Region
Singapore
Singapore --
38
Malaysia
24
Malaysia --
23
India
6
Indonesia
6
India --
5
Indonesia --
4
Southeast Asia --
3
United States
3
United States --
3
Asia, Southeastern
2
Asia, Southeastern --
2
Philippines
2
Southeast Asia
2
Soviet Union
2
Soviet Union --
2
Australia
1
Australia --
1
Brunei
1
Brunei --
1
China
1
China --
1
Great Britain --
1
Indonesia - --
1
Malasyia
1
New Zealand
1
New Zealand --
1
South East Asia
1
Southeast
1
Territorial water --
1