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 32 47.8%
2 Germany 14 20.9%
3 China 7 10.4%
4 Nigeria 4 6%
5 Iran, Islamic Republic of 3 4.5%
6 Macao 2 3%
7 India 1 1.5%
8 Philippines 1 1.5%
9 Sweden 1 1.5%
10 Thailand 1 1.5%
11 United Kingdom 1 1.5%