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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 258 | 75.4% |
2 | United States | 52 | 15.2% |
3 | Singapore | 9 | 2.6% |
4 | Japan | 8 | 2.3% |
5 | South Africa | 4 | 1.2% |
6 | United Kingdom | 3 | 0.9% |
7 | France | 3 | 0.9% |
8 | Germany | 2 | 0.6% |
9 | Argentina | 2 | 0.6% |
10 | Mongolia | 1 | 0.3% |
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