Geographic Subject
Soviet Union
109
India
44
Russia (Federation)
32
Indonesia
24
United States
18
China
11
France
10
Germany
9
Malaysia
8
Germany (West)
5
Pakistan
5
Siberia
5
Siberia (Russia)
5
Argentina
4
Developing countries
4
Great Britain
4
Hungary
4
Russian Far East (Russia)
4
Yugoslavia
4
Germany (East)
3
Iraq
3
Murmanska︠i︡a oblastʹ
3
Murmanska︠i︡a oblastʹ (Russia)
3
Russian Far East
3
Asia, Southeastern
2
Batam Island (Indonesia)
2
Cameroon
2
Colombia
2
Communist countries
2
Europe, Eastern
2
Italy
2
Japan
2
Kazakhstan
2
Komi
2
Komi (Russia)
2
Korea (South)
2
Netherlands
2
Peru
2
Philippines
2
Sri Lanka
2
Sweden
2
Switzerland
2
Turkey
2
4.050
1
4.935
1
6.615
1
Africa, North
1
Algeria
1
Argentine
1
Armenia (Republic)
1
more ...