Region
United States
35
United States --
23
China --
9
China
8
Japan
8
Japan --
7
Developing countries --
6
Soviet Union --
6
Asia
5
Europe
5
Europe --
5
Asia --
4
Asia, Southeastern
4
East Asia --
4
Islamic countries
4
Malaysia
4
Middle East --
4
Soviet Union
4
Asia, Southeastern --
3
European Union Countries --
3
European Union countries --
3
Great Britain
3
India
3
India --
3
Indonesia --
3
Iraq
3
South Asia
3
Burma
2
Burma --
2
Egypt --
2
Europe, Eastern --
2
European Economic Community countries
2
European Union countries
2
Germany
2
Great Britain --
2
Hungary
2
Indonesia
2
Iraq --
2
Libya --
2
Malaysia --
2
Middle East
2
North America --
2
Pacific Area --
2
Poland
2
Russia (Federation)
2
Russia(Federation)
2
Russia(Federation) --
2
Singapore
2
South Africa
2
South Asia --
2
more ...