2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 49 | 49% |
2 | United States | 22 | 22% |
3 | Netherlands | 8 | 8% |
4 | Canada | 6 | 6% |
5 | Korea, Republic of | 6 | 6% |
6 | France | 2 | 2% |
7 | Germany | 2 | 2% |
8 | Taiwan | 2 | 2% |
9 | Indonesia | 1 | 1% |
10 | Japan | 1 | 1% |
11 | South Africa | 1 | 1% |