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Percentage of the population reporting 'American' ancestry (%):
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| 20.6% | 22.9% | 25.2% | 27.6% | 29.9% | 32.2% |
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Percentage of the population reporting 'Irish' ancestry (%):
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| 11.80% | 11.99% | 12.19% | 12.38% | 12.57% | 12.77% |
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Percentage of the population reporting 'German' ancestry (%):
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| 4.7% | 5.9% | 7.2% | 8.4% | 9.6% | 10.9% |
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Percentage of the population reporting 'English' ancestry (%):
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| 7.27% | 7.62% | 7.97% | 8.32% | 8.67% | 9.03% |
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Percentage of the population reporting 'Dutch' ancestry (%):
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Percentage of the population reporting 'French' ancestry (%):
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| 0.44% | 0.80% | 1.17% | 1.53% | 1.89% | 2.26% |
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Percentage of the population reporting 'Italian' ancestry (%):
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| 0.71% | 0.92% | 1.12% | 1.33% | 1.54% | 1.75% |
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Percentage of the population reporting 'Scotch-Irish' ancestry (%):
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| 0.96% | 1.12% | 1.29% | 1.45% | 1.62% | 1.79% |
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Percentage of the population reporting 'Scottish' ancestry (%):
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| 1.65% | 1.92% | 2.20% | 2.47% | 2.74% | 3.02% |
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Percentage of the population reporting 'Polish' ancestry (%):
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| 0.10% | 0.35% | 0.59% | 0.83% | 1.07% | 1.31% |
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Percentage of the population reporting 'British' ancestry (%):
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| 0.47% | 0.61% | 0.74% | 0.88% | 1.01% | 1.15% |
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Percentage of the population reporting 'European' ancestry (%):
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| 0.522% | 0.553% | 0.584% | 0.614% | 0.645% | 0.676% |
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Percentage of the population reporting 'Welsh' ancestry (%):
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| 0.00% | 0.12% | 0.24% | 0.36% | 0.48% | 0.61% |
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Percentage of the population reporting 'Subsaharan African' ancestry (%):
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| 0.00% | 0.07% | 0.15% | 0.22% | 0.29% | 0.37% |
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Percentage of the population reporting ' African' ancestry (%):
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| 0.00% | 0.07% | 0.15% | 0.22% | 0.29% | 0.37% |
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Percentage of the population reporting ' Mexican' ancestry (%):
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Percentage of the population reporting ' Central American' ancestry (%):
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Percentage of the population reporting 'Vietnamese' ancestry (%):
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| 0.00% | 0.07% | 0.15% | 0.22% | 0.29% | 0.37% |
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Percentage of the population reporting 'Thai' ancestry (%):
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| 0.000% | 0.030% | 0.060% | 0.090% | 0.120% | 0.151% |
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Percentage of the population reporting 'Chinese' ancestry (%):
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| 0.000% | 0.021% | 0.043% | 0.064% | 0.086% | 0.108% |
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Percentage of the population reporting 'American' ancestry (%):
|
| 20.5% | 23.1% | 25.6% | 28.1% | 30.7% | 33.3% |
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Percentage of the population reporting 'Irish' ancestry (%):
|
| 8.6% | 9.7% | 10.7% | 11.8% | 12.8% | 13.9% |
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Percentage of the population reporting 'German' ancestry (%):
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| 8.1% | 8.8% | 9.4% | 10.0% | 10.6% | 11.2% |
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Percentage of the population reporting 'English' ancestry (%):
|
| 7.56% | 7.87% | 8.17% | 8.48% | 8.78% | 9.09% |
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Percentage of the population reporting 'Dutch' ancestry (%):
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|
|
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Percentage of the population reporting 'French' ancestry (%):
|
| 0.62% | 0.95% | 1.27% | 1.60% | 1.92% | 2.25% |
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Percentage of the population reporting 'Italian' ancestry (%):
|
| 0.53% | 0.80% | 1.07% | 1.34% | 1.60% | 1.88% |
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Percentage of the population reporting 'Scotch-Irish' ancestry (%):
|
| 1.37% | 1.45% | 1.52% | 1.59% | 1.66% | 1.74% |
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Percentage of the population reporting 'Scottish' ancestry (%):
|
| 1.50% | 1.88% | 2.26% | 2.63% | 3.01% | 3.39% |
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Percentage of the population reporting 'Polish' ancestry (%):
|
| 0.00% | 0.29% | 0.57% | 0.86% | 1.14% | 1.43% |
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Percentage of the population reporting 'British' ancestry (%):
|
|
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Percentage of the population reporting 'European' ancestry (%):
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| 0.62% | 0.76% | 0.89% | 1.02% | 1.16% | 1.29% |
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Percentage of the population reporting 'Welsh' ancestry (%):
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| 0.00% | 0.13% | 0.26% | 0.39% | 0.52% | 0.66% |
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Percentage of the population reporting 'Subsaharan African' ancestry (%):
|
| 0.00% | 0.08% | 0.16% | 0.24% | 0.32% | 0.40% |
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Percentage of the population reporting ' African' ancestry (%):
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| 0.00% | 0.08% | 0.16% | 0.24% | 0.32% | 0.40% |
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Percentage of the population reporting ' Mexican' ancestry (%):
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Percentage of the population reporting ' Central American' ancestry (%):
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| 0.000% | 0.009% | 0.017% | 0.026% | 0.034% | 0.043% |
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Percentage of the population reporting 'Vietnamese' ancestry (%):
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| 0.00% | 0.08% | 0.16% | 0.24% | 0.32% | 0.40% |
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Percentage of the population reporting 'Thai' ancestry (%):
|
| 0.000% | 0.033% | 0.065% | 0.098% | 0.131% | 0.164% |
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Percentage of the population reporting 'Chinese' ancestry (%):
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| 0.000% | 0.023% | 0.047% | 0.070% | 0.094% | 0.117% |
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