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 13 36.1%
2 China 10 27.8%
3 Germany 6 16.7%
4 France 4 11.1%
5 Russia 1 2.8%
6 Estonia 1 2.8%
7 Finland 1 2.8%