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 China 36 40.4%
2 United States 22 24.7%
3 Germany 19 21.3%
4 Nigeria 4 4.5%
5 Netherlands 3 3.4%
6 United Kingdom 2 2.2%
7 Australia 1 1.1%
8 India 1 1.1%
9 France 1 1.1%