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 33 35.1%
2 United States 23 24.5%
3 Germany 17 18.1%
4 Japan 5 5.3%
5 India 4 4.3%
6 Nigeria 4 4.3%
7 Netherlands 2 2.1%
8 Cote D'ivoire 2 2.1%
9 Australia 1 1.1%
10 Canada 1 1.1%
11 Poland 1 1.1%
12 Singapore 1 1.1%