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 227 75.2%
2 United States 34 11.3%
3 Germany 16 5.3%
4 Netherlands 7 2.3%
5 Hong Kong 6 2%
6 Nigeria 4 1.3%
7 Taiwan 4 1.3%
8 Viet Nam 1 0.3%
9 India 1 0.3%
10 Ireland 1 0.3%
11 Australia 1 0.3%