Skip to search
Skip to main content
- United States133,340
- Canada7,862
- California2,229
- Developing countries1,770
- Washington (D.C.)1,697
- Europe1,687
- Alaska1,524
- Colorado1,361
- Soviet Union1,276
- Latin America1,264
- European Economic Community countries1,120
- China1,110
- New York (State)1,106
- Washington (State)1,075
- Texas1,061
- Oregon1,044
- Florida1,039
- Pennsylvania933
- New Mexico853
- Arizona826