Stats on CCS (5-day testing) from CCRM. These are, of course, from their facility. Most facilities likely don't do the volume to have meaningful statistics on this particular procedure.
http://www.colocrm.com/Services/ComprehensiveChromosomeScreening.aspx
Some info and data on 3-day PGD:
http://www.advancedfertility.com/pgd-day-3-biopsy.htm
Also, ask your RE. I'm out of this game several years, but they will know the most up to date research and stats. My REs could always spout all of this off the top of their heads pretty much.