2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 17 | 45.9% |
2 | Germany | 10 | 27% |
3 | Netherlands | 8 | 21.6% |
4 | United States | 2 | 5.4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 17 | 45.9% |
2 | Germany | 10 | 27% |
3 | Netherlands | 8 | 21.6% |
4 | United States | 2 | 5.4% |