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 32 46.4%
2 Germany 14 20.3%
3 United States 12 17.4%
4 Netherlands 3 4.3%
5 Nigeria 3 4.3%
6 Taiwan 1 1.4%
7 India 1 1.4%
8 Australia 1 1.4%
9 Brazil 1 1.4%
10 Canada 1 1.4%