Region
China
United States --
23
China --
22
United States
21
Japan
2
Japan --
2
Taiwan --
2
Asia
1
Asia --
1
Asia, Southeastern
1
Asia, Southeastern --
1
European Union
1
European Union --
1
European Union countries --
1
European union countries
1
India
1
India --
1
Pakistan
1
Pakistan --
1
South Asia
1
South Asia --
1
Soviet Union
1
Taiwan
1
United states --
1