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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 143 | 53% |
2 | United States | 84 | 31.1% |
3 | Germany | 15 | 5.6% |
4 | France | 5 | 1.9% |
5 | Japan | 5 | 1.9% |
6 | Canada | 3 | 1.1% |
7 | Chile | 2 | 0.7% |
8 | Lithuania | 2 | 0.7% |
9 | Mongolia | 2 | 0.7% |
10 | Nigeria | 2 | 0.7% |
11 | Philippines | 2 | 0.7% |
12 | Singapore | 2 | 0.7% |
13 | Ukraine | 2 | 0.7% |
14 | India | 1 | 0.4% |
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