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 65 36.3%
2 United States 63 35.2%
3 Netherlands 18 10.1%
4 Germany 14 7.8%
5 India 5 2.8%
6 Nigeria 4 2.2%
7 Taiwan 2 1.1%
8 United Kingdom 2 1.1%
9 Japan 2 1.1%
10 France 2 1.1%
11 Spain 1 0.6%
12 Brazil 1 0.6%