Month Sterling (millions) 2007-10-31 12 2007-11-30 23 2007-12-31 35 2008-01-31 74 2008-02-29 113 2008-03-31 152 2008-04-30 121 2008-05-31 91 2008-06-30 61 2008-07-31 58 2008-08-31 55 2008-09-30 51 2008-10-31 55 2008-11-30 59 2008-12-31 63 2009-01-31 76 2009-02-28 89 2009-03-31 103 2009-04-30 104 2009-05-31 105 2009-06-30 106 2009-07-31 110 2009-08-31 114 2009-09-30 118 2009-10-31 106 2009-11-30 94 2009-12-31 82