Region
Afghanistan
1
Afghanistan --
1
Central America
1
Central America --
1
Europe
3
Europe --
2
India
1
India --
1
Indonesia
2
Indonesia --
1
Iran
1
Iran --
1
Islamic countries
1
Japan
1
Japan --
1
Malaysia
5
Malaysia --
1
Pakistan
1
Pakistan --
1
Philippines
2
Philippines --
1
Prevention
1
Singapore
1
Southeast Asia
4
Southeast Asia --
2
Soviet Union
1
Soviet Union --
1
Sri Lanka
1
Sri Lanka --
1
Thailand
1
United States
13
United States --
5
Vietnam
1
Vietnam --
1