Quarter Sterling (millions) 2007-12-31 112 2008-03-31 49 2008-06-30 70 2008-09-30 52 2008-12-31 37 2009-03-31 49 2009-06-30 35 2009-09-30 23 2009-12-31 40 2010-03-31 63 2010-06-30 9 2010-09-30 86 2010-12-31 43 2011-03-31 58 2011-06-30 31 2011-09-30 39 2011-12-31 42 2012-03-31 42 2012-06-30 88 2012-09-30 73 2012-12-31 37 2013-03-31 46 2013-06-30 83 2013-09-30 19 2013-12-31 84 2014-03-31 109 2014-06-30 42 2014-09-30 46 2014-12-31 41 2015-03-31 31 2015-06-30 29 2015-09-30 96 2015-12-31 44 2016-03-31 31 2016-06-30 43 2016-09-30 48 2016-12-31 26 2017-03-31 44 2017-06-30 23 2017-09-30 61 2017-12-31 59 2018-03-31 79 2018-06-30 43 2018-09-30 33 2018-12-31 51 2019-03-31 38 2019-06-30 22 2019-09-30 53 2019-12-31 42