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 56 58.3%
2 China 19 19.8%
3 Netherlands 9 9.4%
4 Japan 6 6.2%
5 France 2 2.1%
6 Hong Kong 1 1%
7 India 1 1%
8 Russia 1 1%
9 Ukraine 1 1%