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 38 40.9%
2 China 18 19.4%
3 Netherlands 11 11.8%
4 Germany 10 10.8%
5 France 5 5.4%
6 Romania 4 4.3%
7 United Kingdom 4 4.3%
8 Ukraine 2 2.2%
9 Finland 1 1.1%