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- China30,368
- Great Britain27,504
- Italy24,513
- Japan24,417
- France22,615
- Germany21,921
- Indonesia18,797
- Europe16,975
- India16,575
- Developing countries14,399
- Spain12,239
- Soviet Union11,615
- Brazil10,014
- Mexico9,939
- Latin America9,833
- Canada9,345
- Russia (Federation)7,972
- South Africa7,609
- Africa7,251
- Poland6,812