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 44 28%
2 United States 43 27.4%
3 Germany 35 22.3%
4 Senegal 8 5.1%
5 Ireland 5 3.2%
6 India 4 2.5%
7 Canada 3 1.9%
8 Hong Kong 3 1.9%
9 United Kingdom 3 1.9%
10 Switzerland 2 1.3%
11 Taiwan 2 1.3%
12 Russia 2 1.3%
13 France 1 0.6%
14 Ukraine 1 0.6%
15 Sweden 1 0.6%