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 7 25.9%
2 Germany 7 25.9%
3 United States 7 25.9%
4 Hong Kong 2 7.4%
5 Netherlands 2 7.4%
6 Ukraine 1 3.7%
7 Brazil 1 3.7%