Oblast
Soviet Union
127
Russia
67
United States
61
Europe
49
Africa
39
Russia (Federation)
37
China
36
Developing countries
31
France
26
Asia
23
Europe, Eastern
21
Great Britain
20
India
19
Japan
18
Latin America
18
Turkey
17
Indonesia
16
Arab countries
12
Germany
11
Italy
11
Middle East
11
Siberia (Russia)
11
Asia, Southeastern
10
Canada
9
Czechoslovakia
9
Africa, Sub-Saharan
8
Germany (West)
8
Siberia
8
Communist countries
7
Pakistan
7
Poland
7
South Africa
7
Spain
7
Balkan Peninsula
6
Cuba
6
Yugoslavia
6
Afghanistan
5
Australia
5
Bangladesh
5
Brazil
5
Greece
5
Iran
5
Israel
5
Nigeria
5
Oceania
5
Romania
5
Africa, Southern
4
Africa, West
4
Algeria
4
Asia, Central
4
více ...