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 55 37.2%
2 China 24 16.2%
3 United Kingdom 21 14.2%
4 Russia 11 7.4%
5 Germany 10 6.8%
6 Estonia 7 4.7%
7 Taiwan 6 4.1%
8 France 5 3.4%
9 Canada 2 1.4%
10 Poland 2 1.4%
11 Italy 1 0.7%
12 Japan 1 0.7%
13 Latvia 1 0.7%
14 Netherlands 1 0.7%
15 Ukraine 1 0.7%