Region
- United States 17 results
- Japan 8 results
- New Zealand 5 results
- Soviet Union 4 results
- Europe 3 results
- China 2 results
- Developing countries 2 results
- European Union countries 2 results
- Asia 1 results
- Australia 1 results
- Europe, Eastern 1 results
- European Economic Community countries 1 results
- France 1 results
- Germany 1 results
- Great Britain 1 results
- India 1 results
- Russia (Federation) 1 results