Quarter Sterling (millions) 1997-12-31 8564 1998-03-31 8998 1998-06-30 9026 1998-09-30 9186 1998-12-31 8803 1999-03-31 9134 1999-06-30 9254 1999-09-30 9134 1999-12-31 9226 2000-03-31 9401 2000-06-30 9729 2000-09-30 9907 2000-12-31 9905 2001-03-31 9966 2001-06-30 10241 2001-09-30 10082 2001-12-31 10008 2002-03-31 10141 2002-06-30 10372 2002-09-30 10321 2002-12-31 10552 2003-03-31 10808 2003-06-30 11416 2003-09-30 11506 2003-12-31 11544 2004-03-31 11978 2004-06-30 12313 2004-09-30 12413 2004-12-31 12690 2005-03-31 12905 2005-06-30 13166 2005-09-30 12983 2005-12-31 12696 2006-03-31 13267 2006-06-30 13489 2006-09-30 13962 2006-12-31 13637 2007-03-31 14186 2007-06-30 14377 2007-09-30 14462 2007-12-31 15094 2008-03-31 16203 2008-06-30 16172 2008-09-30 15894 2008-12-31 15358 2009-03-31 15219 2009-06-30 15213 2009-09-30 16004 2009-12-31 15699 2010-03-31 15904 2010-06-30 16031 2010-09-30 15726 2010-12-31 15762 2011-03-31 16174 2011-06-30 16219 2011-09-30 16058 2011-12-31 16103 2012-03-31 16614 2012-06-30 16667 2012-09-30 16382 2012-12-31 16079 2013-03-31 16450 2013-06-30 16550 2013-09-30 16792 2013-12-31 17089 2014-03-31 17548 2014-06-30 17318 2014-09-30 17608 2014-12-31 17504 2015-03-31 17637 2015-06-30 17905 2015-09-30 17886 2015-12-31 17858 2016-03-31 18142 2016-06-30 18046 2016-09-30 17916 2016-12-31 18024 2017-03-31 18573 2017-06-30 18675 2017-09-30 18916 2017-12-31 18973 2018-03-31 18737 2018-06-30 19064 2018-09-30 18846 2018-12-31 18570 2019-03-31 18820 2019-06-30 19106 2019-09-30 19105 2019-12-31 19239 2020-03-31 19420 2020-06-30 20988 2020-09-30 21238 2020-12-31 22012 2021-03-31 22365 2021-06-30 23203 2021-09-30 23388 2021-12-31 24258 2022-03-31 24727 2022-06-30 25179 2022-09-30 25285 2022-12-31 24822 2023-03-31 24445 2023-06-30 24484 2023-09-30 24050 2023-12-31 23607