2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 38 | 65.5% |
2 | Germany | 10 | 17.2% |
3 | Korea, Republic of | 5 | 8.6% |
4 | United States | 5 | 8.6% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 38 | 65.5% |
2 | Germany | 10 | 17.2% |
3 | Korea, Republic of | 5 | 8.6% |
4 | United States | 5 | 8.6% |