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 58 50.9%
2 United States 28 24.6%
3 Germany 11 9.6%
4 Canada 4 3.5%
5 Australia 3 2.6%
6 Senegal 3 2.6%
7 United Kingdom 2 1.8%
8 Sweden 1 0.9%
9 Hong Kong 1 0.9%
10 Portugal 1 0.9%
11 Finland 1 0.9%
12 France 1 0.9%