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 China 20 46.5%
2 United States 11 25.6%
3 Netherlands 4 9.3%
4 Switzerland 3 7%
5 Hong Kong 2 4.7%
6 Italy 2 4.7%
7 Canada 1 2.3%