancestry (%):
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0.00% | 0.10% | 0.19% | 0.29% | 0.38% | 0.48% |
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Percentage of the population reporting ' Cuban' ancestry (%):
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0.397% | 0.416% | 0.434% | 0.452% | 0.470% | 0.489% |
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Percentage of the population reporting 'German' ancestry (%):
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15.3% | 16.7% | 18.1% | 19.5% | 20.9% | 22.4% |
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Percentage of the population reporting 'Irish' ancestry (%):
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11.3% | 12.4% | 13.4% | 14.4% | 15.4% | 16.5% |
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Percentage of the population reporting 'English' ancestry (%):
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9.6% | 10.9% | 12.3% | 13.6% | 14.9% | 16.3% |
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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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5.2% | 6.2% | 7.2% | 8.3% | 9.3% | 10.3% |
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Percentage of the population reporting 'French' ancestry (%):
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3.61% | 3.98% | 4.35% | 4.72% | 5.09% | 5.47% |
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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 'French Canadian' ancestry (%):
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0.12% | 0.57% | 1.01% | 1.46% | 1.90% | 2.35% |
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Percentage of the population reporting 'Scottish' ancestry (%):
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1.48% | 1.68% | 1.89% | 2.09% | 2.29% | 2.50% |
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Percentage of the population reporting 'Lithuanian' ancestry (%):
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0.00% | 0.31% | 0.61% | 0.92% | 1.23% | 1.54% |
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Percentage of the population reporting 'Russian' ancestry (%):
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0.09% | 0.29% | 0.49% | 0.69% | 0.89% | 1.09% |
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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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0.12% | 0.34% | 0.55% | 0.76% | 0.98% | 1.19% |
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Percentage of the population reporting 'Swiss' ancestry (%):
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0.43% | 0.52% | 0.61% | 0.70% | 0.79% | 0.88% |
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Percentage of the population reporting ' Mexican' ancestry (%):
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Percentage of the population reporting ' Puerto Rican' ancestry (%):
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Percentage of the population reporting ' Central American' ancestry (%):
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0.00% | 0.21% | 0.41% | 0.62% | 0.82% | 1.03% |
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Percentage of the population reporting ' Salvadoran' ancestry (%):
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0.00% | 0.21% | 0.41% | 0.62% | 0.82% | 1.03% |
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Percentage of the population reporting ' Cuban' ancestry (%):
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0.27% | 0.35% | 0.42% | 0.49% | 0.57% | 0.64% |
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