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 28 37.3%
2 China 23 30.7%
3 Germany 10 13.3%
4 Netherlands 6 8%
5 New Zealand 2 2.7%
6 Spain 2 2.7%
7 United Kingdom 2 2.7%
8 Korea, Republic of 1 1.3%
9 Finland 1 1.3%