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 34 69.4%
2 Germany 6 12.2%
3 China 4 8.2%
4 France 3 6.1%
5 Hong Kong 1 2%
6 United Kingdom 1 2%