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- United States109,659
- China30,962
- Great Britain29,183
- Japan25,659
- Italy24,683
- France22,881
- Germany22,381
- Indonesia18,806
- Europe17,894
- India16,689
- Developing countries14,044
- Spain12,287
- Soviet Union11,817
- Mexico10,537
- Brazil10,105
- Latin America9,956
- Canada8,894
- Russia (Federation)8,089
- South Africa7,660
- Africa7,135