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 92 37.9%
2 United States 66 27.2%
3 Netherlands 24 9.9%
4 Germany 22 9.1%
5 France 10 4.1%
6 Nigeria 5 2.1%
7 Taiwan 5 2.1%
8 Cote D'ivoire 5 2.1%
9 India 3 1.2%
10 Ukraine 3 1.2%
11 Japan 2 0.8%
12 Canada 2 0.8%
13 Australia 1 0.4%
14 Malaysia 1 0.4%
15 United Kingdom 1 0.4%
16 Sweden 1 0.4%