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 83 41.1%
2 United States 59 29.2%
3 Germany 22 10.9%
4 United Kingdom 7 3.5%
5 Netherlands 6 3%
6 Senegal 4 2%
7 France 3 1.5%
8 Russia 3 1.5%
9 India 3 1.5%
10 Japan 3 1.5%
11 Estonia 2 1%
12 Chile 2 1%
13 Argentina 1 0.5%
14 Norway 1 0.5%
15 Philippines 1 0.5%
16 Taiwan 1 0.5%
17 Ukraine 1 0.5%