Region
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Turkmenistan
10
Brazil
9
Bulgaria
9
Mongolia
9
Japan
8
Macedonia
8
Missouri
8
Romania
8
Turkey
8
Burundi
7
Illinois
7
Kentucky
7
Korea (South)
7
Mali
7
Middle West
7
Timor-Leste
7
Virginia
7
Africa South of the Sahara
6
Africa, Sub-Saharan
6
Hungary
6
India
6
Jordan
6
Mexican-American Border Region
6
Poland
6
Arizona
5
Australia
5
Central America
5
Estonia
5
Ethiopia
5
Europe
5
Europe, Eastern
5
Great Britain
5
Gulf States
5
Lithuania
5
Michigan
5
New Jersey
5
North America
5
Norway
5
South Africa
5
American River Watershed (Calif.)
4
Argentina
4
Chile
4
Cyprus
4
Czech Republic
4
Hawaii
4
Hong Kong
4
Hong Kong (China)
4
Iceland
4
Iowa
4
Kansas
4
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