Month Sterling (millions) 2009-07-31 46362 2009-08-31 45811 2009-09-30 45045 2009-10-31 44183 2009-11-30 44327 2009-12-31 43707 2010-01-31 43677 2010-02-28 44216 2010-03-31 42393 2010-04-30 42488 2010-05-31 42322 2010-06-30 41255 2010-07-31 41118 2010-08-31 40706 2010-09-30 41357 2010-10-31 40946 2010-11-30 42744 2010-12-31 40795