2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 8 | 36.4% |
2 | Germany | 7 | 31.8% |
3 | United States | 4 | 18.2% |
4 | Netherlands | 3 | 13.6% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 8 | 36.4% |
2 | Germany | 7 | 31.8% |
3 | United States | 4 | 18.2% |
4 | Netherlands | 3 | 13.6% |