Month Sterling (millions) 2009-07-31 320 2009-08-31 8 2009-09-30 -735 2009-10-31 -448 2009-11-30 -182 2009-12-31 53 2010-01-31 -189 2010-02-28 -70 2010-03-31 -91 2010-04-30 -78 2010-05-31 -195 2010-06-30 -246 2010-07-31 -138 2010-08-31 -8 2010-09-30 1 2010-10-31 9 2010-11-30 -324 2010-12-31 -7