This was published yesterday on jeremyjuuso.blogspot.com.
UPDATE TO BASELINE JULY 2010 DIY POSTING
During the course of research, I found a film from 2009 that initially appeared to be a DIY release, but upon further inspection had to be relabeled as a non-DIY release. As a result, this has slightly shifted the numbers that initially appeared in my Baseline posting. Here is the revised table:
Turns out, DIY was on top opening weekend. Click here for the original posting (and some context).