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 United States 29 43.9%
2 Germany 11 16.7%
3 Netherlands 7 10.6%
4 China 6 9.1%
5 Taiwan 3 4.5%
6 Republic of Korea 2 3%
7 India 2 3%
8 Australia 2 3%
9 Japan 1 1.5%
10 Denmark 1 1.5%
11 Finland 1 1.5%
12 United Kingdom 1 1.5%