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 77 53.1%
2 Germany 17 11.7%
3 China 15 10.3%
4 Canada 10 6.9%
5 Australia 6 4.1%
6 Japan 5 3.4%
7 Nigeria 4 2.8%
8 Philippines 2 1.4%
9 Taiwan 2 1.4%
10 United Kingdom 2 1.4%
11 Argentina 2 1.4%
12 Korea, Democratic People's Republic of 1 0.7%
13 Hong Kong 1 0.7%
14 India 1 0.7%