Quarter Sterling (millions) 1997-09-30 7067 1997-12-31 6845 1998-03-31 7119 1998-06-30 7294 1998-09-30 7637 1998-12-31 7352 1999-03-31 7438 1999-06-30 7681 1999-09-30 8046 1999-12-31 7861 2000-03-31 7913 2000-06-30 8164 2000-09-30 8358 2000-12-31 8163 2001-03-31 8148 2001-06-30 8066 2001-09-30 8266 2001-12-31 7979 2002-03-31 7995 2002-06-30 8378 2002-09-30 8585 2002-12-31 8288 2003-03-31 8429 2003-06-30 8855 2003-09-30 8962 2003-12-31 8506 2004-03-31 8694 2004-06-30 8776 2004-09-30 9028 2004-12-31 8676 2005-03-31 8928 2005-06-30 9112 2005-09-30 9482 2005-12-31 9735 2006-03-31 9960 2006-06-30 9742 2006-09-30 10022 2006-12-31 10034 2007-03-31 9792 2007-06-30 10122 2007-09-30 10536 2007-12-31 10341 2008-03-31 10502 2008-06-30 10966 2008-09-30 11448 2008-12-31 11070 2009-03-31 11330 2009-06-30 11666 2009-09-30 12052 2009-12-31 11496 2010-03-31 11882 2010-06-30 12185 2010-09-30 12508 2010-12-31 11869 2011-03-31 12065 2011-06-30 12326 2011-09-30 12625 2011-12-31 12329 2012-03-31 12716 2012-06-30 13104 2012-09-30 13598 2012-12-31 13544 2013-03-31 14007 2013-06-30 14498 2013-09-30 15006 2013-12-31 14701 2014-03-31 15149 2014-06-30 15880 2014-09-30 16285 2014-12-31 16156 2015-03-31 16652 2015-06-30 17125 2015-09-30 17732 2015-12-31 17984 2016-03-31 17911 2016-06-30 18265 2016-09-30 18470 2016-12-31 18123 2017-03-31 18467 2017-06-30 18863 2017-09-30 18932 2017-12-31 18604 2018-03-31 18830 2018-06-30 19171 2018-09-30 19636 2018-12-31 19192 2019-03-31 19315 2019-06-30 19558 2019-09-30 19779 2019-12-31 19073 2020-03-31 19162 2020-06-30 19723 2020-09-30 19978 2020-12-31 19598 2021-03-31 19894 2021-06-30 20155 2021-09-30 20156 2021-12-31 19102 2022-03-31 19151 2022-06-30 19320 2022-09-30 19034 2022-12-31 18429 2023-03-31 18418 2023-06-30 18485 2023-09-30 18274 2023-12-31 18037