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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 186 | 68.4% |
2 | United States | 47 | 17.3% |
3 | South Africa | 14 | 5.1% |
4 | Japan | 6 | 2.2% |
5 | Singapore | 6 | 2.2% |
6 | Germany | 4 | 1.5% |
7 | Hong Kong | 3 | 1.1% |
8 | France | 2 | 0.7% |
9 | Canada | 2 | 0.7% |
10 | Mongolia | 1 | 0.4% |
11 | Ukraine | 1 | 0.4% |
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