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 37 33.3%
2 United States 36 32.4%
3 Germany 13 11.7%
4 Senegal 6 5.4%
5 Hong Kong 5 4.5%
6 India 2 1.8%
7 Canada 2 1.8%
8 Taiwan 2 1.8%
9 Japan 1 0.9%
10 Malaysia 1 0.9%
11 Portugal 1 0.9%
12 Singapore 1 0.9%
13 Sweden 1 0.9%
14 Australia 1 0.9%
15 Austria 1 0.9%
16 Bulgaria 1 0.9%