Region
Soviet Union
437
China
364
United States
268
Europe, Eastern
76
Eastern Europe
64
Italy
64
Germany
59
Europe
56
France
56
Cuba
47
Great Britain
43
Latin America
42
Poland
37
Hungary
31
Germany (East)
30
Vietnam
30
Asia
24
Spain
24
Communist countries
23
Czechoslovakia
20
India
20
Russia
18
Japan
17
Yugoslavia
16
Romania
15
New York (State)
14
Bulgaria
13
Cambodia
13
Russia (Federation)
12
Africa
11
Korea (North)
11
Southeast Asia
11
Developing countries
10
Mexico
8
New York
8
Ukraine
8
Greece
7
Korea
7
Paris
7
Afghanistan
6
Chile
6
Europe, Central
6
Philippines
6
Central Europe
5
URSS
5
USSR
5
Vietnam (Democratic Republic)
5
Allemagne
4
Caribbean Area
4
Chine
4
more ...