Not too much on BTW's success. Firework became a single at the end of 2010 so it had all 2011 to sell. Where is it on the worldwide year-end chart? I see BTW.
Bruno Mars Just The Way You Are 12.5
Bruno Mars Grenade 10.2
LMFAO Party Rock Anthem 9.7
Jennifer Lopez On the Floor 8.4
Adele Rolling in the Deep 8.2
Lady Gaga Born This Way 8.2
Pitbull ft. Ne-Yo, Afrojack & Nayer Give me Everything 8.2
Black Eyed Peas The Time (Dirty Bit) 7.3
Maroon 5 Moves Like Jagger 7.0
Bruno Mars The Lazy Song 6.5