2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 6 | 24% |
2 | United States | 5 | 20% |
3 | Australia | 4 | 16% |
4 | Korea, Democratic People's Republic of | 3 | 12% |
5 | Switzerland | 2 | 8% |
6 | Japan | 2 | 8% |
7 | Turkey | 1 | 4% |
8 | Canada | 1 | 4% |
9 | France | 1 | 4% |