Region
Europe, Eastern --
Europe, Eastern
20
Russia (Federation) --
6
Balkan Peninsula --
4
Europe, Central --
4
Former Soviet Republics --
4
Former Soviet republics --
4
Asia, Central --
3
Soviet Union --
3
Asia
2
Asia --
2
Former Soviet republics
2
Soviet Union
2
BalkanPeninsula --
1
Communist countries --
1
Europe --
1
Europe, Central
1
European Economic community countries --
1
European economic community countries
1
Germany (West)
1
Germany (West) --
1
Latin America
1
Latin America --
1
Middle East
1
Middle East --
1
Russia (Federation)
1
United States
1
United States --
1