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 7 29.2%
2 Germany 5 20.8%
3 China 4 16.7%
4 Russia 3 12.5%
5 United Kingdom 2 8.3%
6 Netherlands 2 8.3%
7 Korea, Republic of 1 4.2%