2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 40 | 76.9% |
2 | Germany | 7 | 13.5% |
3 | United States | 3 | 5.8% |
4 | Korea, Republic of | 2 | 3.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 40 | 76.9% |
2 | Germany | 7 | 13.5% |
3 | United States | 3 | 5.8% |
4 | Korea, Republic of | 2 | 3.8% |