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- United States123,980
- Canada6,395
- California1,969
- Developing countries1,678
- Washington (D.C.)1,618
- European Union countries1,602
- Europe1,556
- Alaska1,409
- Colorado1,202
- Soviet Union1,202
- Latin America1,179
- China1,036
- New York (State)981
- Washington (State)974
- Oregon916
- Florida914
- Texas900
- Pennsylvania851
- New Mexico792
- Massachusetts760