Region
United States --
13
Soviet Union --
8
India --
7
United States
7
Great Britain --
6
Middle East --
6
Asia, Southeastern --
4
China --
4
East Asia --
4
Europe --
4
Great Britain
4
Kuwait --
4
Argentina
3
Iraq --
3
Malaysia
3
Middle East
3
Vietnam --
3
Argentina --
2
Australia --
2
Central America --
2
Central Europe --
2
China
2
Europe
2
Europe, Eastern --
2
Falkland Islands --
2
Germany --
2
Hungary --
2
Iraq
2
Japan --
2
Korea --
2
Kuwait
2
Latin America --
2
Malaysia --
2
Malta --
2
Mexico --
2
New Zealand --
2
Philippines --
2
Russia --
2
Sarawak --
2
Southeast Asia --
2
Soviet Union
2
Tibet (China) --
2
Africa
1
Africa --
1
Arizona
1
Arizona --
1
Armenia --
1
Asia
1
Asia --
1
Asia, Central --
1
more ...