By my count:
The 15 New Additions:Almost Famous, All Quiet on the Western Front, Life of Pi, Planet of the Apes (1968), Blade Runner, Once Upon a Time in the West, Sunset Blvd., Heat, Do the Right Thing, North by Northwest, Deathly Hallows Part II, Children of Men, No Country for Old Men, Spider-Man 2, ChinatownThe 15 That Didn't Return:Bourne Ultimatum, 8 1/2, Slumdog Millionaire, Black Swan, The Hunger Games, Rocky, Ghostbusters, My Neighbor Totoro, Unforgiven, Vertigo, How to Train Your Dragon, Batman, Iron Man, Revenge of the Sith, Avatar