Aggiornamento Top ten USA 13/04

1	Rihanna featuring Britney Spears	S&M (Remix)	1.000000
2	Katy Perry	E.T. (feat. Kanye West)	0.987727
3	The Black Eyed Peas	Just Can't Get Enough	0.711415
4	ADELE	Rolling In the Deep	0.602480
5	Jeremih & 50 Cent	Down On Me (feat. 50 Cent)	0.529030
6	Britney Spears	Till the World Ends	0.502130
7	Jennifer Lopez	On the Floor (feat. Pitbull)	0.489857
8	Pitbull	Give Me Everything (feat. Ne-Yo, Afrojack & Nayer)	0.470016
9	Chris Brown	Look At Me Now (feat. Lil Wayne & Busta Rhymes)	0.455962
10	Rihanna	S&M	0.453800