Originally posted by Nemo

California Gurls
Jan 2015 4,326,556
Feb 2015 5,535,018
Mar 2015 6,004,566
Apr 2015 6,430,377
May 2015 7,287,944
Jun 2015 6,440,813
Jul 2015 6,551,202
Aug 2015 5,995,557
Sep 2015 5,762,127
Oct 2015 8,467,310
Nov 2015 9,486,391
Dec 2015 12,890,632
Jan 2016 13,940,560

Bad Romance
Jan 2015 2,923,557
Feb 2015 2,886,864
Mar 2015 3,057,537
Apr 2015 2,816,368
May 2015 3,106,573
Jun 2015 2,998,250
Jul 2015 3,198,231
Aug 2015 3,104,575
Sep 2015 3,085,074
Oct 2015 3,463,314
Nov 2015 3,535,748
Dec 2015 3,857,067
Jan 2016 4,391,863