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 37 39.8%
2 United States 24 25.8%
3 Germany 16 17.2%
4 France 4 4.3%
5 Nigeria 4 4.3%
6 Netherlands 3 3.2%
7 India 2 2.2%
8 Russia 1 1.1%
9 Taiwan 1 1.1%
10 Hong Kong 1 1.1%