BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 152 42%
2 United States 74 20.4%
3 Germany 48 13.3%
4 United Kingdom 20 5.5%
5 Russia 14 3.9%
6 Sweden 13 3.6%
7 Ireland 11 3%
8 South Africa 7 1.9%
9 Thailand 7 1.9%
10 Senegal 5 1.4%
11 Israel 4 1.1%
12 Ukraine 4 1.1%
13 Canada 2 0.6%
14 Finland 1 0.3%