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 41.7%
2 United States 17 35.4%
3 Netherlands 4 8.3%
4 Russia 4 8.3%
5 Spain 1 2.1%
6 Hong Kong 1 2.1%
7 Canada 1 2.1%