Region
Former Soviet republics --
2
Soviet Union --
2
Asia, Central
1
Asia, Central --
1
Baltic States
1
Caucasus
1
Caucasus --
1
China
1
Czech Republic
1
Czech republic --
1
Czechoslovakia
1
Czechoslovakia --
1
Europe, Eastern --
1
Former Soviet republics
1
Hong Kong - --
1
Romania
1
Romania --
1
Russia
1
Russia (Federation) --
1
Russia --
1
Singapore
1
Singapore --
1
Slovakia
1
Slovakia --
1
Soviet Union
1