2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 12 | 70.6% |
2 | Iran, Islamic Republic of | 2 | 11.8% |
3 | United States | 2 | 11.8% |
4 | Netherlands | 1 | 5.9% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 12 | 70.6% |
2 | Iran, Islamic Republic of | 2 | 11.8% |
3 | United States | 2 | 11.8% |
4 | Netherlands | 1 | 5.9% |