Region
Asia --
Asia
8
Pacific Area --
6
Pacific Area
4
Malaysia --
3
Australia
2
Australia --
2
Japan
2
Japan --
2
Pacific area --
2
Asia, Southeastern
1
Asia, Southeastern --
1
China
1
China --
1
Developing countries
1
Developing countries --
1
Southeast Asia --
1
Southeastern
1
Soviet Union
1
Soviet Union --
1
United States
1
United States --
1
southeasteern
1