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Subject (Region)
- United States6,580
- Great Britain2,942
- Europe2,182
- France1,623
- Canada1,108
- Mexico1,025
- Spain1,015
- China760
- Germany658
- Japan644
- European Union countries629
- Soviet Union504
- Italy479
- Netherlands408
- North America392
- Turkey363
- Germany (to 1949; 1990- )341
- Colombia337
- Brazil330
- Russia (Federation)323