Region
Europe, Eastern
7
Europe, Eastern --
7
Russia (Federation)
5
Russia (Federation) --
5
Former Soviet republics
4
Former Soviet republics --
4
Asia, Central
2
Asia, Central --
2
Baltic States
1
Baltic States --
1
Bulgaria
1
Bulgaria --
1
Estonia
1
Estonia --
1
Russia --
1
Slovenia
1
Slovenia --
1
Soviet Union --
1