BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 60 63.2%
2 China 13 13.7%
3 Germany 5 5.3%
4 Hong Kong 5 5.3%
5 Ukraine 4 4.2%
6 Canada 3 3.2%
7 France 2 2.1%
8 Bangladesh 1 1.1%
9 Finland 1 1.1%
10 United Kingdom 1 1.1%