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 19 20.7%
2 United States 19 20.7%
3 Germany 15 16.3%
4 Russia 8 8.7%
5 Hungary 7 7.6%
6 Mexico 5 5.4%
7 Egypt 4 4.3%
8 United Kingdom 3 3.3%
9 Netherlands 3 3.3%
10 Saudi Arabia 3 3.3%
11 Taiwan 2 2.2%
12 France 2 2.2%
13 Turkey 1 1.1%
14 Poland 1 1.1%