Month Sterling (millions) 2007-10-31 487 2007-11-30 782 2007-12-31 510 2008-01-31 624 2008-02-29 657 2008-03-31 140 2008-04-30 72 2008-05-31 0 2008-06-30 0 2008-07-31 0 2008-08-31 0 2008-09-30 0 2008-10-31 0 2008-11-30 0 2008-12-31 0 2009-01-31 0 2009-02-28 0 2009-03-31 0 2009-04-30 0 2009-05-31 0 2009-06-30 0 2009-07-31 0 2009-08-31 0 2009-09-30 0 2009-10-31 0 2009-11-30 0 2009-12-31 0