Region
United States
26
Congo (Democratic Republic)
11
Zimbabwe
5
China
3
Iran
3
Burma
2
Egypt
2
Kosovo (Republic)
2
Middle East
2
Pakistan
2
Rwanda
2
Vietnam
2
Vietnam (Democratic Republic)
2
Afghanistan
1
Africa, Central
1
Algeria
1
Asia, Central
1
Balkan Peninsula
1
Baltic States
1
Belarus
1
Burundi
1
Central America
1
Darfur
1
Europe
1
Europe, Central
1
Europe, Eastern
1
Haiti
1
Korea (North)
1
Lebanon
1
Nigeria
1
Northern Ireland
1
Russia (Federation)
1
Sudan
1
Tibet Autonomous Region
1
Uganda
1