I think the question should add what have you puchased this year. Most of our CD purchases occured during the past 5 to 20 years which is ALL redbook. This years data will add the high res percentages. Hope I'm not taking the fun out of this! Here's my stuff.
300 CDs Total
40 CD 's this year
5 SACD Hybrids this year
5 HDCD's this year
No other formats