Region
Afghanistan
12
Afghanistan --
33
Asia
1
Asia --
1
Colombia
1
Colombia --
1
Developing countries
2
Developing countries --
2
Great Britain
2
Great Britain --
1
Indochina
1
Indochina --
1
Japan
1
Kosovo (Serbia) --
1
Middle East
1
Middle East --
1
Pakistan
3
Pakistan --
3
Panama --
2
Soviet Union
2
Soviet Union --
3
United States
7
United States --
10