2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 16 | 51.6% |
2 | United States | 8 | 25.8% |
3 | Germany | 5 | 16.1% |
4 | United Kingdom | 2 | 6.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 16 | 51.6% |
2 | United States | 8 | 25.8% |
3 | Germany | 5 | 16.1% |
4 | United Kingdom | 2 | 6.5% |