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 39 53.4%
2 Germany 15 20.5%
3 China 10 13.7%
4 Nigeria 4 5.5%
5 United Kingdom 1 1.4%
6 Hong Kong 1 1.4%
7 India 1 1.4%
8 Madagascar 1 1.4%
9 Netherlands 1 1.4%