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 25 45.5%
2 Germany 12 21.8%
3 Russia 4 7.3%
4 United States 4 7.3%
5 France 4 7.3%
6 Australia 2 3.6%
7 Korea, Republic of 2 3.6%
8 Canada 1 1.8%
9 Hong Kong 1 1.8%