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SOURCE: USDC, Bureau of Economic Analysis, Bureau of the Census, 2006 |
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SOURCE: USDC, Bureau of Economic Analysis, 1990-2006 |
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SOURCE: USDC, Bureau of Economic Analysis, 1990-2004 |
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SOURCE: USDC, Bureau of Economic Analysis, 1990-2006 |
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SOURCE: USDC, Bureau of the Census, 2000 |
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SOURCE: U.S. Department of Labor, 2008 |
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SOURCE: USDC, Bureau of Labor Statistics |