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 China 31 34.4%
2 United States 28 31.1%
3 Germany 13 14.4%
4 Netherlands 6 6.7%
5 Romania 3 3.3%
6 Finland 2 2.2%
7 Taiwan 2 2.2%
8 Togo 1 1.1%
9 Saudi Arabia 1 1.1%
10 Hungary 1 1.1%
11 Japan 1 1.1%
12 Malaysia 1 1.1%