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 35 34.3%
2 United States 22 21.6%
3 Germany 14 13.7%
4 France 9 8.8%
5 Netherlands 7 6.9%
6 Nigeria 7 6.9%
7 India 4 3.9%
8 Japan 1 1%
9 Russia 1 1%
10 United Kingdom 1 1%
11 Hong Kong 1 1%