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Decades

• 1960s (393)
• 1970s (884)
• 1980s (601)
• 1990s (143)
• 2000s (59)

States

• Alabama (1)
• Arkansas (4)
• Connecticut (1)
• Illinois (852)
• Indiana (227)
• Iowa (166)
• Benton (2)
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• Buchanan (3)
• Butler (4)
• Calhoun (11)
• Cass (2)
• Cerro Gordo (3)
• Chickasaw (1)
• Clayton (1)
• Dallas (2)
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• Delaware (3)
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• Dickinson (2)
• Fayette (4)
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• Grundy (3)
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• Jefferson (1)
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• Sac (1)
• Sioux (10)
• Story (4)
• Tama (1)
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• Webster (4)
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• Woodbury (17)
• Wright (2)
• Kansas (55)
• Kentucky (4)
• Maine (8)
• Maryland (8)
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• Michigan (100)
• Minnesota (69)
• Missouri (32)
• Nebraska (56)
• New Jersey (2)
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• Ohio (347)
• Oregon (1)
• Pennsylvania (16)
• South Carolina (3)
• South Dakota (14)
• Tennessee (2)
• Texas (16)
• Vermont (2)
• Virginia (3)
• West Virginia (1)
• Wisconsin (77)