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Subject (Region)
- United States1,267
- Great Britain1,171
- France628
- Mexico614
- China531
- Spain498
- Europe397
- Canada371
- Cuba350
- Japan342
- Nicaragua295
- Germany (to 1949; 1990- )278
- Brazil247
- Colombia237
- Chile235
- Peru234
- Turkey230
- Venezuela230
- Soviet Union (1922-1991)218
- Russia (to 1921)217