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 44 60.3%
2 China 9 12.3%
3 Germany 5 6.8%
4 Netherlands 4 5.5%
5 Finland 4 5.5%
6 France 2 2.7%
7 United Kingdom 2 2.7%
8 Belgium 1 1.4%
9 Republic of Korea 1 1.4%
10 Thailand 1 1.4%