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 107 40.7%
2 United States 83 31.6%
3 Netherlands 21 8%
4 Germany 19 7.2%
5 France 10 3.8%
6 Nigeria 4 1.5%
7 Australia 3 1.1%
8 Hong Kong 3 1.1%
9 India 3 1.1%
10 Japan 2 0.8%
11 Russia 2 0.8%
12 Taiwan 1 0.4%
13 Ukraine 1 0.4%
14 United Kingdom 1 0.4%
15 Romania 1 0.4%
16 Korea, Republic of 1 0.4%
17 Canada 1 0.4%