Region
ASEAN
1
Africa
2
Africa --
1
Asia
3
Asia --
3
Asia, Southeastern
2
Asia, Southeastern --
2
China
4
China --
4
Developing countries
2
Developing countries --
1
East Asia
2
East Asia --
4
Europe
1
Europe --
1
European Economic
1
European Economic Community countries
1
European Economic Community countries --
2
European Union Countries
1
Great Britain
1
Great Britain --
1
India
1
India --
1
Japan
38
Japan --
1
Japan --
49
Malacca, Strait of
1
Malacca, Strait of --
1
Malaysia
2
Malaysia --
1
Mexico
1
Mexico --
1
Nigeria
1
Pacific Area
4
Pacific Area --
5
Russia
1
Singapore
3
Singapore --
3
South Africa
1
Southeast Asia
2
Southeast Asia --
1
Southeast Asia --
1
Soviet Union
1
Tanzania
1
U.S --
1
United States
15
United States --
15
Western countries
1
Western countries --
1