Aggiornamento Top Ten USA

USA :

RANK	ARTIST	TITLE	POPULARITY
1	Katy Perry	E.T. (feat. Kanye West)	1.000000
2	The Black Eyed Peas	Just Can't Get Enough	0.743914
3	Britney Spears	Till the World Ends	0.585520
4	Rihanna	S&M	0.546001
5	Blake Shelton	Honey Bee	0.539888
6	ADELE	Rolling In the Deep	0.532669
7	Pitbull	Give Me Everything (feat. Ne-Yo, Afrojack & Nayer)	0.532617
8	Jennifer Lopez	On the Floor (feat. Pitbull)	0.475076
9	Chris Brown	Look At Me Now (feat. Lil Wayne & Busta Rhymes)	0.444620
10	Ke$ha	Blow	0.401992