2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 160 | 57.3% |
2 | United States | 50 | 17.9% |
3 | Germany | 29 | 10.4% |
4 | Canada | 23 | 8.2% |
5 | Taiwan | 4 | 1.4% |
6 | Iran, Islamic Republic of | 3 | 1.1% |
7 | Japan | 3 | 1.1% |
8 | Denmark | 2 | 0.7% |
9 | Singapore | 2 | 0.7% |
10 | Finland | 1 | 0.4% |
11 | France | 1 | 0.4% |
12 | Morocco | 1 | 0.4% |