2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 42 | 53.2% |
2 | United States | 15 | 19% |
3 | Germany | 10 | 12.7% |
4 | Netherlands | 6 | 7.6% |
5 | France | 6 | 7.6% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 42 | 53.2% |
2 | United States | 15 | 19% |
3 | Germany | 10 | 12.7% |
4 | Netherlands | 6 | 7.6% |
5 | France | 6 | 7.6% |