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 125 51.2%
2 United States 62 25.4%
3 Netherlands 17 7%
4 Germany 14 5.7%
5 United Kingdom 8 3.3%
6 Nigeria 4 1.6%
7 Hong Kong 3 1.2%
8 Taiwan 3 1.2%
9 India 2 0.8%
10 France 2 0.8%
11 Singapore 1 0.4%
12 Ireland 1 0.4%
13 Japan 1 0.4%
14 Korea, Republic of 1 0.4%