10. Japan: $55.3 billion
9. France: $64.7 billion
8. Ukraine: $64.7 billion
7. Saudi Arabia: $80.3 billion
6. United Kingdom: $81.8 billion
5. India: $86.1 billion
4. Germany: $88.5 billion
3. Russia: $149 billion
2. China: $314 billion
1. United States: $997 billion