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 56 36.6%
2 United States 46 30.1%
3 Germany 17 11.1%
4 United Kingdom 7 4.6%
5 Russia 5 3.3%
6 Senegal 4 2.6%
7 France 3 2%
8 Ukraine 3 2%
9 India 2 1.3%
10 Japan 2 1.3%
11 Netherlands 2 1.3%
12 Brazil 2 1.3%
13 Australia 1 0.7%
14 Estonia 1 0.7%
15 Philippines 1 0.7%
16 Taiwan 1 0.7%