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 45 34.6%
2 United Kingdom 24 18.5%
3 China 14 10.8%
4 Russia 14 10.8%
5 Germany 11 8.5%
6 India 6 4.6%
7 France 6 4.6%
8 Senegal 3 2.3%
9 Ukraine 1 0.8%
10 Estonia 1 0.8%
11 Finland 1 0.8%
12 Korea, Republic of 1 0.8%
13 Moldova, Republic of 1 0.8%
14 Poland 1 0.8%
15 Romania 1 0.8%