Region
Russia (Federation)
Russia (Federation) --
16
United States
7
United States --
7
Europe
4
Europe --
4
Europe, Eastern
3
Europe, Eastern --
3
Former Soviet republics
3
Former Soviet republics --
3
Asia
2
Russia
2
Asia --
1
Asia, Central
1
Asia, Central --
1
Russia (Federation). Voenno-Morskoi Flot
1
Russian(Federation)
1