How can I obtain statistics regarding #'s of refinances in California and other mortgage related stats in CA?

I am looking for a website or some other avenue for retrieving statistical information regarding the number of home loans set to adjust in California in 2008, Number of loan origination is California in 2007, Number of purchases in CA in 2007, etc... If anyone knows of an easy way to find this info please let me know. THANKS!!!!!How can I obtain statistics regarding #'s of refinances in California and other mortgage related stats in CA?
I am pretty sure that realtytrac has all of that information. They have a great stats section and that is who you see when they report the foreclosures on the news.