Region
United States --
5
China
3
China --
3
Developing countries --
3
East Asia --
3
Japan
3
Japan --
3
United States
3
Asia, Southeastern --
2
Indonesia
2
Indonesia --
2
Pacific Area --
2
Asia --
1
Asia, Southeastern
1
Australia
1
Australia --
1
European Union Countries --
1
Hong Kong
1
Hong Kong (China) --
1
Italy --
1
Italy, Northern --
1
Lebanon --
1
Middle East
1
Middle East --
1
Soviet Union --
1
Taiwan
1
Taiwan --
1