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 13 34.2%
2 United States 10 26.3%
3 Russia 5 13.2%
4 Germany 4 10.5%
5 Qatar 2 5.3%
6 Singapore 1 2.6%
7 Spain 1 2.6%
8 Netherlands 1 2.6%
9 Estonia 1 2.6%