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 United States 43 30.3%
2 Germany 36 25.4%
3 China 34 23.9%
4 Senegal 10 7%
5 India 4 2.8%
6 Ireland 4 2.8%
7 United Kingdom 4 2.8%
8 Canada 3 2.1%
9 Sweden 1 0.7%
10 Ukraine 1 0.7%
11 France 1 0.7%
12 Hong Kong 1 0.7%