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 49 34.8%
2 United States 42 29.8%
3 Germany 20 14.2%
4 Netherlands 7 5%
5 5 3.5%
6 Turkey 5 3.5%
7 France 4 2.8%
8 Republic of Korea 2 1.4%
9 Romania 2 1.4%
10 United Kingdom 2 1.4%
11 Taiwan 1 0.7%
12 Philippines 1 0.7%
13 Japan 1 0.7%