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 35 39.3%
2 United States 25 28.1%
3 Germany 16 18%
4 Netherlands 4 4.5%
5 Nigeria 4 4.5%
6 Philippines 1 1.1%
7 Burkina Faso 1 1.1%
8 Hong Kong 1 1.1%
9 India 1 1.1%
10 Korea, Republic of 1 1.1%