Region
Asia, Southeastern --
8
Asia, Southeastern
6
Pacific Area --
6
Pacific Area
5
Asia
4
Japan --
4
Malaysia
3
Asia --
2
Developing countries
2
Developing countries --
2
East Asia
2
Japan
2
Singapore --
2
Soviet Union --
2
United States --
2
Cambodia --
1
East Asia --
1
Indochina --
1
Indonesia
1
Indonesia --
1
Malaysia --
1
Singapore
1
Soviet Union
1
Taiwan --
1
United States
1