ista de las 50 mejores semanas de Katy en ventas digitales, incluyendo las semanas de DH:
1. 557,000, "Roar," Katy Perry, Aug 31, 2013
2. 509,000, "Firework," Katy Perry, Jan. 8, 2011
3. 448,000, "Roar," Katy Perry, Sept 14, 2013
4. 411,000, "Part Of Me," Katy Perry, Mar. 3, 2012
5. 398,000, "Firework," Katy Perry, Jan 15, 2011
6. 392,000, "Roar," Katy Perry, Sep 7, 2013
7. 373,000, "Dark Horse," Katy Perry featuring Juicy J, Feb 15, 2014
8. 373,000, "Roar," Katy Perry, September 21, 2013
9. 358,000, "California Gurls," Katy Perry featuring Snoop Dogg, June 26, 2010
10. 344,000, "E.T.," Katy Perry featuring Kanye West, May 7, 2011
11. 337,000, "California Gurls," Katy Perry featuring Snoop Dogg, Jul 3, 2010
12. 334,000, "Hot N Cold," Katy Perry, Jan 10, 2009
13. 331,000, "Roar," Katy Perry, Sept 28, 2013
14. 327,000, "E.T.," Katy Perry featuring Kanye West, Apr 16, 2011
15. 323,000, "E.T.," Katy Perry featuring Kanye West, Apr 23, 2011
16. 318,000, "California Gurls," Katy Perry featuring Snoop Dogg, June 19, 2010
17. 308,000, "The One That Got Away," Katy Perry, Jan 14, 2012
18. 302,000, "California Gurls," Katy Perry featuring Snoop Dogg, Jul 10, 2010
19. 301,000, "Roar," Katy Perry, October 5, 2013
20. 300,000, "E.T.," Katy Perry featuring Kanye West, May 14, 2011
21. 297,000, "The One That Got Away," Katy Perry
22. 294,000, "Dark Horse," Katy Perry featuring Juicy J, Feb 8, 2014
23. 294,000, "California Gurls," Katy Perry featuring Snoop Dogg, May 29, 2010
24. 291,000, "Dark Horse," Katy Perry featuring Juicy J, Feb 22, 2014
25. 285,000, "Dark Horse," Katy Perry featuring Juicy J, Jan 11, 2014
26. 284,000, "E.T.," Katy Perry featuring Kanye West, Apr 30, 2011
27. 280,000, "California Gurls," Katy Perry featuring Snoop Dogg, Jul 17, 2010
28. 277,000, "Dark Horse," Katy Perry featuring Juicy J, Mar 1, 2014
29. 269,000, "California Gurls," Katy Perry featuring Snoop Dogg, Jun 12, 2010
30. 261,000, "Dark Horse," Katy Perry featuring Juicy J, Feb 1, 2014
31. 261,000, "E.T.," Katy Perry featuring Kanye West, Apr 2, 2011
32. 259,000, "Teenage Dream," Katy Perry, Sep 11, 2010
33. 258,000, "Roar," Katy Perry, Jan 11, 2014
34. 254,000, "E.T.," Katy Perry featuring Kanye West, Apr 9, 2011
35. 251,000, "Dark Horse," Katy Perry featuring Juicy J, Mar 8, 2014
36. 243,000, "Dark Horse," Katy Perry featuring Juicy J, Jan 25, 2014
37. 239,000, "Roar," Katy Perry, October 12, 2013
38. 237,000, "E.T.," Katy Perry featuring Kanye West, May 21, 2011
39. 236,000, "California Gurls," Katy Perry featuring Snoop Dogg, Jul 24, 2010
40. 235,000, "I Kissed A Girl," Katy Perry, July 5, 2008
41. 235,000, "Last Friday Night," Katy Perry, Jul 9, 2011
42. 232,000, "Firework," Katy Perry, Dec 11, 2010
43. 231,000, "California Gurls," Katy Perry featuring Snoop Dogg, Jun 5, 2010
44. 230,000, "Firework," Katy Perry, Jan 22, 2011
45. 229,000, "Dark Horse," Katy Perry featuring Juicy J, Jan 18, 2014
46. 226,000, "Last Friday Night," Katy Perry, Jul 16, 2011
47. 221,000, "Wide Awake," Katy Perry, Jul 7, 2012
48. 221,000, "Teenage Dream," Katy Perry, Sep 18, 2010
49. 219,000, "I Kissed A Girl," Katy Perry, Jun 28, 2008
50. 218,000, "Roar," Katy Perry, Oct 19, 2013