2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 32 | 68.1% |
2 | Germany | 10 | 21.3% |
3 | United States | 4 | 8.5% |
4 | Korea, Republic of | 1 | 2.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 32 | 68.1% |
2 | Germany | 10 | 21.3% |
3 | United States | 4 | 8.5% |
4 | Korea, Republic of | 1 | 2.1% |