Region
Former Soviet republics --
4
Japan --
3
Latin America --
3
Africa, North --
2
Asia, Southeastern
2
Australia --
2
Caribbean Area --
2
China --
2
Europe, Eastern --
2
Islamic countries --
2
Malaysia --
2
Middle East --
2
Russia --
2
Soviet Union --
2
United States --
2
Afghanistan --
1
Africa --
1
America
1
America --
1
Asia --
1
Cuba --
1
Developing countries --
1
Europe --
1
Hong Kong
1
Hong Kong --
1
India --
1
North America
1
Pacific Area --
1
Pakistan --
1
Singapore --
1
South Asia --
1