Region
United States
157
Developing countries
18
Caribbean Area
13
Latin America
13
Africa
6
Africa, Sub-Saharan
5
Iraq
4
Palestine
4
Ukraine
4
Afghanistan
3
Africa South of the Sahara
3
China
3
Europe
3
Central America
2
Egypt
2
Ethiopia
2
Haiti
2
Malawi
2
Mexico
2
Pakistan
2
Uzbekistan
2
Asia
1
Benin
1
Burkina Faso
1
Cambodia
1
Cameroon
1
Colombia
1
Congo (Brazzaville)
1
Côte d'Ivoire
1
East Asia
1
Eurasia
1
Former Soviet republics
1
Gaza Strip
1
Honduras
1
Israel
1
Korea (North)
1
Marshall Islands
1
Micronesia (Federated States)
1
Middle East
1
Nepal
1
Oman
1
Ouagadougou
1
Palau
1
Peru
1
Russia (Federation)
1
Senegal
1
Somalia
1
South Asia
1
Southeast Asia
1
Soviet Union
1
more ...