Region
United States
44
United States --
38
Asia
16
Developing countries --
15
Developing countries
14
Indonesia
14
Indonesia --
14
Asia --
13
China --
10
India
10
China
9
Europe, Eastern
8
Europe, Eastern --
8
India --
8
Latin America
8
Malaysia
8
Asia, Southeastern --
7
East Asia
7
Europe
7
Malaysia --
7
Taiwan
7
East Asia --
6
Europe --
6
Latin America --
6
Arab countries
5
Arab countries --
5
Middle East
5
Middle East --
5
Russia --
5
Taiwan --
5
United states --
5
Africa --
4
Asia, Southeastern
4
Great Britain
4
Islamic countries
4
Islamic countries --
4
Japan
4
Japan --
4
Pakistan
4
Russia
4
South Africa --
4
Thailand
4
Africa
3
Former Soviet republics --
3
Iran
3
Israel --
3
Peru --
3
South Africa
3
South Asia --
3
Southeast Asia --
3
more ...