This is done quick, so if something is missing feel free to add.
2010
Break Your Heart - Taio Cruz -
32k - 3.8 millions
OMG - Usher ft. will.i.am -
130k - 4.8 millions
Teenage Dream - Katy Perry -
84k - 4.6 millions
2011
Katy Perry - E.T. -
64k - 5 millions
Give Me Everything - Pitbull ft. Neyo, Afrojack, Nayer -
less than 10k - 5 millions
Someone Like You - Adele -
51k - 6 millions
We Found Love - Rihanna ft. Calvin Harris -
117k - 5 millions
2012
We Are Young - Fun. ft. Janelle Monáe -
3k - 6.9 millions
Call Me Maybe - Carly Rae Jepsen -
80k - 7.5 millions
Diamonds - Rihanna -
133k - 3 millions
Locked Out Of Heaven -
92k - 4.5 millions
2013
Wrecking Ball - Miley Cyrus -
90k - 3.5 millions