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 United States 90 78.3%
2 Netherlands 8 7%
3 China 7 6.1%
4 Hong Kong 3 2.6%
5 Sweden 2 1.7%
6 Finland 2 1.7%
7 France 2 1.7%
8 Russia 1 0.9%