BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 69 65.7%
2 United States 17 16.2%
3 Germany 5 4.8%
4 Russia 3 2.9%
5 Senegal 2 1.9%
6 Taiwan 2 1.9%
7 Hong Kong 2 1.9%
8 Malaysia 2 1.9%
9 United Kingdom 1 1%
10 Australia 1 1%
11 Bolivia, Plurinational State of 1 1%