Quarter Sterling (millions) 1997-12-31 2351 1998-03-31 2790 1998-06-30 3103 1998-09-30 2965 1998-12-31 3567 1999-03-31 3799 1999-06-30 3665 1999-09-30 3474 1999-12-31 2473 2000-03-31 3644 2000-06-30 4142 2000-09-30 3629 2000-12-31 3657 2001-03-31 3916 2001-06-30 4593 2001-09-30 4340 2001-12-31 4618 2002-03-31 3410 2002-06-30 3150 2002-09-30 3390 2002-12-31 3658 2003-03-31 3936 2003-06-30 3545 2003-09-30 3253 2003-12-31 2917 2004-03-31 3040 2004-06-30 2831 2004-09-30 2646 2004-12-31 4272 2005-03-31 3055 2005-06-30 3277 2005-09-30 3508 2005-12-31 3538 2006-03-31 3481 2006-06-30 3358 2006-09-30 2622 2006-12-31 3373 2007-03-31 3540 2007-06-30 3010 2007-09-30 3557 2007-12-31 3122 2008-03-31 2412 2008-06-30 6139 2008-09-30 3490 2008-12-31 6017 2009-03-31 4313 2009-06-30 6189 2009-09-30 6894 2009-12-31 5580 2010-03-31 7535 2010-06-30 7254 2010-09-30 6362 2010-12-31 5608 2011-03-31 4819 2011-06-30 4409 2011-09-30 5741 2011-12-31 4176 2012-03-31 3948 2012-06-30 5435 2012-09-30 5342 2012-12-31 4181 2013-03-31 4290 2013-06-30 4289 2013-09-30 5697 2013-12-31 5578 2014-03-31 4349 2014-06-30 4863 2014-09-30 5741 2014-12-31 5210 2015-03-31 5347 2015-06-30 6003 2015-09-30 7760 2015-12-31 7110 2016-03-31 5519 2016-06-30 6163 2016-09-30 5843 2016-12-31 5174 2017-03-31 6848 2017-06-30 5248 2017-09-30 5125 2017-12-31 5858 2018-03-31 6088 2018-06-30 5636 2018-09-30 6204 2018-12-31 5029