2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 10 | 52.6% |
2 | China | 6 | 31.6% |
3 | Switzerland | 2 | 10.5% |
4 | United Kingdom | 1 | 5.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 10 | 52.6% |
2 | China | 6 | 31.6% |
3 | Switzerland | 2 | 10.5% |
4 | United Kingdom | 1 | 5.3% |