Found this on All About Country.com:

The Mediabase Most-Added

Lady Antebellum/We Owned The Night (37)
Jason Aldean/Tattoos On This Town (34)
Eric Church/Drink In My Hand (23)
The Band Perry/All Your Life (19)
Chris Cagle/Got My Country On (15)
Vince Gill/Threaten Me With Heaven (12)
Reba/Somebody's Chelsea (9)
Chris Young/You (8)
Justin Moore/Bait A Hook (7)
Steel Magnolia/Bulletproof (7)
Joe Nichols/Take It Off (6)
Martina McBride/I'm Gonna Love You Through It (6)
Sara Evans/My Heart Can't Tell You No (6)
Ashton Shepherd/Where Country Grows (5)
Luke Bryan/I Don't Want This Night To End (5)
Sonia Lee/My Name Is Money (5)
Zac Brown Band/Keep Me In Mind (5)