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- Soviet Union27,957
- Pennsylvania27,742
- Scotland27,015
- Connecticut21,737
- Philippines21,364
- Texas21,201
- Mexico20,682
- Developing countries20,680
- European Union countries18,082
- Spain18,010
- Asia17,878
- Nigeria17,463
- Greece16,756
- Latin America16,466
- Middle East15,504
- Illinois15,359
- District of Columbia15,146
- Alaska14,936
- Virginia14,255
- Rome14,162