Region
United States --
27
United States
26
China --
11
China
10
Japan
7
Soviet Union --
5
Developing countries --
4
Developing countries
3
Europe
3
Japan --
3
Malaysia
3
Soviet Union
3
Arab countries --
2
Asia
2
Asia --
2
Bosnia and Hercegovina --
2
Burma --
2
Egypt --
2
Europe --
2
Germany
2
Malaysia --
2
Middle East --
2
Poland --
2
Afghanistan --
1
Africa
1
Africa, North
1
Africa, North --
1
Africa, Northeast
1
Arab countries
1
Argentina
1
Argentina --
1
Balkan Peninsula --
1
Bosnia and Hercegovina
1
Bosnia and Herzegovina
1
Burma
1
Central America --
1
Cuba --
1
Europe - --
1
Europe, Eastern
1
Europe, Eastern --
1
Foreign countries
1
France --
1
Gambia
1
Gambia --
1
Germany (West)
1
Germany (West) --
1
Germany --
1
Great Britain
1
Great Britain --
1
India
1
more ...