Region
Soviet Union
United States
24
Cuba
4
Europe, Eastern
4
Germany (West)
4
Ukraine
4
Baltic States
3
Berlin
3
Berlin (Germany)
3
Germany
3
Iran
3
Russia (Federation)
3
Africa
2
Australia
2
China
2
Germany (East)
2
Israel
2
Latin America
2
Liberia
2
Mexico
2
Middle East
2
Venezuela
2
Afghanistan
1
Arab countries
1
Azerbaijan
1
Canada
1
Caribbean Area
1
Central America
1
Communist countries
1
Czechoslovakia
1
Developing countries
1
Egypt
1
Europe, Western
1
Former Soviet republics
1
Hungary
1
Kazakhstan
1
Russia
1
Western Europe
1
World politics
1
Yugoslavia
1