2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 19 | 42.2% |
2 | Iran, Islamic Republic of | 11 | 24.4% |
3 | Germany | 9 | 20% |
4 | Romania | 2 | 4.4% |
5 | Russia | 2 | 4.4% |
6 | United States | 2 | 4.4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 19 | 42.2% |
2 | Iran, Islamic Republic of | 11 | 24.4% |
3 | Germany | 9 | 20% |
4 | Romania | 2 | 4.4% |
5 | Russia | 2 | 4.4% |
6 | United States | 2 | 4.4% |