Region
United States
8
United States --
6
Middle East
3
Middle East --
3
Lebanon --
2
Afghanistan
1
Afghanistan --
1
Canada --
1
Central America
1
Central America --
1
Chechni·a· (Russia) --
1
China --
1
Developing countries
1
Developing countries --
1
Europe
1
Europe --
1
Iran
1
Iran --
1
Nigeria
1
Northern Ireland --
1
Russia (Federation)
1
South Africa --
1
Southeast Asia
1
United states --
1