For information on 2006-07 I refer the hon. Member to the answer given to him by the former Financial Secretary to the Treasury, my hon. Friend John Healey, on 7 November 2006, Hansard, column 1022W. For information on 2005-06 I refer the hon. Member to the answer given to Mr. Hammond on 2 May 2007, Hansard, column 1743W. Information on earlier years could be provided only at disproportionate cost.