This is an example of the information you can find. Of course, you could analyse for the target audience for your institution's case study film in for class, gender and age and blog the results on your case study blogs. Remember to add a title and tags so you can find your blog post easily.
For information for your case study film try this link and do a search.
Remember that the UK Film Council is another good source. You can look up the stats for the release of your case study film, and much more!