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 9 32.1%
2 China 8 28.6%
3 Germany 7 25%
4 France 2 7.1%
5 Hong Kong 1 3.6%
6 Norway 1 3.6%