2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 143 | 54.4% |
2 | United States | 51 | 19.4% |
3 | Germany | 44 | 16.7% |
4 | Canada | 12 | 4.6% |
5 | Russia | 4 | 1.5% |
6 | Singapore | 3 | 1.1% |
7 | Korea, Republic of | 3 | 1.1% |
8 | Poland | 1 | 0.4% |
9 | Iran, Islamic Republic of | 1 | 0.4% |
10 | France | 1 | 0.4% |