2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 167 | 43.9% |
2 | United States | 158 | 41.6% |
3 | Germany | 34 | 8.9% |
4 | Netherlands | 7 | 1.8% |
5 | France | 4 | 1.1% |
6 | Korea, Republic of | 3 | 0.8% |
7 | Singapore | 2 | 0.5% |
8 | Taiwan | 2 | 0.5% |
9 | Tajikistan | 2 | 0.5% |
10 | 1 | 0.3% |