Quarter	Sterling (millions)
1997-12-31	831
1998-03-31	771
1998-06-30	682
1998-09-30	771
1998-12-31	862
1999-03-31	655
1999-06-30	755
1999-09-30	544
1999-12-31	568
2000-03-31	485
2000-06-30	577
2000-09-30	391
2000-12-31	587
2001-03-31	461
2001-06-30	519
2001-09-30	675
2001-12-31	768
2002-03-31	862
2002-06-30	979
2002-09-30	1027
2002-12-31	776
2003-03-31	942
2003-06-30	608
2003-09-30	717
2003-12-31	544
2004-03-31	451
2004-06-30	429
2004-09-30	436
2004-12-31	305
2005-03-31	570
2005-06-30	475
2005-09-30	495
2005-12-31	581
2006-03-31	477
2006-06-30	394
2006-09-30	452
2006-12-31	381
2007-03-31	512
2007-06-30	431
2007-09-30	382
2007-12-31	720
2008-03-31	714
2008-06-30	1442
2008-09-30	1517
2008-12-31	4523
2009-03-31	2241
2009-06-30	3481
2009-09-30	4676
2009-12-31	4753
2010-03-31	4948
2010-06-30	5044
2010-09-30	2999
2010-12-31	2010
2011-03-31	1029
2011-06-30	1054
2011-09-30	299
2011-12-31	255
2012-03-31	317
2012-06-30	632
2012-09-30	821
2012-12-31	672
2013-03-31	436
2013-06-30	556
2013-09-30	831
2013-12-31	1212
2014-03-31	806
2014-06-30	1337
2014-09-30	1522
2014-12-31	1229
2015-03-31	1830
2015-06-30	2271
2015-09-30	2256
2015-12-31	1901
2016-03-31	2432
2016-06-30	2055
2016-09-30	1903
2016-12-31	1813
2017-03-31	1517
2017-06-30	1178
2017-09-30	2358
2017-12-31	2341
2018-03-31	1827
2018-06-30	1722
2018-09-30	1541
2018-12-31	689