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 51 66.2%
2 China 5 6.5%
3 Ukraine 4 5.2%
4 France 3 3.9%
5 Netherlands 3 3.9%
6 Senegal 3 3.9%
7 Portugal 2 2.6%
8 India 2 2.6%
9 Ireland 1 1.3%
10 Germany 1 1.3%
11 Republic of Korea 1 1.3%
12 Argentina 1 1.3%