Region
Tropics
12
Africa, Southern
11
India
11
Asia
9
Southern Africa
8
Africa
6
Africa, Eastern
5
Africa, Central
4
Eastern Africa
4
Africa, West
3
Central Africa
3
West Africa
3
Middle East
2
Nigeria
2
Africa, North
1
Africa, Northeast
1
Australia
1
Bangladesh
1
Chad
1
Deccan
1
Kano State
1
Malawi
1
Mali
1
Namibia
1
Nepal
1
North Africa
1
Northeast Africa
1
Pacific Area
1
Patancheru
1
South America
1
Tamil Nadu
1
Tanzania
1