2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 23 | 62.2% |
2 | Germany | 10 | 27% |
3 | United States | 3 | 8.1% |
4 | Korea, Republic of | 1 | 2.7% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 23 | 62.2% |
2 | Germany | 10 | 27% |
3 | United States | 3 | 8.1% |
4 | Korea, Republic of | 1 | 2.7% |