2020 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 52 | 48.1% |
2 | China | 31 | 28.7% |
3 | Germany | 7 | 6.5% |
4 | Iran, Islamic Republic of | 7 | 6.5% |
5 | Hong Kong | 4 | 3.7% |
6 | Taiwan | 3 | 2.8% |
7 | Russia | 2 | 1.9% |
8 | Canada | 1 | 0.9% |
9 | Portugal | 1 | 0.9% |