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 14 31.1%
2 China 11 24.4%
3 Germany 5 11.1%
4 Netherlands 4 8.9%
5 Sweden 4 8.9%
6 Taiwan 2 4.4%
7 Korea, Republic of 2 4.4%
8 Czech Republic 2 4.4%
9 United Kingdom 1 2.2%