Quarter Sterling (millions) 1997-12-31 6058 1998-03-31 5345 1998-06-30 6052 1998-09-30 6173 1998-12-31 6665 1999-03-31 6118 1999-06-30 6646 1999-09-30 6431 1999-12-31 6382 2000-03-31 6143 2000-06-30 6223 2000-09-30 6020 2000-12-31 6307 2001-03-31 6284 2001-06-30 6822 2001-09-30 6778 2001-12-31 6809 2002-03-31 7019 2002-06-30 7224 2002-09-30 7289 2002-12-31 7672 2003-03-31 7598 2003-06-30 7841 2003-09-30 8120 2003-12-31 8461 2004-03-31 8507 2004-06-30 8838 2004-09-30 9165 2004-12-31 9546 2005-03-31 9614 2005-06-30 10313 2005-09-30 10464 2005-12-31 10617 2006-03-31 10450 2006-06-30 10999 2006-09-30 10961 2006-12-31 11685 2007-03-31 11300 2007-06-30 12243 2007-09-30 12826 2007-12-31 13653 2008-03-31 13528 2008-06-30 14331 2008-09-30 14369 2008-12-31 14525 2009-03-31 13967 2009-06-30 14470 2009-09-30 15372 2009-12-31 15287 2010-03-31 14735 2010-06-30 15884 2010-09-30 16189 2010-12-31 15901 2011-03-31 15123 2011-06-30 16296 2011-09-30 16767 2011-12-31 16613 2012-03-31 15837 2012-06-30 18100 2012-09-30 17669 2012-12-31 17731 2013-03-31 16357 2013-06-30 16960 2013-09-30 16340 2013-12-31 16720 2014-03-31 16958 2014-06-30 17596 2014-09-30 18872 2014-12-31 19580 2015-03-31 19642 2015-06-30 20002 2015-09-30 19782 2015-12-31 20371 2016-03-31 20279 2016-06-30 21102 2016-09-30 21343 2016-12-31 22195 2017-03-31 22247 2017-06-30 22810 2017-09-30 22352 2017-12-31 22701 2018-03-31 22558 2018-06-30 23054 2018-09-30 23322 2018-12-31 23663 2019-03-31 23810 2019-06-30 24599 2019-09-30 25072 2019-12-31 25470 2020-03-31 26112 2020-06-30 29845 2020-09-30 30813 2020-12-31 32365 2021-03-31 33235 2021-06-30 35067 2021-09-30 34979 2021-12-31 36458 2022-03-31 36547 2022-06-30 37312 2022-09-30 36595 2022-12-31 35570 2023-03-31 34958 2023-06-30 35062 2023-09-30 34522 2023-12-31 34846