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 94 37.3%
2 United States 73 29%
3 Germany 35 13.9%
4 Senegal 13 5.2%
5 Netherlands 12 4.8%
6 India 5 2%
7 Ireland 5 2%
8 Japan 3 1.2%
9 Canada 3 1.2%
10 United Kingdom 2 0.8%
11 Russia 2 0.8%
12 Hong Kong 2 0.8%
13 Czech Republic 1 0.4%
14 Sweden 1 0.4%
15 Ukraine 1 0.4%