Quarter Sterling (millions) 1997-09-30 12451 1997-12-31 12730 1998-03-31 12119 1998-06-30 12453 1998-09-30 12376 1998-12-31 12704 1999-03-31 12600 1999-06-30 12481 1999-09-30 13007 1999-12-31 12812 2000-03-31 13013 2000-06-30 12889 2000-09-30 13353 2000-12-31 13642 2001-03-31 13051 2001-06-30 13640 2001-09-30 13476 2001-12-31 13490 2002-03-31 13329 2002-06-30 12371 2002-09-30 12281 2002-12-31 11903 2003-03-31 11630 2003-06-30 11543 2003-09-30 11651 2003-12-31 11313 2004-03-31 11076 2004-06-30 11501 2004-09-30 12018 2004-12-31 11508 2005-03-31 12711 2005-06-30 13142 2005-09-30 13472 2005-12-31 13312 2006-03-31 12992 2006-06-30 13847 2006-09-30 13955 2006-12-31 14251 2007-03-31 14139 2007-06-30 14356 2007-09-30 18782 2007-12-31 20103 2008-03-31 21098 2008-06-30 21322 2008-09-30 21636 2008-12-31 23728 2009-03-31 22209 2009-06-30 16748 2009-09-30 16009 2009-12-31 15639 2010-03-31 15642 2010-06-30 14823 2010-09-30 14701 2010-12-31 13853 2011-03-31 13887 2011-06-30 13410 2011-09-30 14212 2011-12-31 13231 2012-03-31 13131 2012-06-30 13216 2012-09-30 13478 2012-12-31 13367 2013-03-31 13591 2013-06-30 13741 2013-09-30 14613 2013-12-31 14423 2014-03-31 14476 2014-06-30 13637 2014-09-30 14327 2014-12-31 14398 2015-03-31 14456 2015-06-30 14488 2015-09-30 14312 2015-12-31 14515 2016-03-31 14741 2016-06-30 15436 2016-09-30 15541 2016-12-31 16056 2017-03-31 16843 2017-06-30 18738 2017-09-30 18542 2017-12-31 19038 2018-03-31 19448 2018-06-30 19661 2018-09-30 19509 2018-12-31 19825 2019-03-31 19752 2019-06-30 20242 2019-09-30 20494 2019-12-31 20109 2020-03-31 21022 2020-06-30 21463 2020-09-30 21543 2020-12-31 22456 2021-03-31 20940 2021-06-30 19982 2021-09-30 20582 2021-12-31 21608 2022-03-31 23601 2022-06-30 22694 2022-09-30 25076 2022-12-31 22341 2023-03-31 22516 2023-06-30 21662 2023-09-30 22421 2023-12-31 20295