BPG致力于知识的发现和传播
Total Visits of This Article
2018 | 总访问次数
排名 国家/地区 数量 占比
1 United States 180 40.2%
2 China 167 37.3%
3 Netherlands 34 7.6%
4 Germany 24 5.4%
5 France 17 3.8%
6 United Kingdom 9 2%
7 Taiwan 4 0.9%
8 Romania 3 0.7%
9 Japan 2 0.4%
10 Canada 2 0.4%
11 Egypt 1 0.2%
12 India 1 0.2%
13 Italy 1 0.2%
14 Paraguay 1 0.2%
15 Philippines 1 0.2%
16 Ukraine 1 0.2%