Region
Afghanistan
1
Africa
1
Alberta
1
Atlanta (Ga.)
1
California
1
Canada
12
Developing countries
9
Europe
5
European Union countries
1
Everglades
1
Florida
1
Fulton County
1
Fulton County (Ga.)
1
Genesee County
1
Georgia
1
Germany (West)
2
Great Britain
7
India
1
Indonesia
1
Islands of the Pacific
1
Kentucky
1
Korea (South)
1
Latin America
1
Louisville
1
Michigan
1
OECD countries
2
Portugal
1
Puerto Rico
6
Scotland
1
Slovakia
1
Tanzania
2
Tennessee
2
Tuscola County
1
Ukraine
2
United States
889
West (U.S.)
1
Yellowstone National Park
1