Month Sterling (millions) 2009-07-31 1025 2009-08-31 9 2009-09-30 2562 2009-10-31 -4112 2009-11-30 5651 2009-12-31 -1600 2010-01-31 1721 2010-02-28 -1156 2010-03-31 -2708 2010-04-30 -4326 2010-05-31 7383 2010-06-30 -584 2010-07-31 581 2010-08-31 1985 2010-09-30 425 2010-10-31 5067 2010-11-30 -3979 2010-12-31 621 2011-01-31 141 2011-02-28 219 2011-03-31 -6687 2011-04-30 7341 2011-05-31 2052 2011-06-30 1652 2011-07-31 6199 2011-08-31 -3689 2011-09-30 -536 2011-10-31 2260 2011-11-30 -1842 2011-12-31 -8028 2012-01-31 5954 2012-02-29 -3609 2012-03-31 -5548 2012-04-30 8865 2012-05-31 12226 2012-06-30 -5564 2012-07-31 707 2012-08-31 -1549 2012-09-30 -4677 2012-10-31 -1363 2012-11-30 4341 2012-12-31 104 2013-01-31 3192 2013-02-28 8460