Region
United States
21
Asia
14
United States --
14
Europe
11
Europe --
9
Europe, Eastern --
8
Japan --
8
Pacific Area
8
Asia, Southeastern --
7
China
7
Soviet Union --
7
ASEAN countries
6
Asia --
6
Malaysia --
6
Soviet Union
6
Asia, Southeastern
5
Europe, Eastern
5
Japan
5
Malaysia
5
Pacific Area --
5
ASEAN countries --
4
China --
4
East Asia --
4
European Economic Community countries
4
Former Soviet republics --
4
European Economic Community countries --
3
India --
3
Korea (South) --
3
Africa --
2
Australia --
2
Canada
2
Canada --
2
East Asia
2
European Union countries
2
European Union countries --
2
India
2
Latin America
2
Poland --
2
Taiwan --
2
Thailand
2
Thailand --
2
ASEAN
1
ASEAN --
1
Africa
1
Africa, Sub-Saharan
1
Alaska
1
Andhra Pradesh
1
Andhra Pradesh (India) --
1
Andra Pradesh
1
Asia, Souteastern
1
more ...