2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 18 | 64.3% |
2 | Germany | 5 | 17.9% |
3 | United States | 4 | 14.3% |
4 | Netherlands | 1 | 3.6% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 18 | 64.3% |
2 | Germany | 5 | 17.9% |
3 | United States | 4 | 14.3% |
4 | Netherlands | 1 | 3.6% |