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 19 40.4%
2 Germany 12 25.5%
3 China 7 14.9%
4 France 7 14.9%
5 Hong Kong 1 2.1%
6 United Kingdom 1 2.1%