2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 37 | 50% |
2 | United States | 18 | 24.3% |
3 | Germany | 12 | 16.2% |
4 | Netherlands | 7 | 9.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 37 | 50% |
2 | United States | 18 | 24.3% |
3 | Germany | 12 | 16.2% |
4 | Netherlands | 7 | 9.5% |