BPG is committed to discovery and dissemination of knowledge
Total Visits of This Article
2021 | Number of total visits
Rank Countries/Territories Count Percent
1 United States 83 37.6%
2 China 49 22.2%
3 Germany 38 17.2%
4 Netherlands 33 14.9%
5 France 5 2.3%
6 Finland 2 0.9%
7 Australia 2 0.9%
8 Brazil 2 0.9%
9 Bulgaria 1 0.5%
10 Canada 1 0.5%
11 Ireland 1 0.5%
12 Italy 1 0.5%
13 Russia 1 0.5%
14 Taiwan 1 0.5%
15 Ukraine 1 0.5%