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 93 36.9%
2 China 84 33.3%
3 Netherlands 30 11.9%
4 Germany 19 7.5%
5 France 9 3.6%
6 India 4 1.6%
7 Nigeria 4 1.6%
8 Taiwan 3 1.2%
9 United Kingdom 2 0.8%
10 Turkey 1 0.4%
11 Ukraine 1 0.4%
12 Japan 1 0.4%
13 Denmark 1 0.4%