2020 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 56 | 65.9% |
2 | United States | 23 | 27.1% |
3 | Germany | 3 | 3.5% |
4 | France | 2 | 2.4% |
5 | Iran, Islamic Republic of | 1 | 1.2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 56 | 65.9% |
2 | United States | 23 | 27.1% |
3 | Germany | 3 | 3.5% |
4 | France | 2 | 2.4% |
5 | Iran, Islamic Republic of | 1 | 1.2% |