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Subject (Region)
- United States4,466
- Japan324
- Germany309
- Great Britain279
- France253
- Canada190
- Italy162
- New York (State)156
- China151
- India128
- Switzerland113
- Europe100
- Indonesia82
- Germany (West)79
- European Union countries74
- South Africa69
- Massachusetts64
- District of Columbia60
- Philippines56
- Connecticut55