Region
ASEAN countries
1
Asia
5
Asia --
3
Asia Pacific
1
Asia, Southeastern
2
Atlantic
1
Atlantic --
1
Australia
1
Developing countries
1
Developing countries --
1
East Asia
1
East Asia --
3
Europe
3
Europe Eastern
1
European Union countries
1
Germany (West)
1
Indonesia --
1
Japan
4
Japan --
1
Korea (South)
2
Korea (South) --
1
Malaysia
5
Southeast Asia --
2
Sumatra
1
Taiwan
1
Taiwan --
1
United States
4