Region
East Asia
5
East Asia --
4
Asia
2
Asia --
2
Asia, Southeastern
2
Developing countries --
2
Southeast Asia --
2
Asia, Southeastern --
1
Developing countries
1
Latin America
1
Latin America --
1
Malaysia
1
Malaysia --
1
Pacific Area
1
Pacific Area --
1
Thailand
1
Thailand --
1
United States
1
United States --
1
Vietnam
1
Vietnam --
1