Month Sterling (millions) 2009-07-31 6474 2009-08-31 6502 2009-09-30 6545 2009-10-31 6734 2009-11-30 6878 2009-12-31 6778 2010-01-31 6720 2010-02-28 6948 2010-03-31 6707 2010-04-30 6653 2010-05-31 6952 2010-06-30 7126 2010-07-31 6463 2010-08-31 6347 2010-09-30 6076 2010-10-31 6122 2010-11-30 5979 2010-12-31 5621