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- United States20,661
- China7,857
- Great Britain7,154
- Germany4,388
- France4,248
- Italy4,082
- Europe3,859
- Indonesia3,770
- Latin America3,383
- Mexico3,322
- India3,246
- Soviet Union3,017
- Africa3,010
- Brazil2,910
- Spain2,855
- Developing countries2,637
- Russia (Federation)2,264
- Argentina2,192
- Canada2,105
- South Africa1,804