http://www.cpaaustralia.com.au/cps/rde/xbcr/SID-3F57FEDF-D5228096/cpa/moneytalkstable.pdf
At the bottom, Professional Practice, although it's a bit old (2006).
I was more curious in finding the graduate salaries across the big4 as opposed to the different service lines/levels.
EDIT: I...