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Percentage of the population reporting 'German' ancestry (%):
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| 24.55% | 24.63% | 24.70% | 24.77% | 24.85% | 24.92% |
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Percentage of the population reporting 'Irish' ancestry (%):
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| 9.2% | 10.0% | 10.8% | 11.5% | 12.3% | 13.1% |
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Percentage of the population reporting 'American' ancestry (%):
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| 11.6% | 12.3% | 13.0% | 13.6% | 14.3% | 15.0% |
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Percentage of the population reporting 'English' ancestry (%):
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| 5.8% | 7.4% | 8.9% | 10.4% | 11.8% | 13.4% |
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Percentage of the population reporting 'Dutch' ancestry (%):
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| 2.62% | 2.79% | 2.96% | 3.13% | 3.30% | 3.47% |
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Percentage of the population reporting 'Italian' ancestry (%):
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| 0.30% | 0.47% | 0.64% | 0.81% | 0.98% | 1.15% |
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Percentage of the population reporting 'Romanian' ancestry (%):
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| 0.000% | 0.050% | 0.099% | 0.149% | 0.198% | 0.248% |
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Percentage of the population reporting 'European' ancestry (%):
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| 0.762% | 0.794% | 0.826% | 0.857% | 0.889% | 0.921% |
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Percentage of the population reporting 'French' ancestry (%):
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| 0.38% | 0.59% | 0.80% | 1.01% | 1.22% | 1.44% |
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Percentage of the population reporting 'Polish' ancestry (%):
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| 0.34% | 0.46% | 0.58% | 0.70% | 0.82% | 0.94% |
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Percentage of the population reporting 'Scottish' ancestry (%):
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| 0.93% | 1.09% | 1.26% | 1.42% | 1.58% | 1.74% |
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Percentage of the population reporting 'Scotch-Irish' ancestry (%):
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| 1.73% | 1.84% | 1.95% | 2.06% | 2.16% | 2.27% |
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Percentage of the population reporting 'Swiss' ancestry (%):
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| 0.00% | 0.05% | 0.11% | 0.16% | 0.21% | 0.27% |
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Percentage of the population reporting 'Welsh' ancestry (%):
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| 0.27% | 0.44% | 0.60% | 0.76% | 0.92% | 1.09% |
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Percentage of the population reporting 'Estonian' ancestry (%):
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| 0.0000% | 0.0038% | 0.0076% | 0.0114% | 0.0152% | 0.0191% |
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Percentage of the population reporting ' Mexican' ancestry (%):
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Percentage of the population reporting ' South American' ancestry (%):
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| 0.00% | 0.06% | 0.13% | 0.19% | 0.26% | 0.33% |
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Percentage of the population reporting ' Argentinean' ancestry (%):
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| 0.000% | 0.008% | 0.015% | 0.023% | 0.030% | 0.039% |
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Percentage of the population reporting 'Burmese' ancestry (%):
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| 0.00% | 0.15% | 0.30% | 0.45% | 0.59% | 0.75% |
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Percentage of the population reporting 'Indian' ancestry (%):
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| 0.00% | 0.12% | 0.23% | 0.35% | 0.46% | 0.58% |
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