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- United States115,283
- China30,364
- Great Britain28,676
- Japan24,977
- Italy24,394
- France22,497
- Germany22,137
- Europe17,864
- Indonesia17,094
- India16,241
- Developing countries14,256
- Spain12,048
- Soviet Union11,812
- Mexico10,244
- Latin America9,932
- Canada9,686
- Brazil9,642
- Russia (Federation)7,835
- South Africa7,068
- Africa7,024