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 58 51.3%
2 United States 24 21.2%
3 Germany 15 13.3%
4 Netherlands 4 3.5%
5 Romania 3 2.7%
6 Ireland 3 2.7%
7 United Kingdom 2 1.8%
8 Bulgaria 1 0.9%
9 Canada 1 0.9%
10 Japan 1 0.9%
11 Korea, Republic of 1 0.9%