BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 393 70.7%
2 United States 70 12.6%
3 Germany 48 8.6%
4 China 22 4%
5 France 7 1.3%
6 Russia 3 0.5%
7 Ireland 3 0.5%
8 Netherlands 2 0.4%
9 Estonia 2 0.4%
10 India 1 0.2%
11 Poland 1 0.2%
12 Latvia 1 0.2%
13 Turkey 1 0.2%
14 Ukraine 1 0.2%
15 United Kingdom 1 0.2%