Region
Europe --
United States --
Europe
21
United States
19
Algeria
1
Algeria --
1
Canada --
1
Developing countries
1
Developing countries --
1
Egypt
1
Egypt --
1
European Union Countries --
1
France
1
France --
1
Germany (West) --
1
Islamic countries
1
Islamic countries --
1
Israel
1
Israel --
1
Lebanon --
1
Middle East
1
Middle East --
1
Turkey --
1