2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 16 | 47.1% |
2 | Germany | 8 | 23.5% |
3 | United States | 8 | 23.5% |
4 | Netherlands | 2 | 5.9% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 16 | 47.1% |
2 | Germany | 8 | 23.5% |
3 | United States | 8 | 23.5% |
4 | Netherlands | 2 | 5.9% |