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 6 31.6%
2 United States 6 31.6%
3 Russia 2 10.5%
4 Korea, Republic of 2 10.5%
5 Netherlands 1 5.3%
6 Germany 1 5.3%
7 Spain 1 5.3%