Quarter Sterling (millions) 2008-03-31 25225 2008-06-30 27066 2008-09-30 26440 2008-12-31 27933 2009-03-31 28831 2009-06-30 29079 2009-09-30 31719 2009-12-31 35569 2010-03-31 33102 2010-06-30 32971 2010-09-30 33837 2010-12-31 36899 2011-03-31 37097 2011-06-30 38919 2011-09-30 39491 2011-12-31 45805 2012-03-31 44891 2012-06-30 45638 2012-09-30 46810 2012-12-31 51215 2013-03-31 49203 2013-06-30 51081 2013-09-30 52427 2013-12-31 58523 2014-03-31 56931 2014-06-30 59616 2014-09-30 62729 2014-12-31 70426 2015-03-31 70160 2015-06-30 72568 2015-09-30 74838 2015-12-31 80578 2016-03-31 81685 2016-06-30 86003 2016-09-30 90409 2016-12-31 97473 2017-03-31 97228 2017-06-30 99253 2017-09-30 104934 2017-12-31 107889 2018-03-31 106127 2018-06-30 111888 2018-09-30 113091 2018-12-31 120512 2019-03-31 113899 2019-06-30 115750 2019-09-30 118792 2019-12-31 123197