Region
Soviet Union
1,236
United States
624
China
75
Germany
59
Europe
55
Great Britain
53
Europe, Eastern
42
Russia (Federation)
42
Middle East
34
Developing countries
27
Poland
24
Russia
23
Berlin (Germany)
19
Cuba
19
Japan
18
Afghanistan
16
Iran
15
Canada
12
Germany (West)
12
Baltic States
11
Hungary
11
Latin America
10
Turkey
10
Arab countries
9
Israel
9
Yugoslavia
9
Asia
8
Berlin
8
Czechoslovakia
8
East Asia
8
Egypt
8
France
8
Austria
6
Communist countries
6
Eastern Europe
6
Europe, Western
6
Germany (East)
6
India
6
Alaska
5
Balkan Peninsula
5
Belarus
5
Caribbean Area
5
Finland
5
Italy
5
Central America
4
Romania
4
Ukraine, Western
4
Africa, Southern
3
Asia, Central
3
Bulgaria
3
more ...