Region
Russia (Federation) --
Former Soviet republics --
13
Russia (Federation)
7
Former Soviet republics
6
Europe --
3
Former Soviet Republics
3
Europe
2
Europe, Eastern
2
Europe, Eastern --
2
Former Soviet Republics --
1
Former Soviet republic --
1
Russia
1
Russia --
1
Russia(Federation) --
1
United States
1
United States --
1