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 61 33.9%
2 China 40 22.2%
3 Netherlands 20 11.1%
4 Germany 17 9.4%
5 Canada 11 6.1%
6 Sweden 10 5.6%
7 Malaysia 6 3.3%
8 Indonesia 5 2.8%
9 France 5 2.8%
10 Taiwan 3 1.7%
11 Japan 2 1.1%