Region
China
4
China --
4
United States
4
United States --
3
East Asia --
2
Japan
2
Japan --
2
Africa --
1
Asia
1
Europe
1
European Union Countries --
1
India
1
Islamic countries
1
Middle East
1
Middle East --
1
Russia(Federation)
1
Russia(Federation) --
1
Singapore
1
Singapore --
1
Southeast
1
Southeast Asia --
1