![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 268 | 78.8% |
2 | United States | 63 | 18.5% |
3 | Canada | 2 | 0.6% |
4 | Switzerland | 2 | 0.6% |
5 | Germany | 2 | 0.6% |
6 | Netherlands | 2 | 0.6% |
7 | Singapore | 1 | 0.3% |
![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
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![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 268 | 78.8% |
2 | United States | 63 | 18.5% |
3 | Canada | 2 | 0.6% |
4 | Switzerland | 2 | 0.6% |
5 | Germany | 2 | 0.6% |
6 | Netherlands | 2 | 0.6% |
7 | Singapore | 1 | 0.3% |