Region
Argentina
1
Canada
2
China
16
East Asia
5
Europe
11
Former Soviet republics
22
France
1
Georgia
1
Germany
1
Germany (East)
1
Germany (West)
3
Great Britain
6
Hiroshima-shi (Japan)
2
India
2
Iran
6
Iraq
3
Japan
1
Kazakhstan
1
Korea (North)
35
Korea (South)
7
Latin America
1
Libya
2
New York
1
New York (State)
1
Pakistan
2
Russia
2
Russia (Federation)
40
South Africa
1
South Asia
5
Soviet Union
24
Ukraine
1
United States
167