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排名 | 国家/地区 | 数量 | 占比 |
1 | China | 134 | 60.1% |
2 | United States | 53 | 23.8% |
3 | Canada | 21 | 9.4% |
4 | Germany | 6 | 2.7% |
5 | Iran, Islamic Republic of | 4 | 1.8% |
6 | Singapore | 2 | 0.9% |
7 | United Kingdom | 2 | 0.9% |
8 | Norway | 1 | 0.4% |
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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 | 134 | 60.1% |
2 | United States | 53 | 23.8% |
3 | Canada | 21 | 9.4% |
4 | Germany | 6 | 2.7% |
5 | Iran, Islamic Republic of | 4 | 1.8% |
6 | Singapore | 2 | 0.9% |
7 | United Kingdom | 2 | 0.9% |
8 | Norway | 1 | 0.4% |