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 United States 36 34.3%
2 Germany 26 24.8%
3 China 25 23.8%
4 India 4 3.8%
5 Netherlands 4 3.8%
6 France 3 2.9%
7 Taiwan 2 1.9%
8 Turkey 1 1%
9 Canada 1 1%
10 Greece 1 1%
11 Republic of Korea 1 1%
12 Russia 1 1%