2021 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 32 | 57.1% |
2 | United States | 11 | 19.6% |
3 | Germany | 4 | 7.1% |
4 | Denmark | 3 | 5.4% |
5 | Switzerland | 2 | 3.6% |
6 | Turkey | 1 | 1.8% |
7 | Italy | 1 | 1.8% |
8 | Canada | 1 | 1.8% |
9 | Congo, The Democratic Republic of The | 1 | 1.8% |