2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 8 | 42.1% |
2 | United States | 7 | 36.8% |
3 | Canada | 2 | 10.5% |
4 | Switzerland | 2 | 10.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 8 | 42.1% |
2 | United States | 7 | 36.8% |
3 | Canada | 2 | 10.5% |
4 | Switzerland | 2 | 10.5% |