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 27 47.4%
2 Germany 11 19.3%
3 China 5 8.8%
4 Netherlands 5 8.8%
5 Malaysia 3 5.3%
6 Republic of Korea 2 3.5%
7 Taiwan 1 1.8%
8 United Kingdom 1 1.8%
9 Ireland 1 1.8%
10 Italy 1 1.8%