2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 23 | 76.7% |
2 | Switzerland | 2 | 6.7% |
3 | United States | 2 | 6.7% |
4 | Canada | 2 | 6.7% |
5 | Algeria | 1 | 3.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 23 | 76.7% |
2 | Switzerland | 2 | 6.7% |
3 | United States | 2 | 6.7% |
4 | Canada | 2 | 6.7% |
5 | Algeria | 1 | 3.3% |