2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 6 | 27.3% |
2 | Iran, Islamic Republic of | 5 | 22.7% |
3 | Canada | 4 | 18.2% |
4 | United States | 3 | 13.6% |
5 | Germany | 3 | 13.6% |
6 | Netherlands | 1 | 4.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 6 | 27.3% |
2 | Iran, Islamic Republic of | 5 | 22.7% |
3 | Canada | 4 | 18.2% |
4 | United States | 3 | 13.6% |
5 | Germany | 3 | 13.6% |
6 | Netherlands | 1 | 4.5% |