2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 189 | 61.6% |
2 | United States | 57 | 18.6% |
3 | Germany | 39 | 12.7% |
4 | Canada | 7 | 2.3% |
5 | Korea, Republic of | 6 | 2% |
6 | Netherlands | 4 | 1.3% |
7 | Singapore | 2 | 0.7% |
8 | France | 2 | 0.7% |
9 | Ukraine | 1 | 0.3% |