Region
Russia (Federation) --
Russia (Federation)
13
Europe, Eastern --
12
Europe
9
Europe --
9
Asia, Central --
5
Europe, Eastern
5
Former Soviet republics --
5
Former Soviet republics
4
Soviet Union --
3
United States
3
United States --
3
Soviet Union
2
Asia, Central
1
China
1
China --
1
Euroe --
1
Malaysia
1
Russia --
1