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Subject (Region)
- United States25,855
- Great Britain3,821
- Germany1,795
- New York (State)1,429
- France1,310
- California1,307
- Illinois1,273
- England1,046
- Europe976
- China910
- Massachusetts847
- Pennsylvania724
- Ohio692
- Michigan685
- Canada664
- District of Columbia651
- India614
- New York571
- Italy522
- Ontario460