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Decades

• 1960s (398)
• 1970s (884)
• 1980s (601)
• 1990s (143)
• 2000s (62)

States

• Alabama (1)
• Arkansas (4)
• Connecticut (1)
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• Iowa (166)
• Benton (2)
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• Calhoun (11)
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• Cerro Gordo (3)
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• Clayton (1)
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• Grundy (3)
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• Story (4)
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• Wright (2)
• Kansas (55)
• Kentucky (4)
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• Michigan (100)
• Minnesota (69)
• Missouri (32)
• Nebraska (56)
• New Jersey (2)
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• Ohio (355)
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• Pennsylvania (16)
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• South Dakota (14)
• Tennessee (2)
• Texas (16)
• Vermont (2)
• Virginia (3)
• West Virginia (1)
• Wisconsin (77)