2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 22 | 45.8% |
2 | China | 14 | 29.2% |
3 | Germany | 10 | 20.8% |
4 | United Kingdom | 2 | 4.2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 22 | 45.8% |
2 | China | 14 | 29.2% |
3 | Germany | 10 | 20.8% |
4 | United Kingdom | 2 | 4.2% |