Region
Afghanistan
Afghanistan --
19
United States
11
United States --
10
Pakistan
5
Iran
3
Pakistan --
3
Developing countries
2
Developing countries --
2
Germany
2
Saudi Arabia
2
Arab countries
1
Asia, Central
1
Colombia
1
Colombia --
1
Germany --
1
Indochina
1
Indochina --
1
Iran --
1
Japan
1
Kabul (Afghanistan)
1
Soviet Union
1
Soviet Union --
1
Turkey
1