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 34 37.8%
2 China 18 20%
3 Germany 14 15.6%
4 Taiwan 7 7.8%
5 Nigeria 4 4.4%
6 Romania 4 4.4%
7 Netherlands 3 3.3%
8 Singapore 2 2.2%
9 Palestine, State of 1 1.1%
10 India 1 1.1%
11 Australia 1 1.1%
12 Canada 1 1.1%