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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 137 | 58.8% |
2 | United States | 68 | 29.2% |
3 | Germany | 12 | 5.2% |
4 | Canada | 11 | 4.7% |
5 | France | 3 | 1.3% |
6 | Japan | 2 | 0.9% |
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![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 137 | 58.8% |
2 | United States | 68 | 29.2% |
3 | Germany | 12 | 5.2% |
4 | Canada | 11 | 4.7% |
5 | France | 3 | 1.3% |
6 | Japan | 2 | 0.9% |