BPG is committed to discovery and dissemination of knowledge
Total Visits of This Article
2021 | Number of total visits
Rank Countries/Territories Count Percent
1 China 9 31%
2 United States 6 20.7%
3 Hong Kong 5 17.2%
4 Russia 3 10.3%
5 Belgium 2 6.9%
6 Poland 2 6.9%
7 Netherlands 1 3.4%
8 Germany 1 3.4%