Month Sterling (millions) 2009-07-31 196 2009-08-31 -225 2009-09-30 -256 2009-10-31 -412 2009-11-30 -305 2009-12-31 -279 2010-01-31 -226 2010-02-28 138 2010-03-31 48 2010-04-30 42 2010-05-31 189 2010-06-30 -424 2010-07-31 -15 2010-08-31 -378 2010-09-30 349 2010-10-31 -57 2010-11-30 15 2010-12-31 -38