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 China 172 68.8%
2 United States 30 12%
3 Germany 19 7.6%
4 Taiwan 11 4.4%
5 Nigeria 4 1.6%
6 India 4 1.6%
7 Ireland 2 0.8%
8 Korea, Republic of 2 0.8%
9 Macao 1 0.4%
10 Norway 1 0.4%
11 Sweden 1 0.4%
12 Ukraine 1 0.4%
13 United Kingdom 1 0.4%
14 Bolivia, Plurinational State of 1 0.4%