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Percentage of the population reporting 'German' ancestry (%):
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| 15.6% | 16.5% | 17.4% | 18.3% | 19.2% | 20.2% |
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Percentage of the population reporting 'Irish' ancestry (%):
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| 10.9% | 11.6% | 12.3% | 13.0% | 13.7% | 14.5% |
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Percentage of the population reporting 'English' ancestry (%):
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| 8.7% | 9.3% | 9.9% | 10.4% | 11.0% | 11.6% |
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Percentage of the population reporting 'American' ancestry (%):
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| 3.87% | 4.11% | 4.35% | 4.58% | 4.82% | 5.06% |
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Percentage of the population reporting 'Norwegian' ancestry (%):
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Percentage of the population reporting 'Italian' ancestry (%):
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| 3.17% | 3.65% | 4.12% | 4.59% | 5.06% | 5.54% |
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Percentage of the population reporting 'French' ancestry (%):
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| 2.52% | 2.65% | 2.78% | 2.91% | 3.03% | 3.17% |
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Percentage of the population reporting 'European' ancestry (%):
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| 1.34% | 1.77% | 2.20% | 2.62% | 3.04% | 3.47% |
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Percentage of the population reporting 'Scottish' ancestry (%):
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| 2.26% | 2.49% | 2.71% | 2.93% | 3.14% | 3.37% |
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Percentage of the population reporting 'Dutch' ancestry (%):
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| 1.29% | 1.43% | 1.57% | 1.71% | 1.84% | 1.98% |
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Percentage of the population reporting 'Polish' ancestry (%):
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| 2.00% | 2.12% | 2.22% | 2.33% | 2.43% | 2.55% |
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Percentage of the population reporting 'Swedish' ancestry (%):
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| 1.41% | 1.77% | 2.12% | 2.48% | 2.83% | 3.19% |
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Percentage of the population reporting 'Scotch-Irish' ancestry (%):
|
| 0.86% | 0.95% | 1.03% | 1.11% | 1.19% | 1.27% |
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Percentage of the population reporting 'Russian' ancestry (%):
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| 0.42% | 0.51% | 0.60% | 0.69% | 0.78% | 0.87% |
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Percentage of the population reporting 'Welsh' ancestry (%):
|
| 0.766% | 0.800% | 0.835% | 0.869% | 0.903% | 0.938% |
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Percentage of the population reporting ' Mexican' ancestry (%):
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|
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Percentage of the population reporting ' Puerto Rican' ancestry (%):
|
|
|
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Percentage of the population reporting ' Central American' ancestry (%):
|
| 0.40% | 0.61% | 0.82% | 1.03% | 1.24% | 1.45% |
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Percentage of the population reporting ' Spaniard' ancestry (%):
|
| 0.11% | 0.21% | 0.30% | 0.39% | 0.48% | 0.58% |
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Percentage of the population reporting ' Nicaraguan' ancestry (%):
|
| 0.000% | 0.029% | 0.058% | 0.087% | 0.117% | 0.146% |
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Percentage of the population reporting 'Filipino' ancestry (%):
|
| 0.23% | 0.66% | 1.08% | 1.51% | 1.93% | 2.35% |
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Percentage of the population reporting 'Korean' ancestry (%):
|
| 0.45% | 0.62% | 0.78% | 0.95% | 1.11% | 1.28% |
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Percentage of the population reporting 'Vietnamese' ancestry (%):
|
| 0.22% | 0.52% | 0.82% | 1.11% | 1.41% | 1.71% |
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Percentage of the population reporting 'Mixed' ancestry (%):
|
| 0.00% | 0.10% | 0.20% | 0.30% | 0.40% | 0.50% |
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Percentage of the population reporting 'Japanese' ancestry (%):
|
| 0.04% | 0.12% | 0.19% | 0.27% | 0.34% | 0.42% |
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Percentage of the population reporting 'German' ancestry (%):
|
| 13.6% | 15.9% | 18.1% | 20.3% | 22.5% | 24.7% |
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Percentage of the population reporting 'Irish' ancestry (%):
|
| 5.6% | 7.3% | 8.9% | 10.5% | 12.1% | 13.8% |
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|
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Percentage of the population reporting 'English' ancestry (%):
|
| 4.8% | 6.4% | 8.0% | 9.6% | 11.2% | 12.8% |
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|
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Percentage of the population reporting 'American' ancestry (%):
|
|
|
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Percentage of the population reporting 'Norwegian' ancestry (%):
|
|
|
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Percentage of the population reporting 'Italian' ancestry (%):
|
| 1.0% | 3.2% | 5.4% | 7.6% | 9.8% | 12.1% |
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|
|
|
|
|
|
|
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Percentage of the population reporting 'French' ancestry (%):
|
|
|
|
Percentage of the population reporting 'European' ancestry (%):
|
|
|
|
Percentage of the population reporting 'Scottish' ancestry (%):
|
|
|
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Percentage of the population reporting 'Dutch' ancestry (%):
|
| 0.74% | 1.24% | 1.72% | 2.21% | 2.70% | 3.19% |
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Percentage of the population reporting 'Polish' ancestry (%):
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Percentage of the population reporting 'Swedish' ancestry (%):
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|
|
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Percentage of the population reporting 'Scotch-Irish' ancestry (%):
|
|
|
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Percentage of the population reporting 'Russian' ancestry (%):
|
| 0.06% | 0.46% | 0.85% | 1.25% | 1.64% | 2.04% |
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|
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|
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|
|
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Percentage of the population reporting 'Welsh' ancestry (%):
|
|
|
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Percentage of the population reporting ' Mexican' ancestry (%):
|
| 2.1% | 5.3% | 8.5% | 11.7% | 14.8% | 18.1% |
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|
|
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Percentage of the population reporting ' Puerto Rican' ancestry (%):
|
|
|
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Percentage of the population reporting ' Central American' ancestry (%):
|
| 0.00% | 0.35% | 0.69% | 1.04% | 1.38% | 1.73% |
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|
|
|
|
|
|
|
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Percentage of the population reporting ' Spaniard' ancestry (%):
|
| 0.00% | 0.26% | 0.53% | 0.79% | 1.05% | 1.32% |
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|
|
|
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Percentage of the population reporting ' Nicaraguan' ancestry (%):
|
| 0.00% | 0.15% | 0.29% | 0.44% | 0.58% | 0.73% |
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|
|
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Percentage of the population reporting 'Filipino' ancestry (%):
|
|
|
|
Percentage of the population reporting 'Korean' ancestry (%):
|
| 0.18% | 0.62% | 1.05% | 1.48% | 1.92% | 2.36% |
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|
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|
|
|
|
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Percentage of the population reporting 'Vietnamese' ancestry (%):
|
| 0.00% | 0.24% | 0.47% | 0.71% | 0.94% | 1.19% |
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|
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Percentage of the population reporting 'Mixed' ancestry (%):
|
| 0.00% | 0.49% | 0.98% | 1.47% | 1.95% | 2.45% |
| |
|
|
|
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|
|
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Percentage of the population reporting 'Japanese' ancestry (%):
|
| 0.00% | 0.15% | 0.30% | 0.45% | 0.61% | 0.76% |
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