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 31 41.9%
2 China 18 24.3%
3 Germany 9 12.2%
4 Russia 9 12.2%
5 Netherlands 3 4.1%
6 France 2 2.7%
7 India 1 1.4%
8 Canada 1 1.4%