Region
China --
15
China
7
United States
3
United States --
3
Asia
2
Asia --
2
Australia --
2
India
2
India --
2
Malaysia --
2
Pakistan
2
Pakistan --
2
South Asia
2
South Asia --
2
Soviet Union
2
Soviet Union --
2
Asia, Southeastern
1
Asia, Southeastern --
1
Australia
1
East Asia --
1
Japan --
1
Korea --
1
Malaya --
1
Malaysia
1
Taiwan --
1