Region
Africa --
4
Nigeria --
3
Africa
2
Ethiopia --
2
Kenya --
2
Nigeria
2
South Africa
2
South Africa --
2
Sudan
2
Sudan --
2
Africa, Southern --
1
Africa, Sub-Sahara --
1
Arab countries --
1
Asia, Southeastern
1
Asia, Southeastern --
1
Cameroon
1
Cameroon --
1
China --
1
Egypt --
1
France
1
France --
1
Great Britain
1
Great Britain --
1
Japan --
1
Kenya
1
Middle West
1
Mozambique
1
Mozambique --
1
South Asia
1
South Asia --
1
Underdeveloped areas --
1
Yemen
1
Yemen --
1
Zimbabwe
1
Zimbabwe --
1