2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 34 | 68% |
2 | Germany | 7 | 14% |
3 | United States | 6 | 12% |
4 | Korea, Republic of | 2 | 4% |
5 | Taiwan | 1 | 2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 34 | 68% |
2 | Germany | 7 | 14% |
3 | United States | 6 | 12% |
4 | Korea, Republic of | 2 | 4% |
5 | Taiwan | 1 | 2% |