Region
United States --
32
Malaysia --
24
India --
23
Developing countries --
20
United States
17
Israel --
15
South Asia --
14
Middle East --
13
Great Britain --
12
Soviet Union --
12
East Asia --
11
China --
10
South Africa --
10
Developing countries
9
Former Soviet republics --
9
Malaysia
9
Singapore --
9
Asia, Southeastern --
8
India
8
Pakistan --
8
Russia --
8
Indonesia --
7
Japan --
7
Singapore
7
Soviet Union
7
Thailand --
7
Asia --
6
East Asia
6
Europe --
6
Germany (West) --
6
Great Britain
6
Hong Kong (China) --
6
Persian Gulf Region --
6
South Africa
6
Asia, Southeastern
5
Europe, Eastern --
5
Iraq --
5
Israel
5
Korea --
5
Middle East
5
Nepal --
5
Pacific Area --
5
Africa --
4
Arab countries --
4
China
4
Germany (West)
4
Germany --
4
Indonesia
4
Iraq
4
Russia
4
more ...