Quarter Sterling (millions) 1997-09-30 5801 1997-12-31 5340 1998-03-31 5626 1998-06-30 6078 1998-09-30 6339 1998-12-31 6700 1999-03-31 7006 1999-06-30 6489 1999-09-30 5984 1999-12-31 6671 2000-03-31 6613 2000-06-30 7142 2000-09-30 7399 2000-12-31 7826 2001-03-31 7836 2001-06-30 7753 2001-09-30 7504 2001-12-31 7262 2002-03-31 7359 2002-06-30 7137 2002-09-30 6802 2002-12-31 7263 2003-03-31 6822 2003-06-30 6621 2003-09-30 6888 2003-12-31 6473 2004-03-31 4739 2004-06-30 4719 2004-09-30 4101 2004-12-31 4179 2005-03-31 4833 2005-06-30 4408 2005-09-30 4478 2005-12-31 4282 2006-03-31 3763 2006-06-30 4313 2006-09-30 3642 2006-12-31 3497 2007-03-31 13639 2007-06-30 14495 2007-09-30 14658 2007-12-31 15557 2008-03-31 16479 2008-06-30 17234 2008-09-30 19032 2008-12-31 24757 2009-03-31 24244 2009-06-30 20801 2009-09-30 21928 2009-12-31 21156 2010-03-31 22296 2010-06-30 21618 2010-09-30 20751 2010-12-31 21942 2011-03-31 22742 2011-06-30 23651 2011-09-30 24015 2011-12-31 23049 2012-03-31 20672 2012-06-30 21228 2012-09-30 19987 2012-12-31 20308 2013-03-31 21592 2013-06-30 30444 2013-09-30 27648 2013-12-31 27411 2014-03-31 26674 2014-06-30 25218 2014-09-30 25799 2014-12-31 26834 2015-03-31 26598 2015-06-30 24902 2015-09-30 24577 2015-12-31 23934 2016-03-31 24746 2016-06-30 28903 2016-09-30 25218 2016-12-31 26615 2017-03-31 25359 2017-06-30 24368 2017-09-30 24049 2017-12-31 21183 2018-03-31 19046 2018-06-30 8501 2018-09-30 8845 2018-12-31 9971 2019-03-31 10363 2019-06-30 10655 2019-09-30 10967 2019-12-31 10832