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 27 37%
2 China 20 27.4%
3 Germany 16 21.9%
4 Netherlands 4 5.5%
5 United Kingdom 1 1.4%
6 Finland 1 1.4%
7 India 1 1.4%
8 Ireland 1 1.4%
9 Mexico 1 1.4%
10 Belgium 1 1.4%