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 11 34.4%
2 United States 11 34.4%
3 Germany 4 12.5%
4 Netherlands 2 6.2%
5 Ukraine 2 6.2%
6 Canada 1 3.1%
7 Russia 1 3.1%