Region
United States
Developing countries
14
Former Soviet republics
13
Iraq
12
Colombia
9
Caribbean Area
7
Afghanistan
5
Africa
5
Africa, Sub-Saharan
5
Latin America
5
Mexico
5
Russia (Federation)
5
Balkan Peninsula
4
South Africa
4
Asia, Central
3
Central America
3
Egypt
3
Europe
3
Korea (North)
3
Liberia
3
Cuba
2
Haiti
2
Kosovo (Republic)
2
Middle East
2
Nicaragua
2
Northern Mariana Islands
2
Pakistan
2
Africa South of the Sahara
1
Africa, Central
1
Africa, Northeast
1
Africa, Southern
1
Angola
1
Bangladesh
1
Bulgaria
1
Burma
1
Gaza Strip
1
Hungary
1
Iran
1
Ireland
1
Latvia
1
Marshall Islands
1
Palestine
1
Palestinian National Authority
1
Peru
1
Philippines
1
Rwanda
1
Somalia
1
Soviet Union
1
Taiwan
1
Thailand
1
more ...