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 18 46.2%
2 Germany 6 15.4%
3 China 4 10.3%
4 Nigeria 4 10.3%
5 Philippines 2 5.1%
6 Australia 2 5.1%
7 Canada 1 2.6%
8 Hong Kong 1 2.6%
9 Taiwan 1 2.6%