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 United States 26 55.3%
2 Canada 4 8.5%
3 China 3 6.4%
4 Russia 3 6.4%
5 Sweden 2 4.3%
6 Hong Kong 2 4.3%
7 Austria 2 4.3%
8 Burkina Faso 2 4.3%
9 Honduras 1 2.1%
10 Italy 1 2.1%
11 Netherlands 1 2.1%