2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 18 | 48.6% |
2 | Germany | 8 | 21.6% |
3 | Netherlands | 7 | 18.9% |
4 | United States | 4 | 10.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 18 | 48.6% |
2 | Germany | 8 | 21.6% |
3 | Netherlands | 7 | 18.9% |
4 | United States | 4 | 10.8% |