Region
China
China --
19
United States
3
United States --
3
Communist countries --
2
Europe, Eastern
2
Europe, Eastern --
2
Former Soviet republics --
2
Australia
1
Australia --
1
China, Southeast --
1
Hong Kong
1
Hong Kong --
1
Japan
1
Japan --
1
Taiwan
1
Taiwan --
1
Western countries
1
Western countries --
1