Region
East Asia --
3
Malaysia --
3
East Asia
2
Europe --
2
European Economic Community countries --
2
Thailand --
2
Africa --
1
Developing countries
1
Developing countries --
1
Ghana
1
Ghana --
1
Indonesia --
1
Israel --
1
Japan --
1
Kenya --
1
Korea --
1
Latin America --
1
Malaysia
1
Mexico --
1
Nepal --
1
Pakistan --
1
Soviet Union --
1
United States --
1
Vietnam --
1