2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 20 | 30.8% |
2 | Germany | 10 | 15.4% |
3 | Japan | 9 | 13.8% |
4 | United Kingdom | 7 | 10.8% |
5 | Russia | 5 | 7.7% |
6 | India | 4 | 6.2% |
7 | Iran, Islamic Republic of | 4 | 6.2% |
8 | United States | 3 | 4.6% |
9 | Ukraine | 2 | 3.1% |
10 | Netherlands | 1 | 1.5% |