Region
- United States
- China 14 results
- Europe 14 results
- Foreign countries 8 results
- Great Britain 8 results
- Asia 6 results
- Iran 6 results
- Australia 4 results
- Canada 4 results
- Japan 4 results
- Korea (North) 4 results
- Pacific Area 4 results
- Taiwan 4 results
- Africa 2 results
- Asia, Central 2 results
- Former communist countries 2 results
- France 2 results
- Germany 2 results
- Iraq 2 results
- Mediterranean Region 2 results
- Middle East 2 results
- South Asia 2 results
- Soviet Union 2 results
- Spratly Islands 2 results