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- United States132,047
- Canada7,671
- California2,202
- European Union countries1,936
- Developing countries1,778
- Europe1,776
- Washington (D.C.)1,636
- Alaska1,495
- Colorado1,340
- Latin America1,260
- Soviet Union1,237
- European Economic Community countries1,168
- New York (State)1,095
- China1,081
- Washington (State)1,069
- Texas1,051
- Oregon1,036
- Florida1,031
- Pennsylvania897
- New Mexico831