
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 55 | 57.3% |
2 | United States | 21 | 21.9% |
3 | Germany | 11 | 11.5% |
4 | Serbia | 2 | 2.1% |
5 | Canada | 2 | 2.1% |
6 | Turkey | 2 | 2.1% |
7 | Taiwan | 1 | 1% |
8 | Norway | 1 | 1% |
9 | Romania | 1 | 1% |





排名 | 国家/地区 | 数量 | 占比 |
1 | China | 55 | 57.3% |
2 | United States | 21 | 21.9% |
3 | Germany | 11 | 11.5% |
4 | Serbia | 2 | 2.1% |
5 | Canada | 2 | 2.1% |
6 | Turkey | 2 | 2.1% |
7 | Taiwan | 1 | 1% |
8 | Norway | 1 | 1% |
9 | Romania | 1 | 1% |