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 15 28.8%
2 China 12 23.1%
3 Germany 11 21.2%
4 Netherlands 4 7.7%
5 Russia 2 3.8%
6 Canada 2 3.8%
7 Greece 2 3.8%
8 Italy 2 3.8%
9 France 1 1.9%
10 Spain 1 1.9%