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 63 47%
2 China 39 29.1%
3 Germany 6 4.5%
4 Netherlands 6 4.5%
5 France 5 3.7%
6 Finland 4 3%
7 United Kingdom 3 2.2%
8 Republic of Korea 1 0.7%
9 Australia 1 0.7%
10 Belgium 1 0.7%
11 Canada 1 0.7%
12 Hong Kong 1 0.7%
13 Ireland 1 0.7%
14 Italy 1 0.7%
15 Japan 1 0.7%