2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 234 | 68.6% |
2 | Germany | 44 | 12.9% |
3 | United States | 43 | 12.6% |
4 | Iran, Islamic Republic of | 7 | 2.1% |
5 | Canada | 3 | 0.9% |
6 | Russia | 3 | 0.9% |
7 | Taiwan | 2 | 0.6% |
8 | Japan | 2 | 0.6% |
9 | India | 2 | 0.6% |
10 | Ukraine | 1 | 0.3% |