Region
- United States 130 results
- Developing countries 24 results
- Africa 16 results
- Europe 12 results
- Africa, Sub-Saharan 10 results
- Great Britain 10 results
- South Africa 8 results
- Asia 6 results
- California 4 results
- France 4 results
- India 4 results
- Uganda 4 results
- Africa, East 2 results
- Africa, North 2 results
- Africa, Southern 2 results
- Argentina 2 results
- Asia, Central 2 results
- Botswana 2 results
- Canada 2 results
- Caribbean Area 2 results
- Commonwealth countries 2 results
- Ethiopia 2 results
- Europe, Eastern 2 results
- Georgia 2 results
- Germany 2 results
- Japan 2 results
- Kenya 2 results
- Latin America 2 results
- Mediterranean Region 2 results
- Mekong River Delta (Vietnam and Cambodia) 2 results
- Mexico 2 results
- Middle East 2 results
- Mpumalanga 2 results
- Netherlands 2 results
- Nigeria 2 results
- Singapore 2 results
- Southeast Asia 2 results
- Tanzania 2 results
- Texas 2 results
- Thailand 2 results
- Western Cape 2 results