Region
East Asia
4
Africa
3
Africa --
2
Africa, Sub-Sahara
2
Africa, Sub-Saharan
2
Asia
2
Asia --
2
Asia, Southeastern
2
East Asia --
2
ASEAN countries
1
Canada --
1
Central America
1
Central America --
1
China
1
China --
1
Developing countries
1
Ghana
1
India
1
Japan
1
Korea (South)
1
Korea (South) --
1
Latin America
1
Latin America --
1
Pacific Area
1
Pacific Area --
1
Tunisia
1
Tunisia --
1
United States
1
United States --
1
Vietnam
1