2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 25 | 62.5% |
2 | Germany | 7 | 17.5% |
3 | United States | 4 | 10% |
4 | Canada | 2 | 5% |
5 | Switzerland | 2 | 5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 25 | 62.5% |
2 | Germany | 7 | 17.5% |
3 | United States | 4 | 10% |
4 | Canada | 2 | 5% |
5 | Switzerland | 2 | 5% |