Region
United States
30
Africa South of the Sahara
6
India
6
South Asia
4
China
2
Latin America
2
Middle East
2
Argentina
1
Bolivia
1
Brazil
1
Cambodia
1
Central Asia
1
Colorado
1
Cuba
1
Europe
1
Former Soviet republics
1
France
1
Great Britain
1
Haiti
1
Japan
1
Korea
1
Mozambique
1
Russia (Federation)
1
Social conditions
1
Soviet Union
1