Region
Great Britain --
4
Developing countries --
3
United States --
3
Europe, Eastern --
2
Korea (South) --
2
Asia, Southeastern
1
Caribbean Area --
1
Commonwealth countries --
1
Europe, Eastern
1
Former Soviet republics --
1
France --
1
French
1
French --
1
Germany (East) --
1
Great Britain
1
Hong Kong (China) --
1
Japan
1
Japan --
1
Korea --
1
Latin America --
1
Middle East --
1
Romania
1
Romania --
1
United States
1
Warsaw Pact, 1955
1