2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 35 | 77.8% |
2 | Germany | 6 | 13.3% |
3 | Switzerland | 2 | 4.4% |
4 | United States | 2 | 4.4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 35 | 77.8% |
2 | Germany | 6 | 13.3% |
3 | Switzerland | 2 | 4.4% |
4 | United States | 2 | 4.4% |