BPG is committed to discovery and dissemination of knowledge
Total Visits of This Article
2020 | Number of total visits
Rank Countries/Territories Count Percent
1 United States 13 44.8%
2 Germany 5 17.2%
3 China 4 13.8%
4 France 2 6.9%
5 Russia 2 6.9%
6 Taiwan 1 3.4%
7 Canada 1 3.4%
8 Korea, Republic of 1 3.4%