Region
Soviet Union
United States
94
United States --
79
Soviet Union --
76
China
6
Europe
5
Europe --
5
Asia
3
China --
3
Developing countries
3
Europe, Eastern
3
Europe, Eastern --
3
Afghanistan --
2
Asia --
2
Developing countries --
2
Israel
2
Israel --
2
Middle East
2
Middle East --
2
Russia --
2
Syria
2
Syria --
2
United states --
2
Afghanistan
1
Afghanistan --
1
Africa
1
Africa --
1
Angola
1
Angola --
1
Asia --
1
Asia - --
1
Austria --
1
Cuba
1
Cuba --
1
East Asia
1
East Asia --
1
Eastern Europe
1
Espionage, America --
1
Germany
1
India
1
India --
1
Korea
1
Korea --
1
Latin America
1
Latin America --
1
Outer space --
1
Pacific Area
1
Pakistan
1
Pakistan --
1
Russia
1
more ...