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 84 42.2%
2 China 83 41.7%
3 Germany 17 8.5%
4 Nigeria 4 2%
5 United Kingdom 3 1.5%
6 Switzerland 2 1%
7 Australia 1 0.5%
8 Singapore 1 0.5%
9 Hong Kong 1 0.5%
10 India 1 0.5%
11 Ireland 1 0.5%
12 Viet Nam 1 0.5%