BPG致力于知识的发现和传播
Total Visits of This Article
2018 | 总访问次数
排名 国家/地区 数量 占比
1 United States 31 36%
2 Germany 23 26.7%
3 China 16 18.6%
4 Netherlands 7 8.1%
5 Romania 3 3.5%
6 Russia 1 1.2%
7 Saudi Arabia 1 1.2%
8 Finland 1 1.2%
9 Hungary 1 1.2%
10 India 1 1.2%
11 Belgium 1 1.2%