BPG致力于知识的发现和传播
Total Visits of This Article
2018 | 总访问次数
排名 国家/地区 数量 占比
1 China 55 42.6%
2 United States 41 31.8%
3 Germany 14 10.9%
4 Netherlands 4 3.1%
5 Turkey 4 3.1%
6 Romania 3 2.3%
7 Israel 2 1.6%
8 Italy 1 0.8%
9 Morocco 1 0.8%
10 Denmark 1 0.8%
11 Finland 1 0.8%
12 United Kingdom 1 0.8%
13 Austria 1 0.8%