2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 24 | 53.3% |
2 | Germany | 8 | 17.8% |
3 | United States | 6 | 13.3% |
4 | Iran, Islamic Republic of | 3 | 6.7% |
5 | Taiwan | 3 | 6.7% |
6 | France | 1 | 2.2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 24 | 53.3% |
2 | Germany | 8 | 17.8% |
3 | United States | 6 | 13.3% |
4 | Iran, Islamic Republic of | 3 | 6.7% |
5 | Taiwan | 3 | 6.7% |
6 | France | 1 | 2.2% |