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 49 47.6%
2 United States 30 29.1%
3 Netherlands 17 16.5%
4 Russia 2 1.9%
5 Malaysia 2 1.9%
6 France 1 1%
7 Germany 1 1%
8 Japan 1 1%