BPG is committed to discovery and dissemination of knowledge
Total Visits of This Article
2018 | Number of total visits
Rank Countries/Territories Count Percent
1 United States 15 36.6%
2 China 14 34.1%
3 Germany 5 12.2%
4 5 12.2%
5 Netherlands 1 2.4%
6 Republic of Korea 1 2.4%