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 166 46.8%
2 China 108 30.4%
3 Germany 26 7.3%
4 France 23 6.5%
5 Netherlands 6 1.7%
6 Malaysia 5 1.4%
7 India 4 1.1%
8 Japan 4 1.1%
9 Finland 4 1.1%
10 Spain 3 0.8%
11 Taiwan 2 0.6%
12 United Kingdom 2 0.6%
13 Brazil 1 0.3%
14 Canada 1 0.3%