Month Sterling (millions) 2007-10-31 1874 2007-11-30 1749 2007-12-31 1568 2008-01-31 1966 2008-02-29 3191 2008-03-31 1863 2008-04-30 2734 2008-05-31 2593 2008-06-30 3987 2008-07-31 3650 2008-08-31 3579 2008-09-30 3394 2008-10-31 5902 2008-11-30 7994 2008-12-31 6316 2009-01-31 3748 2009-02-28 2492 2009-03-31 701 2009-04-30 6490 2009-05-31 8887 2009-06-30 8935 2009-07-31 6396 2009-08-31 8093 2009-09-30 12435 2009-10-31 15236 2009-11-30 17830 2009-12-31 12687