Region
United States
26
India
5
Africa, Sub-Saharan
3
South Africa
3
Developing countries
2
Tanzania
2
Africa
1
California
1
China
1
East (U.S.)
1
England
1
Europe
1
Europe, Eastern
1
Europe, Southern
1
Great Britain
1
Italy
1
Mexican-American Border Region
1
Mexico
1
Mississippi
1
New Zealand
1
Wales
1
Western countries
1