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 21 36.8%
2 Germany 12 21.1%
3 China 11 19.3%
4 Netherlands 3 5.3%
5 Romania 3 5.3%
6 Republic of Korea 2 3.5%
7 Peru 1 1.8%
8 India 1 1.8%
9 Ireland 1 1.8%
10 Korea, Republic of 1 1.8%
11 United Kingdom 1 1.8%