Regija
- United States 9 results
- Great Britain 4 results
- India 3 results
- Australia 2 results
- Developing countries 2 results
- China 1 results
- Dnieper River 1 results
- Dnieper River Valley 1 results
- Egypt 1 results
- England 1 results
- France 1 results
- Germany 1 results
- Greece 1 results
- Papua New Guinea 1 results
- Snowy River (N.S.W. and Vic.) 1 results
- Southeast Asia 1 results
- Sweden 1 results