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 Germany 5 29.4%
2 United States 5 29.4%
3 China 3 17.6%
4 Hong Kong 2 11.8%
5 Norway 1 5.9%
6 Russia 1 5.9%