BPG is committed to discovery and dissemination of knowledge
Total Visits of This Article
2020 | Number of total visits
Rank Countries/Territories Count Percent
1 United States 5 33.3%
2 China 3 20%
3 Germany 3 20%
4 Hong Kong 1 6.7%
5 Korea, Republic of 1 6.7%
6 Russia 1 6.7%
7 Czech Republic 1 6.7%