2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 62 | 61.4% |
2 | Germany | 10 | 9.9% |
3 | Korea, Republic of | 7 | 6.9% |
4 | United States | 7 | 6.9% |
5 | Netherlands | 6 | 5.9% |
6 | Russia | 5 | 5% |
7 | France | 2 | 2% |
8 | United Kingdom | 1 | 1% |
9 | Norway | 1 | 1% |