2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 18 | 69.2% |
2 | Germany | 5 | 19.2% |
3 | United Kingdom | 2 | 7.7% |
4 | Switzerland | 1 | 3.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 18 | 69.2% |
2 | Germany | 5 | 19.2% |
3 | United Kingdom | 2 | 7.7% |
4 | Switzerland | 1 | 3.8% |