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 Germany 15 32.6%
2 China 13 28.3%
3 United States 6 13%
4 Nigeria 4 8.7%
5 Norway 2 4.3%
6 Russia 1 2.2%
7 Taiwan 1 2.2%
8 United Kingdom 1 2.2%
9 Australia 1 2.2%
10 India 1 2.2%
11 Netherlands 1 2.2%