2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 60 | 60% |
2 | United States | 13 | 13% |
3 | Germany | 8 | 8% |
4 | Netherlands | 6 | 6% |
5 | Russia | 3 | 3% |
6 | Canada | 3 | 3% |
7 | United Kingdom | 2 | 2% |
8 | Korea, Republic of | 2 | 2% |
9 | France | 2 | 2% |
10 | Moldova, Republic of | 1 | 1% |