2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 39 | 66.1% |
2 | United States | 10 | 16.9% |
3 | Germany | 7 | 11.9% |
4 | Netherlands | 3 | 5.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 39 | 66.1% |
2 | United States | 10 | 16.9% |
3 | Germany | 7 | 11.9% |
4 | Netherlands | 3 | 5.1% |