Region
China --
28
United States --
24
East Asia --
21
Malaysia --
21
Asia --
18
China
17
Europe, Eastern --
16
Japan --
16
United States
16
Soviet Union --
14
Asia, Southeastern --
13
Korea (South) --
13
Developing countries --
12
East Asia
12
European Economic Community countries --
12
Malaysia
12
Asia
11
Latin America --
11
Europe --
10
India --
10
Pacific Area --
10
Africa --
8
Asia, Southeastern
8
Developing countries
7
Europe, Eastern
7
Great Britain --
7
India
7
Indonesia --
7
Thailand --
7
Africa
6
Korea (South)
6
Russia (Federation) --
6
Singapore --
6
Taiwan --
6
Vietnam --
6
Latin America
5
Soviet Union
5
European Union Countries --
4
Former Soviet republics --
4
Japan
4
Poland --
4
Southeast Asia --
4
ASEAN countries --
3
Africa, Sub-Saharan --
3
Argentina --
3
Brazil --
3
Chile --
3
Communist countries --
3
Ghana
3
Greece --
3
more ...