Region
- Africa 4 results
- Africa, Sub-Saharan 2 results
- Benin 2 results
- Botswana 2 results
- Comoros 2 results
- Developing countries 10 results
- European Union countries 4 results
- Germany 2 results
- Germany (West) 2 results
- Great Britain 8 results
- Guam 2 results
- Guines-Bissau 2 results
- India 4 results
- Malaysia 2 results
- Mali 2 results
- Netherlands 2 results
- Serbia 2 results
- Slovakia 2 results
- Sudan 2 results
- Suriname 2 results
- Syria 2 results
- Taiwan 2 results
- Tajikistan 2 results
- Ukraine 2 results
- United Arab Emirates 2 results
- United Kingdom 2 results
- United States 48 results
- Venezuela 2 results
- Vietnam 2 results
- Western Sahara 2 results
- Yemen (Republic) 2 results