Quarter Sterling (millions) 2004-03-31 19989 2004-06-30 21601 2004-09-30 23724 2004-12-31 25338 2005-03-31 25729 2005-06-30 27043 2005-09-30 27559 2005-12-31 27844 2006-03-31 28376 2006-06-30 29491 2006-09-30 31456 2006-12-31 34099 2007-03-31 36064 2007-06-30 40151 2007-09-30 37808 2007-12-31 38971 2008-03-31 44478 2008-06-30 43160 2008-09-30 44306 2008-12-31 41952 2009-03-31 27807 2009-06-30 23986 2009-09-30 23090 2009-12-31 22761 2010-03-31 23129 2010-06-30 23231 2010-09-30 22604 2010-12-31 22345 2011-03-31 21995 2011-06-30 21949 2011-09-30 22045 2011-12-31 22464 2012-03-31 22452 2012-06-30 21876 2012-09-30 21839 2012-12-31 21548 2013-03-31 19940 2013-06-30 19844 2013-09-30 20102 2013-12-31 19336 2014-03-31 18716 2014-06-30 18850 2014-09-30 19500 2014-12-31 18895 2015-03-31 18572 2015-06-30 18571 2015-09-30 18754 2015-12-31 18289 2016-03-31 18162 2016-06-30 17987 2016-09-30 17848 2016-12-31 17096 2017-03-31 16325 2017-06-30 16287 2017-09-30 16377 2017-12-31 17379 2018-03-31 17600 2018-06-30 17757 2018-09-30 18523 2018-12-31 18982 2019-03-31 18584 2019-06-30 18930 2019-09-30 19185 2019-12-31 18954 2020-03-31 18256 2020-06-30 15571 2020-09-30 15253 2020-12-31 15089 2021-03-31 14846 2021-06-30 14908 2021-09-30 15013 2021-12-31 15290 2022-03-31 17880 2022-06-30 21682 2022-09-30 27049 2022-12-31 36541 2023-03-31 44330 2023-06-30 49259 2023-09-30 55314