Region
United States
60
China
16
Middle East
9
Iran
8
Russia (Federation)
5
Bosnia and Herzegovina
4
European Union countries
4
Saudi Arabia
4
Taiwan
4
Pakistan
3
Caribbean Area
2
Developing countries
2
Israel
2
Latin America
2
Turkey
2
Arab countries
1
Colombia
1
Egypt
1
Former Soviet republics
1
Germany
1
Hungary
1
India
1
Jordan
1
Persian Gulf Region
1
Pāṭa
1
Soviet Union
1
United Arab Emirates
1