Region
Soviet Union
176
China
51
Italy
51
Europe, Eastern
50
Europe
40
Romania
29
Germany
28
Russia (Federation)
28
Czechoslovakia
23
France
23
Eastern Europe
22
Latin America
22
Spain
20
Yugoslavia
19
Poland
18
Russia
17
United States
16
Bulgaria
14
Cuba
13
URSS
13
Europe, Central
12
Germany (East)
12
Communist countries
11
India
10
Brazil
9
Greece
9
Peru
8
Hungary
7
Nepal
6
Turkey
6
Ukraine
6
Vietnam
6
Allemagne
5
Asia
5
Great Britain
5
Shaanxi Sheng
5
Shaanxi Sheng (China)
5
Central Europe
4
Chile
4
China, Northwest
4
Europe de l'Est
4
Gansu Sheng
4
Gansu Sheng (China)
4
Iran
4
Italie
4
Italien
4
Portugal
4
Argentina
3
Belarus
3
Chine
3
more ...