I see, guess you beat me to it.
This is what I found.
http://www.supremecourt.gov/about/justicecaseload.pdf
Plenary review, with oral arguments by attorneys, is granted in about 100 cases per Term. Formal written opinions are delivered in 80 to 90 cases. Approximately 50 to 60 additional cases are disposed of without granting plenary review.





I'm getting mixed information here.





