align="center" width="150" 40:e presidenten align="center" width="150" 41:e presidenten 42:e presidenten align="center" width="150" 43:e presidenten align="center" width="150" 44:e presidenten
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Ronald Reagan
1981 - 1989


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George H. W. Bush
1989 - 1993



Bill Clinton
1993 - 2001


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George W. Bush
2001 - 2009


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Barack Obama
2009 - 2017