2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 13 | 50% |
2 | Germany | 7 | 26.9% |
3 | Netherlands | 3 | 11.5% |
4 | United States | 3 | 11.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 13 | 50% |
2 | Germany | 7 | 26.9% |
3 | Netherlands | 3 | 11.5% |
4 | United States | 3 | 11.5% |