Région
United States
43
Great Britain
9
China
8
Latin America
8
Soviet Union
8
Austria
5
Czechoslovakia
5
Romania
5
Caribbean Area
4
Cuba
3
Japan
3
Nicaragua
3
Russia
3
Caribe, Area del
2
Dominican Republic
2
Estados Unidos
2
Mexico
2
Africa, Sub-Saharan
1
Costa Rica
1
France
1
Germany (East)
1
Guatemala
1
Honduras
1
India
1
Palestine
1
Puerto Rico
1
Russia (Federation)
1
Siberia (Russia)
1
Thailand
1
Ukraine
1
États-Unis
1