Month Sterling (millions) 2007-10-31 4 2007-11-30 11 2007-12-31 6 2008-01-31 66 2008-02-29 73 2008-03-31 14 2008-04-30 21 2008-05-31 31 2008-06-30 55 2008-07-31 142 2008-08-31 144 2008-09-30 312 2008-10-31 50 2008-11-30 121 2008-12-31 42 2009-01-31 20 2009-02-28 21 2009-03-31 116 2009-04-30 10 2009-05-31 4 2009-06-30 54 2009-07-31 16 2009-08-31 12 2009-09-30 137 2009-10-31 29 2009-11-30 12 2009-12-31 269