Quarter Sterling (millions) 1997-12-31 12602 1998-03-31 13032 1998-06-30 13434 1998-09-30 13237 1998-12-31 12860 1999-03-31 13495 1999-06-30 13944 1999-09-30 14122 1999-12-31 14248 2000-03-31 14570 2000-06-30 15742 2000-09-30 16320 2000-12-31 16167 2001-03-31 16431 2001-06-30 16513 2001-09-30 16901 2001-12-31 16604 2002-03-31 17129 2002-06-30 17940 2002-09-30 17712 2002-12-31 18200 2003-03-31 18230 2003-06-30 19450 2003-09-30 19938 2003-12-31 20335 2004-03-31 21120 2004-06-30 22369 2004-09-30 22334 2004-12-31 22736 2005-03-31 23376 2005-06-30 24482 2005-09-30 24126 2005-12-31 24062 2006-03-31 27336 2006-06-30 26043 2006-09-30 26562 2006-12-31 26713 2007-03-31 27206 2007-06-30 28432 2007-09-30 29075 2007-12-31 30312 2008-03-31 32011 2008-06-30 32136 2008-09-30 31346 2008-12-31 30592 2009-03-31 30555 2009-06-30 31096 2009-09-30 31727 2009-12-31 32031 2010-03-31 32620 2010-06-30 33284 2010-09-30 32909 2010-12-31 31575 2011-03-31 29681 2011-06-30 30013 2011-09-30 29776 2011-12-31 26626 2012-03-31 27268 2012-06-30 27449 2012-09-30 27213 2012-12-31 26374 2013-03-31 27060 2013-06-30 27376 2013-09-30 27646 2013-12-31 28042 2014-03-31 28895 2014-06-30 27537 2014-09-30 28020 2014-12-31 27541 2015-03-31 28170 2015-06-30 28633 2015-09-30 28884 2015-12-31 28493 2016-03-31 29246 2016-06-30 29347 2016-09-30 29877 2016-12-31 30430 2017-03-31 31275 2017-06-30 30763 2017-09-30 31659 2017-12-31 32458 2018-03-31 32779 2018-06-30 32597 2018-09-30 32736 2018-12-31 33484 2019-03-31 33677 2019-06-30 33134 2019-09-30 33878 2019-12-31 34643 2020-03-31 36005 2020-06-30 37318 2020-09-30 37735 2020-12-31 39237 2021-03-31 39832 2021-06-30 40334 2021-09-30 41691 2021-12-31 42964 2022-03-31 43664 2022-06-30 45837 2022-09-30 46004 2022-12-31 44625 2023-03-31 44566 2023-06-30 44158 2023-09-30 44379 2023-12-31 43434