BPG is committed to discovery and dissemination of knowledge
Total Visits of This Article
2022 | Number of total visits
Rank Countries/Territories Count Percent
1 United States 20 44.4%
2 China 12 26.7%
3 Netherlands 6 13.3%
4 Hong Kong 4 8.9%
5 France 2 4.4%
6 Canada 1 2.2%