2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 18 | 58.1% |
2 | Germany | 8 | 25.8% |
3 | Switzerland | 2 | 6.5% |
4 | United States | 2 | 6.5% |
5 | Netherlands | 1 | 3.2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 18 | 58.1% |
2 | Germany | 8 | 25.8% |
3 | Switzerland | 2 | 6.5% |
4 | United States | 2 | 6.5% |
5 | Netherlands | 1 | 3.2% |