Written Answers - Attorney-General: Crime: Prosecutions (31 Jan 2013)

http://www.theyworkforyou.com/wrans/?id=2013-01-31a.140637.h&s=speaker%3A10267#g140637.r0

Oliver Heald: The Crown Prosecution Service (CPS) maintains no central record of the offences or category of offences on cases referred to the CPS for a charging decision. This information could only be obtained by examining all of the files sent to the CPS for charging advice, which would incur a disproportionate cost.