Region
- United States 22 Treffer
- Africa 8 Treffer
- Africa, Sub-Saharan 6 Treffer
- Developing countries 4 Treffer
- India 4 Treffer
- South Africa 4 Treffer
- Africa, East 2 Treffer
- Africa, North 2 Treffer
- Africa, Southern 2 Treffer
- Asia 2 Treffer
- Asia, Central 2 Treffer
- Botswana 2 Treffer
- California 2 Treffer
- Europe, Eastern 2 Treffer
- Middle East 2 Treffer
- Mpumalanga 2 Treffer
- Netherlands 2 Treffer
- Thailand 2 Treffer
- Uganda 2 Treffer
- Western Cape 2 Treffer