Region
United States
48
Africa
26
Asia
24
Africa, Sub-Saharan
17
China
12
Tibet Region
7
U.S. states
7
Europe
5
Japan
3
Middle East
3
North America
3
Colorado
2
Great Britain
2
Korea
2
Russia (Federation)
2
Southeast Asia
2
Africa South of the Sahara
1
Africa, North
1
Arab countries
1
Caribbean Area
1
Croatia
1
Developing countries
1
Europe, Central
1
Europe, Eastern
1
Europe, Northern
1
European Economic Community countries
1
European Union countries
1
India
1
Iraq
1
Phillip Island (Vic.)
1
Romania
1
South America
1
South Asia
1