Region
Europe
3
Europe --
3
Iran
2
Middle East
2
Middle East --
2
Saudi Arabia
2
Developing countries --
1
Egypt
1
Ethopia
1
Islamic countries
1
Islamic countries --
1
Malaysia
1
Malaysia --
1
Nigeria
1
Nigeria --
1
Sarawak
1
Sudan
1
Sudan --
1
Turkey --
1
United Kingdom
1
United States
1
United States --
1