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 China 22 53.7%
2 United States 12 29.3%
3 Netherlands 3 7.3%
4 France 2 4.9%
5 Germany 1 2.4%
6 Singapore 1 2.4%