Percentage of the population reporting 'German' ancestry (%):
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28.14% | 28.57% | 29.01% | 29.44% | 29.88% | 30.31% |
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Percentage of the population reporting 'Swedish' ancestry (%):
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10.2% | 10.7% | 11.3% | 11.8% | 12.4% | 13.0% |
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Percentage of the population reporting 'Norwegian' ancestry (%):
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11.41% | 11.47% | 11.53% | 11.59% | 11.65% | 11.71% |
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Percentage of the population reporting 'Polish' ancestry (%):
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3.7% | 5.4% | 7.1% | 8.7% | 10.4% | 12.1% |
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Percentage of the population reporting 'American' ancestry (%):
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6.1% | 7.0% | 7.8% | 8.6% | 9.4% | 10.3% |
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Percentage of the population reporting 'Czech' ancestry (%):
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1.44% | 1.63% | 1.82% | 2.01% | 2.20% | 2.40% |
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Percentage of the population reporting 'Finnish' ancestry (%):
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3.27% | 3.56% | 3.85% | 4.14% | 4.43% | 4.72% |
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Percentage of the population reporting 'Russian' ancestry (%):
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0.17% | 0.24% | 0.30% | 0.36% | 0.42% | 0.49% |
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Percentage of the population reporting 'English' ancestry (%):
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3.85% | 3.99% | 4.13% | 4.26% | 4.40% | 4.54% |
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Percentage of the population reporting 'Irish' ancestry (%):
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7.98% | 8.23% | 8.47% | 8.72% | 8.97% | 9.22% |
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Percentage of the population reporting 'Danish' ancestry (%):
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Percentage of the population reporting 'French' ancestry (%):
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4.32% | 4.64% | 4.95% | 5.27% | 5.58% | 5.90% |
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Percentage of the population reporting 'Italian' ancestry (%):
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2.215% | 2.230% | 2.245% | 2.260% | 2.275% | 2.291% |
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Percentage of the population reporting 'European' ancestry (%):
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0.41% | 0.53% | 0.64% | 0.76% | 0.87% | 0.99% |
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Percentage of the population reporting 'Scottish' ancestry (%):
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0.52% | 0.58% | 0.64% | 0.69% | 0.74% | 0.80% |
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