2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 19 | 57.6% |
2 | Germany | 7 | 21.2% |
3 | United States | 4 | 12.1% |
4 | Netherlands | 3 | 9.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 19 | 57.6% |
2 | Germany | 7 | 21.2% |
3 | United States | 4 | 12.1% |
4 | Netherlands | 3 | 9.1% |