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 56 33.5%
2 China 48 28.7%
3 Germany 25 15%
4 Netherlands 17 10.2%
5 Philippines 5 3%
6 Russia 5 3%
7 Sweden 5 3%
8 Senegal 4 2.4%
9 Moldova, Republic of 2 1.2%