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 46 37.4%
2 United States 34 27.6%
3 Netherlands 9 7.3%
4 Germany 8 6.5%
5 Philippines 5 4.1%
6 Senegal 4 3.3%
7 Sweden 4 3.3%
8 Taiwan 3 2.4%
9 Russia 3 2.4%
10 Hong Kong 2 1.6%
11 Moldova, Republic of 2 1.6%
12 Ethiopia 2 1.6%
13 France 1 0.8%