BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 127 51.4%
2 United States 48 19.4%
3 Germany 28 11.3%
4 Korea, Republic of 15 6.1%
5 Ireland 6 2.4%
6 Hong Kong 5 2%
7 Taiwan 5 2%
8 Canada 4 1.6%
9 United Kingdom 2 0.8%
10 Ecuador 2 0.8%
11 Japan 2 0.8%
12 Mexico 2 0.8%
13 Finland 1 0.4%