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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 278 | 81.5% |
2 | United States | 55 | 16.1% |
3 | Germany | 3 | 0.9% |
4 | Japan | 2 | 0.6% |
5 | South Africa | 2 | 0.6% |
6 | Singapore | 1 | 0.3% |
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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 | 278 | 81.5% |
2 | United States | 55 | 16.1% |
3 | Germany | 3 | 0.9% |
4 | Japan | 2 | 0.6% |
5 | South Africa | 2 | 0.6% |
6 | Singapore | 1 | 0.3% |