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 53 34.2%
2 United States 38 24.5%
3 Germany 35 22.6%
4 Senegal 10 6.5%
5 India 4 2.6%
6 Ireland 4 2.6%
7 Canada 4 2.6%
8 United Kingdom 2 1.3%
9 Hong Kong 2 1.3%
10 Sweden 1 0.6%
11 Turkey 1 0.6%
12 Ukraine 1 0.6%