Region
Soviet Union
United States
160
Russia
114
Russia (Federation)
67
China
30
Great Britain
20
URSS
16
Germany
15
Communist countries
8
Czechoslovakia
8
Finland
8
Ukraine
8
France
7
Yugoslavia
6
Estonia
5
Kazakhstan
5
Poland
5
Bulgaria
4
Japan
4
Belarus
3
Iran
3
Lithuania
3
Republics
3
Turkey
3
Xinjiang Uygur Zizhiqu (China)
3
États-Unis
3
Afghanistan
2
Africa
2
Arab countries
2
Bering Strait Region
2
Birobidzhan (Russia)
2
Chile
2
Cuba
2
Europe
2
Germany (East)
2
Germany (West)
2
Greece
2
Hungary
2
Middle East
2
Mongolia
2
Norway
2
Russian S.F.S.R
2
Sowjetunion
2
United Arab Republic
2
Venezuela
2
Arctic Regions
1
Arctic regions
1
Belgium
1
Birobidzhan
1
Chên-pao Island
1
more ...