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 47 28.3%
2 Germany 43 25.9%
3 United States 40 24.1%
4 Senegal 10 6%
5 Netherlands 7 4.2%
6 India 5 3%
7 Ireland 5 3%
8 Canada 3 1.8%
9 United Kingdom 3 1.8%
10 Sweden 1 0.6%
11 Ukraine 1 0.6%
12 Hong Kong 1 0.6%