Month Sterling (millions) 2007-10-31 608 2007-11-30 659 2007-12-31 613 2008-01-31 617 2008-02-29 619 2008-03-31 473 2008-04-30 475 2008-05-31 162 2008-06-30 155 2008-07-31 0 2008-08-31 0 2008-09-30 0 2008-10-31 0 2008-11-30 0 2008-12-31 0 2009-01-31 347 2009-02-28 347 2009-03-31 347 2009-04-30 269 2009-05-31 269 2009-06-30 269 2009-07-31 271 2009-08-31 267 2009-09-30 267 2009-10-31 237 2009-11-30 237 2009-12-31 237