Quarter Sterling (millions) 1997-12-31 7020 1998-03-31 9886 1998-06-30 10809 1998-09-30 9266 1998-12-31 9983 1999-03-31 8789 1999-06-30 7955 1999-09-30 7714 1999-12-31 7959 2000-03-31 8015 2000-06-30 8512 2000-09-30 9783 2000-12-31 10028 2001-03-31 9790 2001-06-30 10541 2001-09-30 10911 2001-12-31 11127 2002-03-31 10143 2002-06-30 10214 2002-09-30 9924 2002-12-31 10181 2003-03-31 9731 2003-06-30 10278 2003-09-30 8879 2003-12-31 9698 2004-03-31 10097 2004-06-30 9668 2004-09-30 13377 2004-12-31 14836 2005-03-31 15712 2005-06-30 15222 2005-09-30 16764 2005-12-31 20861 2006-03-31 23962 2006-06-30 28641 2006-09-30 28579 2006-12-31 26550 2007-03-31 23479 2007-06-30 23950 2007-09-30 25316 2007-12-31 26548 2008-03-31 24131 2008-06-30 25607 2008-09-30 30554 2008-12-31 30663 2009-03-31 27686 2009-06-30 25274 2009-09-30 25617 2009-12-31 24955 2010-03-31 25214 2010-06-30 25658 2010-09-30 25728 2010-12-31 26422 2011-03-31 25987 2011-06-30 31341 2011-09-30 30802 2011-12-31 37882 2012-03-31 37920 2012-06-30 40055 2012-09-30 41243 2012-12-31 37785 2013-03-31 41843 2013-06-30 38386 2013-09-30 41759 2013-12-31 40741 2014-03-31 47367 2014-06-30 48528 2014-09-30 50910 2014-12-31 45898 2015-03-31 49381 2015-06-30 48291 2015-09-30 47313 2015-12-31 40414 2016-03-31 49821 2016-06-30 57845 2016-09-30 58760 2016-12-31 55943 2017-03-31 56851 2017-06-30 57881 2017-09-30 60468 2017-12-31 64207 2018-03-31 65102 2018-06-30 65757 2018-09-30 68059 2018-12-31 73208