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- United States132,160
- Canada7,766
- California2,223
- European Union countries1,922
- Europe1,768
- Developing countries1,763
- Washington (D.C.)1,689
- Alaska1,520
- Colorado1,360
- Soviet Union1,268
- Latin America1,257
- China1,110
- New York (State)1,103
- Washington (State)1,069
- Texas1,058
- Oregon1,041
- Florida1,039
- European Economic Community countries1,031
- Pennsylvania932
- New Mexico852