Region
United States
12
United States --
12
Great Britain --
9
Great Britain
5
Europe, Eastern
4
Europe, Eastern --
4
China --
3
India --
3
Russia (Federation) --
3
Africa --
2
Asia --
2
Ethiopia --
2
Europe --
2
India
2
Kenya --
2
Middle East --
2
Soviet Union
2
Soviet Union --
2
Ukraine
2
Ukraine --
2
Yugoslavia --
2
Africa
1
Africa, North
1
Africa, North --
1
Arab countries --
1
Argentina
1
Argentina --
1
Asia
1
Asia, Central
1
Asia, Central --
1
Belarus
1
Belarus --
1
Brazil
1
Brazil --
1
Burma --
1
Cambodia
1
Cambodia --
1
Caucasus
1
Caucasus --
1
Chile
1
Chile --
1
China
1
Czechoslovakia --
1
East Asia
1
East Asia --
1
Eastern Europe
1
Egypt --
1
Ethiopia
1
European Union countries
1
European Union countries --
1
more ...