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 65 47.8%
2 United States 52 38.2%
3 Netherlands 13 9.6%
4 Germany 3 2.2%
5 Singapore 2 1.5%
6 Canada 1 0.7%