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 47 33.3%
2 China 25 17.7%
3 United Kingdom 24 17%
4 Germany 17 12.1%
5 Russia 7 5%
6 France 6 4.3%
7 Ukraine 3 2.1%
8 India 3 2.1%
9 Finland 2 1.4%
10 Taiwan 2 1.4%
11 Canada 1 0.7%
12 Estonia 1 0.7%
13 Mexico 1 0.7%
14 Nigeria 1 0.7%
15 Pakistan 1 0.7%