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 9 33.3%
2 China 5 18.5%
3 Finland 5 18.5%
4 France 2 7.4%
5 Netherlands 2 7.4%
6 Russia 2 7.4%
7 Hong Kong 1 3.7%
8 Korea, Republic of 1 3.7%