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 40 44%
2 China 24 26.4%
3 Russia 4 4.4%
4 Sweden 3 3.3%
5 Bangladesh 3 3.3%
6 Netherlands 3 3.3%
7 Philippines 3 3.3%
8 Brazil 2 2.2%
9 France 2 2.2%
10 Germany 2 2.2%
11 Mauritius 2 2.2%
12 Moldova, Republic of 2 2.2%
13 Austria 1 1.1%