BPG致力于知识的发现和传播
Total Visits of This Article
2017 | 总访问次数
排名 国家/地区 数量 占比
1 United States 14 25.5%
2 Netherlands 10 18.2%
3 China 10 18.2%
4 France 6 10.9%
5 Germany 6 10.9%
6 Nigeria 4 7.3%
7 Morocco 2 3.6%
8 Russia 1 1.8%
9 Japan 1 1.8%
10 Latvia 1 1.8%