Quarter Sterling (millions) 1997-09-30 16246 1997-12-31 16201 1998-03-31 16495 1998-06-30 16594 1998-09-30 16411 1998-12-31 16084 1999-03-31 16505 1999-06-30 16602 1999-09-30 16761 1999-12-31 16823 2000-03-31 17595 2000-06-30 18050 2000-09-30 18340 2000-12-31 18659 2001-03-31 19115 2001-06-30 19093 2001-09-30 19420 2001-12-31 19545 2002-03-31 20136 2002-06-30 20551 2002-09-30 20898 2002-12-31 21413 2003-03-31 22067 2003-06-30 22310 2003-09-30 22545 2003-12-31 22700 2004-03-31 23526 2004-06-30 23745 2004-09-30 24160 2004-12-31 24924 2005-03-31 26240 2005-06-30 27470 2005-09-30 28509 2005-12-31 29511 2006-03-31 30890 2006-06-30 32037 2006-09-30 33080 2006-12-31 34156 2007-03-31 35294 2007-06-30 36957 2007-09-30 37544 2007-12-31 38210 2008-03-31 39620 2008-06-30 40039 2008-09-30 40253 2008-12-31 41485 2009-03-31 41021 2009-06-30 40792 2009-09-30 40165 2009-12-31 39317 2010-03-31 39024 2010-06-30 37551 2010-09-30 36739 2010-12-31 35670 2011-03-31 35448 2011-06-30 34815 2011-09-30 34534 2011-12-31 33937 2012-03-31 33534 2012-06-30 28611 2012-09-30 28110 2012-12-31 27675 2013-03-31 27577 2013-06-30 26320 2013-09-30 25841 2013-12-31 25038 2014-03-31 24741 2014-06-30 24042 2014-09-30 23748 2014-12-31 23126 2015-03-31 22837 2015-06-30 22504 2015-09-30 22377 2015-12-31 22308 2016-03-31 22296 2016-06-30 21999 2016-09-30 21657 2016-12-31 21333 2017-03-31 21188 2017-06-30 20910 2017-09-30 20580 2017-12-31 20088 2018-03-31 20254 2018-06-30 20171 2018-09-30 20033 2018-12-31 19610 2019-03-31 19980 2019-06-30 19775 2019-09-30 19527 2019-12-31 19030 2020-03-31 19223 2020-06-30 23803 2020-09-30 25629 2020-12-31 26847 2021-03-31 27163 2021-06-30 26753 2021-09-30 26090 2021-12-31 25040 2022-03-31 24469 2022-06-30 23835 2022-09-30 23131 2022-12-31 22011 2023-03-31 21332 2023-06-30 20706 2023-09-30 20175 2023-12-31 19638