Month Sterling (millions) 2010-01-31 0 2010-02-28 0 2010-03-31 0 2010-04-30 0 2010-05-31 0 2010-06-30 0 2010-07-31 0 2010-08-31 0 2010-09-30 0 2010-10-31 0 2010-11-30 0 2010-12-31 0 2011-01-31 0 2011-02-28 0 2011-03-31 0 2011-04-30 0 2011-05-31 0 2011-06-30 0 2011-07-31 0 2011-08-31 0 2011-09-30 0 2011-10-31 0 2011-11-30 0 2011-12-31 0 2012-01-31 0 2012-02-29 0 2012-03-31 0 2012-04-30 0 2012-05-31 0 2012-06-30 0 2012-07-31 0 2012-08-31 0 2012-09-30 0 2012-10-31 0 2012-11-30 0 2012-12-31 0 2013-01-31 0 2013-02-28 0 2013-03-31 0 2013-04-30 0 2013-05-31 0 2013-06-30 0 2013-07-31 0 2013-08-31 0 2013-09-30 0 2013-10-31 0 2013-11-30 0 2013-12-31 0