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 9 33.3%
2 China 7 25.9%
3 Germany 7 25.9%
4 Brazil 2 7.4%
5 Hong Kong 1 3.7%
6 Netherlands 1 3.7%