Region
United States
71
Congo (Democratic Republic)
57
China
9
Afghanistan
7
Iraq
7
Balkan Peninsula
5
Middle East
5
Arab countries
4
Asia, Central
4
Burma
4
Yemen (People's Democratic Republic)
4
Egypt
3
Europe
3
European Union countries
3
Haiti
3
Hong Kong
3
Hong Kong (China)
3
Russia (Federation)
3
Sudan
3
Ukraine
3
Vietnam (Democratic Republic)
3
Yemen (Republic)
3
Africa, Sub-Saharan
2
Belarus
2
Cuba
2
Former Soviet republics
2
Great Lakes Region (Africa)
2
Iran
2
Libya
2
Nepal
2
Senegal
2
Tunisia
2
Yemen (Arab Republic)
2
Yemen, North
2
Zimbabwe
2
Africa
1
Africa South of the Sahara
1
Africa, North
1
Angola
1
Arizona
1
Armenia (Republic)
1
Azerbaijan
1
Belgium
1
Brazil
1
Colombia
1
Côte d'Ivoire
1
Ethiopia
1
Europe, Eastern
1
France
1
Gabon
1
more ...