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 76 39.2%
2 United States 60 30.9%
3 Germany 23 11.9%
4 United Kingdom 7 3.6%
5 Russia 5 2.6%
6 Senegal 4 2.1%
7 France 3 1.5%
8 Ukraine 3 1.5%
9 India 2 1%
10 Japan 2 1%
11 Netherlands 2 1%
12 Brazil 2 1%
13 Australia 1 0.5%
14 Estonia 1 0.5%
15 Philippines 1 0.5%
16 Italy 1 0.5%
17 Taiwan 1 0.5%