Region
United States --
5
India --
3
Malaysia --
3
United States
3
Developing countries --
2
Balkan Penisula
1
Balkan Penisula --
1
Cambodia (Khmer Republic, Kampuchea) --
1
Cambodia --
1
Developing countries
1
India
1
Indonesia --
1
Islamic countries
1
Islamic countries --
1
Libya --
1
Pakistan
1
Pakistan --
1
Persian Gulf Region --
1
Soviet Union --
1
Sudan --
1
Turkey --
1
Yugoslavia --
1