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 20 62.5%
2 Germany 4 12.5%
3 China 2 6.2%
4 France 2 6.2%
5 Russia 2 6.2%
6 United Kingdom 1 3.1%
7 Hong Kong 1 3.1%