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Subject (Region)
- United States32,213
- Japan1,661
- Great Britain1,641
- China1,448
- Indonesia1,256
- California959
- India921
- Germany846
- Canada810
- France798
- Oregon761
- Europe738
- Africa734
- Italy648
- Developing countries570
- Alaska530
- Soviet Union520
- Mexico478
- Florida461
- European Union countries447