Quarter Sterling (millions) 1997-09-30 6348 1997-12-31 6402 1998-03-31 6386 1998-06-30 6352 1998-09-30 6403 1998-12-31 6499 1999-03-31 6673 1999-06-30 6912 1999-09-30 7006 1999-12-31 6870 2000-03-31 7036 2000-06-30 7255 2000-09-30 7061 2000-12-31 6934 2001-03-31 7098 2001-06-30 7123 2001-09-30 7273 2001-12-31 7350 2002-03-31 7535 2002-06-30 7708 2002-09-30 7788 2002-12-31 8020 2003-03-31 8252 2003-06-30 8441 2003-09-30 8395 2003-12-31 8586 2004-03-31 8899 2004-06-30 9236 2004-09-30 9945 2004-12-31 10327 2005-03-31 11028 2005-06-30 11438 2005-09-30 12066 2005-12-31 12729 2006-03-31 13058 2006-06-30 15114 2006-09-30 17065 2006-12-31 15854 2007-03-31 16376 2007-06-30 16310 2007-09-30 18215 2007-12-31 19233 2008-03-31 19879 2008-06-30 20830 2008-09-30 21167 2008-12-31 21475 2009-03-31 21665 2009-06-30 21860 2009-09-30 22183 2009-12-31 22084 2010-03-31 22602 2010-06-30 22991 2010-09-30 23034 2010-12-31 22529 2011-03-31 21756 2011-06-30 21338 2011-09-30 21301 2011-12-31 21373 2012-03-31 21636 2012-06-30 21649 2012-09-30 21611 2012-12-31 21727 2013-03-31 21164 2013-06-30 21186 2013-09-30 21058 2013-12-31 20740 2014-03-31 20589 2014-06-30 20486 2014-09-30 19998 2014-12-31 19873 2015-03-31 20018 2015-06-30 20118 2015-09-30 20196 2015-12-31 19960 2016-03-31 20391 2016-06-30 20473 2016-09-30 20306 2016-12-31 19866 2017-03-31 20405 2017-06-30 20297 2017-09-30 19940 2017-12-31 19902 2018-03-31 20238 2018-06-30 20129 2018-09-30 20135 2018-12-31 20070 2019-03-31 20149 2019-06-30 20296 2019-09-30 20100 2019-12-31 20060 2020-03-31 20016 2020-06-30 21111 2020-09-30 21517 2020-12-31 21363 2021-03-31 22095 2021-06-30 20897 2021-09-30 20732 2021-12-31 20331 2022-03-31 20159 2022-06-30 20069 2022-09-30 20097 2022-12-31 19752 2023-03-31 19858 2023-06-30 19830 2023-09-30 19533 2023-12-31 19401