Quarter Sterling (millions), Seasonally adjusted 1987-03-31 2810 1987-06-30 3184 1987-09-30 3645 1987-12-31 14055 1988-03-31 16541 1988-06-30 18146 1988-09-30 16517 1988-12-31 13939 1989-03-31 12844 1989-06-30 13768 1989-09-30 16229 1989-12-31 16541 1990-03-31 16467 1990-06-30 12781 1990-09-30 13143 1990-12-31 14759 1991-03-31 14861 1991-06-30 15110 1991-09-30 14255 1991-12-31 14475 1992-03-31 13345 1992-06-30 12105 1992-09-30 11620 1992-12-31 9981 1993-03-31 12389 1993-06-30 13095 1993-09-30 12719 1993-12-31 12446 1994-03-31 14198 1994-06-30 13932 1994-09-30 13834 1994-12-31 13979 1995-03-31 13563 1995-06-30 12962 1995-09-30 13173 1995-12-31 14101 1996-03-31 14819 1996-06-30 16387 1996-09-30 17447 1996-12-31 18755 1997-03-31 18037 1997-06-30 18536 1997-09-30 18854 1997-12-31 19308 1998-03-31 21195 1998-06-30 22105 1998-09-30 23154 1998-12-31 22512 1999-03-31 25923 1999-06-30 29381 1999-09-30 30287 1999-12-31 27745 2000-03-31 28500 2000-06-30 28414 2000-09-30 28543 2000-12-31 32022 2001-03-31 36540 2001-06-30 40145 2001-09-30 42252 2001-12-31 43769 2002-03-31 54216 2002-06-30 55968 2002-09-30 57997 2002-12-31 64509 2003-03-31 62491 2003-06-30 65662 2003-09-30 77826 2003-12-31 80149 2004-03-31 77357 2004-06-30 76381 2004-09-30 68302 2004-12-31 60548 2005-03-31 65319 2005-06-30 70508 2005-09-30 79912 2005-12-31 84863 2006-03-31 85076 2006-06-30 86632 2006-09-30 90822 2006-12-31 95031 2007-03-31 95314 2007-06-30 93582 2007-09-30 92686 2007-12-31 75117 2008-03-31 79260 2008-06-30 59151 2008-09-30 43054 2008-12-31 33174 2009-03-31 29572 2009-06-30 33069 2009-09-30 35915 2009-12-31 34472 2010-03-31 32184 2010-06-30 34060 2010-09-30 33353 2010-12-31 32232 2011-03-31 34216 2011-06-30 32820 2011-09-30 36370 2011-12-31 36245 2012-03-31 37043 2012-06-30 35784 2012-09-30 34393 2012-12-31 36113 2013-03-31 36598 2013-06-30 42199 2013-09-30 46589 2013-12-31 51757 2014-03-31 51759 2014-06-30 48207 2014-09-30 48910 2014-12-31 46504 2015-03-31 48722 2015-06-30 55039 2015-09-30 59810 2015-12-31 59786 2016-03-31 62993 2016-06-30 60573 2016-09-30 56761 2016-12-31 62687 2017-03-31 62806 2017-06-30 61876 2017-09-30 63510 2017-12-31 64814 2018-03-31 62133 2018-06-30 64565 2018-09-30 65183 2018-12-31 64698 2019-03-31 65444 2019-06-30 65321 2019-09-30 67027 2019-12-31 68863