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 China 5 26.3%
2 Germany 4 21.1%
3 United States 4 21.1%
4 Hong Kong 2 10.5%
5 Russia 2 10.5%
6 United Kingdom 2 10.5%