2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 9 | 47.4% |
2 | Netherlands | 4 | 21.1% |
3 | United States | 4 | 21.1% |
4 | Germany | 2 | 10.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 9 | 47.4% |
2 | Netherlands | 4 | 21.1% |
3 | United States | 4 | 21.1% |
4 | Germany | 2 | 10.5% |