2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 16 | 43.2% |
2 | China | 10 | 27% |
3 | Germany | 7 | 18.9% |
4 | Netherlands | 4 | 10.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 16 | 43.2% |
2 | China | 10 | 27% |
3 | Germany | 7 | 18.9% |
4 | Netherlands | 4 | 10.8% |