Region
United States
141
Soviet Union
54
Europe
17
Developing countries
13
Great Britain
9
Asia
5
China
5
Europe, Western
5
France
5
Africa
4
India
4
Europe, Eastern
3
Germany
3
Latin America
3
Pakistan
3
Bulgaria
2
Canada
2
East Asia
2
Germany (West)
2
Japan
2
Middle East
2
Afghanistan
1
Africa, North
1
Bolivia
1
Congo (Democratic Republic)
1
Cuba
1
Developing countrires
1
Egypt
1
England
1
Germany (East)
1
Horn of Africa
1
Iran
1
Israel
1
Korea (North)
1
Korea (South)
1
Lebanon
1
Libya
1
Pāṭa
1
Russia
1
Russia (Federation)
1
South Asia
1
Southeast Asia
1
Tibet Autonomous Region (China)
1
URSS
1
Yugoslavia
1