Region
United States
8
United States --
6
Middle East
3
Middle East --
2
Afghanistan
1
Afghanistan --
1
Africa, Northeast
1
Armenia (Republic)
1
Armenia (Republic) --
1
Azerbaijan
1
Azerbaijan --
1
Caucasus, Northern
1
Central America
1
Developing countries
1
Developing countries --
1
Libya
1
Libya --
1
Russia(Federation) --
1
Somalia
1
Sudan --
1
United states --
1
Yemen
1
Yunan
1