Region
United States --
21
Soviet Union --
13
China --
12
United States
11
China
9
Great Britain --
9
Indonesia --
9
Germany --
8
Japan --
7
Czechoslovakia --
5
Egypt --
5
Europe --
5
Great Britain
5
Philippines --
5
Cambodia --
4
Congo (Democratic Republic) --
4
India --
4
Middle East --
4
Vietnam --
4
Algeria --
3
Berlin (Germany) --
3
Cambodia
3
Congo (Democratic Republic)
3
France --
3
Philippines
3
Russia --
3
Zaire --
3
Asia
2
Asia --
2
Asia, Southeastern --
2
Bangladesh --
2
Bulgaria
2
Bulgaria --
2
Ethiopia --
2
Germany
2
Ghana --
2
Hungary --
2
Indochina --
2
Iran --
2
Malaya --
2
Malaysia
2
Malaysia --
2
Middle East
2
Philippines Islands --
2
Soviet Union
2
Spain --
2
Sri Lanka --
2
Thailand --
2
Vietnam
2
Zaire
2
more ...