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 16 34.8%
2 United States 15 32.6%
3 Netherlands 9 19.6%
4 Japan 3 6.5%
5 Germany 2 4.3%
6 Canada 1 2.2%