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 Germany 28 50.9%
2 United States 12 21.8%
3 Netherlands 8 14.5%
4 Taiwan 4 7.3%
5 Russia 1 1.8%
6 China 1 1.8%
7 France 1 1.8%