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 72 34.8%
2 United States 55 26.6%
3 Netherlands 23 11.1%
4 Germany 22 10.6%
5 France 11 5.3%
6 Italy 9 4.3%
7 Nigeria 5 2.4%
8 India 4 1.9%
9 Ukraine 3 1.4%
10 United Kingdom 1 0.5%
11 Taiwan 1 0.5%
12 New Zealand 1 0.5%