Rhanbarth
- United States 1,597 canlyniadau
- Great Britain 113 canlyniadau
- China 78 canlyniadau
- Europe 74 canlyniadau
- Developing countries 70 canlyniadau
- India 60 canlyniadau
- Africa 55 canlyniadau
- Outer space 48 canlyniadau
- Japan 46 canlyniadau
- California 44 canlyniadau
- New York (State) 39 canlyniadau
- Canada 36 canlyniadau
- Australia 34 canlyniadau
- France 33 canlyniadau
- Asia 32 canlyniadau
- Germany 30 canlyniadau
- England 26 canlyniadau
- West (U.S.) 22 canlyniadau
- Massachusetts 20 canlyniadau
- Middle East 20 canlyniadau
- Texas 20 canlyniadau
- New York 19 canlyniadau
- Colorado 18 canlyniadau
- Kenya 18 canlyniadau
- Mexico 18 canlyniadau
- Netherlands 18 canlyniadau
- European Union countries 16 canlyniadau
- North America 16 canlyniadau
- Washington (State) 16 canlyniadau
- Latin America 14 canlyniadau
- Russia (Federation) 14 canlyniadau
- Soviet Union 14 canlyniadau
- Utah 14 canlyniadau
- Appalachian Region 12 canlyniadau
- Florida 12 canlyniadau
- Michigan 12 canlyniadau
- New Mexico 12 canlyniadau
- Rome 12 canlyniadau
- Alaska 10 canlyniadau
- Hanford Site 10 canlyniadau
- Indonesia 10 canlyniadau
- Italy 10 canlyniadau
- Mexico, Gulf of 10 canlyniadau
- Middle West 10 canlyniadau
- Russia 10 canlyniadau
- Spain 10 canlyniadau
- Africa, North 8 canlyniadau
- Arctic regions 8 canlyniadau
- Brazil 8 canlyniadau
- Minnesota 8 canlyniadau rhagor...