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 60 48.8%
2 Germany 25 20.3%
3 China 23 18.7%
4 Netherlands 7 5.7%
5 Hong Kong 2 1.6%
6 France 2 1.6%
7 Canada 2 1.6%
8 Australia 1 0.8%
9 Korea, Republic of 1 0.8%