2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 19 | 43.2% |
2 | United States | 9 | 20.5% |
3 | Germany | 7 | 15.9% |
4 | Australia | 3 | 6.8% |
5 | Cameroon | 2 | 4.5% |
6 | Congo, The Democratic Republic of The | 1 | 2.3% |
7 | Luxembourg | 1 | 2.3% |
8 | Singapore | 1 | 2.3% |
9 | United Kingdom | 1 | 2.3% |