Region
Soviet Union --
Soviet Union
74
United States --
31
United States
25
Europe, Eastern --
11
Russia (Federation) --
9
Russia --
9
Europe, Eastern
8
Asia
5
Asia --
5
China --
4
Developing countries
4
Russia (Federation)
4
Developing countries --
3
Europe --
3
Former Soviet republics --
3
Middle East
3
Middle East --
3
Russia
3
Afghanistan --
2
Former Soviet republics
2
Germany --
2
Japan --
2
Yugoslavia --
2
1945-1989
1
Afghanistan
1
Africa
1
Africa --
1
Africa, Southern --
1
Angola
1
Angola --
1
Asia - --
1
Asia, Central
1
Asia, Central --
1
Baltic States
1
Caribbean Area --
1
China
1
East Asia
1
East Asia --
1
Eastern Europe
1
France --
1
Germany
1
Great Britain
1
Great Britain --
1
India
1
India --
1
Japan
1
Korea
1
Korea --
1
Latvia --
1
more ...