2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 51 | 51% |
2 | United States | 14 | 14% |
3 | Netherlands | 13 | 13% |
4 | Germany | 7 | 7% |
5 | Russia | 5 | 5% |
6 | Canada | 4 | 4% |
7 | Brazil | 2 | 2% |
8 | Norway | 2 | 2% |
9 | United Kingdom | 1 | 1% |
10 | Moldova, Republic of | 1 | 1% |