Region
United States
United States --
10
Afghanistan
2
Afghanistan --
2
Developing countries
2
Developing countries --
2
Algeria
1
Algeria --
1
Europe
1
Europe --
1
France
1
France --
1
Iran
1
Iran --
1
Islamic countries
1
Islamic countries --
1
Middle East
1
Middle East --
1
Persian Gulf States
1
Saudi Arabia
1
Saudi Arabia --
1