
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 47 | 60.3% |
2 | United States | 18 | 23.1% |
3 | Germany | 9 | 11.5% |
4 | Australia | 2 | 2.6% |
5 | Canada | 2 | 2.6% |





排名 | 国家/地区 | 数量 | 占比 |
1 | China | 47 | 60.3% |
2 | United States | 18 | 23.1% |
3 | Germany | 9 | 11.5% |
4 | Australia | 2 | 2.6% |
5 | Canada | 2 | 2.6% |