2010:
1. Ke$ha - "TiK Tok" (9 weeks)
2. The Black Eyed Peas - "Imma Be" (2 weeks)
3. Taio Cruz feat. Ludacris - "Break Your Heart" (1 week)
4. Rihanna - "Rude Boy" (5 weeks)
5. B.o.B feat. Bruno Mars - "Nothin' On You" (2 weeks)
6. Usher feat. will.i.am - "OMG" (4 weeks)
7. Eminem - "Not Afraid" (1 week)
8. Katy Perry feat. Snoop Dogg "California Gurls" (6 weeks)
9. Eminem feat. Rihanna - "Love The Way You Lie" (7 weeks)
10. Katy Perry - "Teenage Dream" (2 weeks)
11. Bruno Mars - "Just The Way You Are" (4 weeks)
12. Far East Movement feat. The Cataracs & Dev - "Like A G6" (3 weeks)
13. Ke$ha - "We R Who We R" (1 week)
14. Rihanna feat. Drake - "What's My Name?" (1 week)
15. Rihanna - "Only Girl (In The World)" (1 week)
16. P!nk - "Raise Your Glass" (1 week)
17. Katy Perry - "Firework" (4 weeks)
2011:
18. Bruno Mars - "Grenade" (4 weeks)
19. Britney Spears - "Hold It Against Me" (1 week)
20. Wiz Khalifa - "Black and Yellow" (1 week)
21. Lady Gaga - "Born This Way" (6 weeks)
22. Katy Perry feat. Kanye West - "E.T." (5 weeks)
23. Rihanna feat. Britney Spears - "S&M (Remix)" (1 week)
24. Adele - "Rolling In The Deep" (7 weeks)
25. Pitbull feat. Ne-Yo, Afrojack & Nayer - "Give Me Everything" (1 week)
26. LMFAO feat. Lauren Bennett & GoonRock - "Party Rock Anthem" (6 weeks)
27. Katy Perry - "Last Friday Night (T.G.I.F.)" (2 weeks)
28. Maroon 5 feat. Christina Aguilera - "Moves Like Jagger" (4 weeks)
29. Adele - "Someone Like You" (5 weeks)
30. Rihanna feat. Calvin Harris - "We Found Love" (10 weeks)
2012:
31. LMFAO - "Sexy and I Know It" (2 weeks)
32. Adele - "Set Fire To The Rain" (2 weeks)
33. Kelly Clarkson - "Stronger (What Doesn't Kill You)" (3 weeks)
34. Katy Perry - "Part Of Me" (1 week)
35. fun. feat. Janelle Monáe - "We Are Young" (6 weeks)
36. Gotye feat. Kimbra - "Somebody That I Used To Know" (8 weeks)
37. Carly Rae Jepsen - "Call Me Maybe" (9 weeks)
38. Flo Rida - "Whistle" (2 weeks)
39. Taylor Swift - "We Are Never Ever Getting Back Together" (3 weeks)
40. Maroon 5 - "One More Night" (9 weeks)
41. Rihanna - "Diamonds" (3 weeks)
42. Bruno Mars - "Locked Out Of Heaven" (6 weeks)
2013:
43. Macklemore & Ryan Lewis feat. Wanz - "Thrift Shop" (6 weeks)
44. Baauer - "Harlem Shake" (5 weeks)
45. Bruno Mars - "When I Was Your Man" (1 week)
46. P!nk feat. Nate Ruess - "Just Give Me A Reason" (3 weeks)
47. Macklemore & Ryan Lewis feat. Ray Dalton - "Can't Hold Us" (5 weeks)
48. Robin Thicke feat. T.I. & Pharrell - "Blurred Lines" (12 weeks)
49. Katy Perry - "Roar" (2 weeks)
50. Miley Cyrus - "Wrecking Ball" (1 week so far)
With each passing year, less #1s tho.