Month Sterling (millions) 2010-01-31 -286 2010-02-28 19 2010-03-31 19 2010-04-30 -3 2010-05-31 12 2010-06-30 9 2010-07-31 -1 2010-08-31 -8 2010-09-30 -11 2010-10-31 -4 2010-11-30 5 2010-12-31 -3 2011-01-31 20 2011-02-28 49 2011-03-31 4 2011-04-30 -9 2011-05-31 659 2011-06-30 -636 2011-07-31 6 2011-08-31 7 2011-09-30 -11 2011-10-31 -28 2011-11-30 -8 2011-12-31 -5 2012-01-31 -15 2012-02-29 -12 2012-03-31 -21 2012-04-30 1 2012-05-31 -15 2012-06-30 2 2012-07-31 -2 2012-08-31 472 2012-09-30 5 2012-10-31 -8 2012-11-30 16 2012-12-31 -22 2013-01-31 19 2013-02-28 13 2013-03-31 -16 2013-04-30 -2 2013-05-31 -45 2013-06-30 -43 2013-07-31 352 2013-08-31 0 2013-09-30 -41 2013-10-31 -13 2013-11-30 5