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Subject (Region)
- United States61,122
- Great Britain9,200
- Germany6,326
- France5,890
- Japan5,888
- China5,233
- Italy4,681
- Canada4,113
- Indonesia3,135
- Mexico3,018
- Europe2,893
- India2,826
- California2,679
- England2,436
- Soviet Union2,316
- Brazil2,086
- Spain1,922
- Developing countries1,475
- Russia (Federation)1,350
- Australia1,332