Region
Soviet Union
United States --
Soviet Union --
65
United States
63
China
5
China --
3
Europe
3
Europe --
3
Europe, Eastern
3
Europe, Eastern --
3
Afghanistan --
2
Asia
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
Africa
1
Africa --
1
Asia - --
1
Austria --
1
Cuba
1
Cuba --
1
Developing countries --
1
Eastern Europe
1
Espionage, America --
1
India
1
India --
1
Korea
1
Korea --
1
Latin America
1
Latin America --
1
Pakistan
1
Pakistan --
1
Russia
1
Soviet --
1
United Nations
1
Vienna
1