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 United States 46 41.1%
2 China 32 28.6%
3 Germany 11 9.8%
4 Netherlands 9 8%
5 Australia 3 2.7%
6 Canada 3 2.7%
7 Hong Kong 3 2.7%
8 France 2 1.8%
9 Russia 1 0.9%
10 Taiwan 1 0.9%
11 Ukraine 1 0.9%