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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 116 | 56.9% |
2 | United States | 62 | 30.4% |
3 | Singapore | 9 | 4.4% |
4 | South Africa | 3 | 1.5% |
5 | Ukraine | 3 | 1.5% |
6 | France | 3 | 1.5% |
7 | Germany | 3 | 1.5% |
8 | Japan | 1 | 0.5% |
9 | Mongolia | 1 | 0.5% |
10 | Russia | 1 | 0.5% |
11 | Australia | 1 | 0.5% |
12 | Canada | 1 | 0.5% |
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