Region
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Philadelphia
7
Soviet Union
7
Vietnam
7
Caribbean Area
6
Denver
6
Hiroshima-shi (Japan)
6
London
6
South Africa
6
Valley County
6
West (U.S.)
6
Africa, West
5
America
5
Apache County
5
New Jersey
5
Nigeria
5
North Carolina
5
Pacific Area
5
Russia (Federation)
5
Tropics
5
Wisconsin
5
Colorado Plateau
4
Gila County
4
Greece
4
Hawaii
4
Kern County
4
Mediterranean Region
4
Naples
4
Northwest, Pacific
4
Philippines
4
Piute County
4
South Carolina
4
South Dakota
4
Washington (State)
4
Africa, North
3
Alaska
3
Austria
3
Blaine County
3
Bolivia
3
Boston
3
Connecticut
3
Cuba
3
Four Corners Region
3
Ghana
3
Grants
3
Harding County
3
India, North
3
Iowa
3
Iran
3
Jefferson County
3
Kansas
3
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