Region
China --
17
China
9
United States --
7
United States
5
India --
4
Japan --
4
Korea (South) --
4
Europe, Eastern --
3
Japan
3
Malaysia --
3
Russia (Federation) --
3
Soviet Union --
3
Africa --
2
East Asia --
2
Europe, Eastern
2
Former Soviet republics --
2
Korea (South)
2
Malaysia
2
Vietnam
2
Vietnam --
2
Africa
1
Arab countries --
1
Armenia (Republic) --
1
Asia, Southeastern --
1
Burma --
1
Communist countries --
1
East Asia
1
East Asia - --
1
Europe --
1
European Economic Community countries
1
European Economic Community countries --
1
Greece --
1
India
1
Islamic countries
1
Islamic countries --
1
Korea(South)
1
Latin America
1
Latin America --
1
New Zealand --
1
Poland --
1
Russia
1
Russia (Federation)
1
Russia (Ferderation) --
1
Russia --
1
Singapore --
1
Soviet Union
1
Thailand --
1
Western countries
1
Western countries --
1