2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 39 | 45.9% |
2 | United States | 14 | 16.5% |
3 | 10 | 11.8% | |
4 | Netherlands | 8 | 9.4% |
5 | Russia | 3 | 3.5% |
6 | France | 3 | 3.5% |
7 | Malaysia | 3 | 3.5% |
8 | Iran, Islamic Republic of | 2 | 2.4% |
9 | Korea, Republic of | 1 | 1.2% |
10 | Germany | 1 | 1.2% |
11 | Canada | 1 | 1.2% |