Region
Former Soviet republics --
9
Former Soviet republics
6
Russia (Federation) --
6
Russia (Federation)
5
Europe
2
Europe --
2
Europe, Eastern
2
Europe, Eastern --
2
Former Soviet Republics
2
Former Soviet Republics --
2
Asia
1
Asia --
1
Iran
1
Iran --
1
Middle East
1
Middle East --
1
Russia --
1
Russia(Federation) --
1
Soviet Union
1
Soviet Union --
1
United States
1
United States --
1