http://www.caa.co.uk/docs/175/Flight...rch%202010.pdf
Is this what your sort of after?
You won't get useful statistics because the CAA say they are commercially sensitive. Which means if they did produce useful stuff it would mean the training industry would go into a nose dive when students could actually realise about what the chances of them getting employed are.
Over 1200 CPL's issued in 2010 ouch!!!