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 Germany 33 28.4%
2 China 24 20.7%
3 United States 21 18.1%
4 Netherlands 16 13.8%
5 Russia 14 12.1%
6 Hong Kong 3 2.6%
7 Taiwan 2 1.7%
8 Canada 1 0.9%
9 India 1 0.9%
10 Korea, Republic of 1 0.9%