2020 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 23 | 35.9% |
2 | China | 12 | 18.8% |
3 | Iran, Islamic Republic of | 4 | 6.2% |
4 | Canada | 4 | 6.2% |
5 | Serbia | 4 | 6.2% |
6 | Japan | 3 | 4.7% |
7 | Czech Republic | 2 | 3.1% |
8 | Bangladesh | 2 | 3.1% |
9 | Brazil | 2 | 3.1% |
10 | Romania | 2 | 3.1% |
11 | Russia | 2 | 3.1% |
12 | Singapore | 1 | 1.6% |
13 | Australia | 1 | 1.6% |
14 | Hong Kong | 1 | 1.6% |
15 | Mexico | 1 | 1.6% |