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Subject (Region)
- United States1,848
- Japan581
- Italy501
- China486
- Germany440
- Great Britain422
- France381
- Indonesia381
- Soviet Union322
- Brazil253
- India231
- Mexico230
- Developing countries208
- Spain205
- Europe204
- Russia (Federation)164
- South Africa145
- Canada126
- Germany (West)125
- Argentina120