2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 31 | 75.6% |
2 | Germany | 6 | 14.6% |
3 | United States | 3 | 7.3% |
4 | Netherlands | 1 | 2.4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 31 | 75.6% |
2 | Germany | 6 | 14.6% |
3 | United States | 3 | 7.3% |
4 | Netherlands | 1 | 2.4% |