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 48 32.4%
2 United Kingdom 33 22.3%
3 China 21 14.2%
4 Germany 11 7.4%
5 Russia 11 7.4%
6 France 7 4.7%
7 Taiwan 5 3.4%
8 Estonia 4 2.7%
9 Poland 2 1.4%
10 Ukraine 2 1.4%
11 Turkey 1 0.7%
12 India 1 0.7%
13 Latvia 1 0.7%
14 Netherlands 1 0.7%