Quarter Sterling (millions) 1997-09-30 6649 1997-12-31 6476 1998-03-31 6750 1998-06-30 6952 1998-09-30 7310 1998-12-31 7013 1999-03-31 7095 1999-06-30 7328 1999-09-30 7673 1999-12-31 7480 2000-03-31 7521 2000-06-30 7749 2000-09-30 7957 2000-12-31 7735 2001-03-31 7718 2001-06-30 7621 2001-09-30 7812 2001-12-31 7493 2002-03-31 7552 2002-06-30 7920 2002-09-30 8136 2002-12-31 7838 2003-03-31 7999 2003-06-30 8415 2003-09-30 8508 2003-12-31 8060 2004-03-31 8286 2004-06-30 8374 2004-09-30 8625 2004-12-31 8288 2005-03-31 8563 2005-06-30 8750 2005-09-30 9124 2005-12-31 9363 2006-03-31 9505 2006-06-30 9366 2006-09-30 9620 2006-12-31 9620 2007-03-31 9392 2007-06-30 9724 2007-09-30 10140 2007-12-31 9940 2008-03-31 10088 2008-06-30 10613 2008-09-30 11090 2008-12-31 10714 2009-03-31 10990 2009-06-30 11319 2009-09-30 11719 2009-12-31 11149 2010-03-31 11544 2010-06-30 11862 2010-09-30 12192 2010-12-31 11556 2011-03-31 11768 2011-06-30 12052 2011-09-30 12342 2011-12-31 12046 2012-03-31 12440 2012-06-30 12837 2012-09-30 13317 2012-12-31 13258 2013-03-31 13752 2013-06-30 14252 2013-09-30 14767 2013-12-31 14469 2014-03-31 14918 2014-06-30 15625 2014-09-30 16028 2014-12-31 15909 2015-03-31 16408 2015-06-30 16886 2015-09-30 17486 2015-12-31 17752 2016-03-31 17657 2016-06-30 17969 2016-09-30 18186 2016-12-31 17811 2017-03-31 18159 2017-06-30 18566 2017-09-30 18628 2017-12-31 18290 2018-03-31 18520 2018-06-30 18867 2018-09-30 19283 2018-12-31 18821 2019-03-31 18961 2019-06-30 19234 2019-09-30 19436 2019-12-31 18752 2020-03-31 18837 2020-06-30 19378 2020-09-30 19626 2020-12-31 19232 2021-03-31 19512 2021-06-30 19769 2021-09-30 19763 2021-12-31 18729 2022-03-31 18788 2022-06-30 18954 2022-09-30 18650 2022-12-31 18046 2023-03-31 18050 2023-06-30 18128 2023-09-30 17902 2023-12-31 17669