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 15 30.6%
2 Germany 12 24.5%
3 China 9 18.4%
4 Nigeria 4 8.2%
5 Argentina 3 6.1%
6 Australia 1 2%
7 France 1 2%
8 Poland 1 2%
9 United Arab Emirates 1 2%
10 India 1 2%
11 Ireland 1 2%