I refer the hon. Member to my reply to the hon. Member for Hertford and Stortford (Mr. Prisk) on 15 June 2009, Official Report, column 72W. The figures since June 2009 are:
Number Percentage June 2009 4,009 86.0 July 2009 4,195 91.1 August 2009 3,689 93.5 September 2009 3,866 96.6 October 2009 4,120 95.2 November 2009 4,038 96.9