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 21 30%
2 China 17 24.3%
3 Netherlands 15 21.4%
4 Russia 9 12.9%
5 United Kingdom 3 4.3%
6 Germany 3 4.3%
7 Canada 1 1.4%
8 France 1 1.4%