Region
United States
20
Congo (Democratic Republic)
12
China
4
Middle East
4
Asia, Central
3
Afghanistan
2
Belgium
2
Europe
2
Iraq
2
Africa South of the Sahara
1
Africa, North
1
Africa, Sub-Saharan
1
Arab countries
1
Balkan Peninsula
1
Belarus
1
Brussels
1
Burma
1
Colombia
1
Cuba
1
France
1
Hong Kong
1
Hong Kong (China)
1
Iran
1
Kazakhstan
1
Libya
1
Mali
1
Russia (Federation)
1
Southern States
1
Syria
1
Zimbabwe
1