Region
Europe, Eastern
21
Europe, Eastern --
21
Russia (Federation) --
12
Soviet Union --
10
Former Soviet republics --
9
Russia (Federation)
8
China --
7
Former Soviet republics
7
Soviet Union
7
China
6
Asia, Central
4
Asia, Central --
4
Russia
4
Indonesia --
3
Africa
2
Africa --
2
Asia
2
Asia --
2
Cuba
2
Cuba --
2
Philippines
2
Philippines --
2
Romania
2
Romania --
2
Slovenia
2
Slovenia --
2
Vietnam
2
Vietnam --
2
Yugoslavia --
2
Afghanistan
1
Afghanistan --
1
Asia, Southeastern
1
Asia, Southeastern --
1
Baltic States
1
Baltic States --
1
Belarus
1
Belarus --
1
Bulgaria
1
Bulgaria --
1
Cambodia
1
Cambodia --
1
Caucasus
1
Caucasus --
1
Chile
1
Chile --
1
China (People's Republic of China) --
1
Czech Republic
1
Czech republic --
1
Czechoslovakia
1
Czechoslovakia --
1
more ...