Region
Europe
Europe --
7
United States
5
United States --
5
Russia (Federation)
2
Russia (Federation) --
2
Asia
1
Asia --
1
Canada
1
European Union Countries --
1
Former Soviet republics
1
Former Soviet republics --
1
Germany
1
Germany --
1
Great Britain
1
Great Britain --
1
Soviet Union
1
Soviet Union --
1