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 32 48.5%
2 Germany 17 25.8%
3 China 8 12.1%
4 Russia 4 6.1%
5 France 3 4.5%
6 Hong Kong 1 1.5%
7 Norway 1 1.5%