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 27 40.9%
2 Germany 16 24.2%
3 China 13 19.7%
4 France 4 6.1%
5 Netherlands 2 3%
6 Russia 2 3%
7 Spain 1 1.5%
8 Canada 1 1.5%