2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 14 | 48.3% |
2 | United States | 7 | 24.1% |
3 | Germany | 4 | 13.8% |
4 | Netherlands | 4 | 13.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 14 | 48.3% |
2 | United States | 7 | 24.1% |
3 | Germany | 4 | 13.8% |
4 | Netherlands | 4 | 13.8% |