Region
- Great Britain 11 results
- New Zealand 8 results
- United States 7 results
- Australia 2 results
- Europe 2 results
- Antarctica 1 results
- Auckland 1 results
- Canterbury 1 results
- China 1 results
- Developing countries 1 results
- England 1 results
- European Economic Community countries 1 results
- Gulf Coast (U.S.) 1 results
- Huntly 1 results
- Louisiana 1 results
- Midlands 1 results
- New Guinea 1 results
- New Orleans 1 results
- Tasmania 1 results
- Wairakei 1 results