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 25 37.9%
2 China 23 34.8%
3 France 5 7.6%
4 Germany 4 6.1%
5 Russia 3 4.5%
6 Hong Kong 2 3%
7 Japan 1 1.5%
8 Ukraine 1 1.5%
9 Estonia 1 1.5%
10 Viet Nam 1 1.5%