Region
- Africa 2 results
- Armenia 2 results
- Asia 2 results
- Asia, Central 10 results
- Balkan Peninsula 2 results
- Canada 8 results
- Caribbean Area 2 results
- China 6 results
- Costa Rica 2 results
- Côte d'Ivoire 2 results
- Developing countries 4 results
- Europe 6 results
- Europe, Eastern 6 results
- European Union countries 4 results
- France 2 results
- Georgia (Republic) 2 results
- Germany 2 results
- Great Britain 6 results
- India 12 results
- Kenya 2 results
- Latin America 8 results
- Mauritius 2 results
- Mediterranean Region 2 results
- Mexico 6 results
- New York (State) 4 results
- New York Metropolitan Area 2 results
- Nigeria 2 results
- Potsdam Region 2 results
- Potsdam Region (N.Y.) 2 results
- Punjab 2 results
- Russia 4 results
- Russie 2 results
- Russland 2 results
- Sacramento Municipal Utility District (Calif.) 2 results
- Saint Lawrence County 2 results
- South Africa 2 results
- Soviet Union 8 results
- Sowjetunion 2 results
- Tajikistan 2 results
- Tehuantepec, Isthmus of 4 results
- Tennessee River Valley 2 results
- Turkey 2 results
- URSS 2 results
- United States 90 results
- Zelenograd (Russia) 2 results