Region
Soviet Union
395
United States
244
Europe
153
Japan
119
Russia (Federation)
84
Asia
71
Europe, Eastern
58
France
55
Poland
49
Russia
42
Eastern Europe
38
Great Britain
36
Africa
35
Developing countries
35
Latin America
35
Communist countries
33
Hungary
31
China
30
Korea
28
Germany
23
Middle East
23
Italy
21
Southeast Asia
20
Australia
19
Ukraine
19
Czechoslovakia
17
Canada
16
Germany (West)
16
Arab countries
12
Vietnam
12
Belarus
11
Indonesia
11
Austria
10
Iran
10
East Asia
9
Indochina
9
URSS
8
Africa, North
7
Asia, Southeastern
7
Caribbean Area
7
Finland
7
Korea (North)
7
Korea (South)
7
Scandinavia
6
Taiwan
6
Belgium
5
Former Soviet republics
5
India
5
Lithuania
5
Mediterranean Region
5
more ...