Region
Afghanistan
4
Africa
1
Africa, Sub-Saharan
5
Africa, West
1
Angola
1
Arab countries
7
Asia, Central
1
Azerbaijan
1
Balkan Peninsula
6
Belarus
2
Bosnia and Herzegovina
1
Burkina Faso
2
Burma
9
China
4
Egypt
7
Europe
1
Europe, Central
1
Europe, Eastern
1
European Union countries
4
Former Soviet republics
1
Great Lakes Region (Africa)
1
Haiti
1
Hong Kong
1
Hong Kong (China)
1
Iran
3
Iraq
11
Korea (South)
2
Kosovo (Republic)
1
Latin America
2
Lebanon
2
Liberia
1
Libya
1
Middle East
9
Mongolia
1
Nepal
2
Nicaragua
1
Nigeria
2
Pakistan
4
Serbia
1
Soviet Union
1
Syria
3
Thailand
2
Tunisia
6
United States
47
Yugoslavia
1
Zimbabwe
1