2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 34 | 61.8% |
2 | United States | 12 | 21.8% |
3 | Germany | 7 | 12.7% |
4 | Switzerland | 1 | 1.8% |
5 | Taiwan | 1 | 1.8% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 34 | 61.8% |
2 | United States | 12 | 21.8% |
3 | Germany | 7 | 12.7% |
4 | Switzerland | 1 | 1.8% |
5 | Taiwan | 1 | 1.8% |