Quarter	Sterling (millions)
1997-12-31	277
1998-03-31	752
1998-06-30	287
1998-09-30	323
1998-12-31	-112
1999-03-31	463
1999-06-30	7
1999-09-30	-240
1999-12-31	264
2000-03-31	120
2000-06-30	701
2000-09-30	619
2000-12-31	651
2001-03-31	-390
2001-06-30	296
2001-09-30	-376
2001-12-31	-261
2002-03-31	-256
2002-06-30	-742
2002-09-30	-401
2002-12-31	-158
2003-03-31	591
2003-06-30	-466
2003-09-30	-28
2003-12-31	-238
2004-03-31	423
2004-06-30	-6
2004-09-30	-355
2004-12-31	825
2005-03-31	330
2005-06-30	392
2005-09-30	208
2005-12-31	840
2006-03-31	749
2006-06-30	557
2006-09-30	629
2006-12-31	137
2007-03-31	1834
2007-06-30	492
2007-09-30	1599
2007-12-31	867
2008-03-31	1501
2008-06-30	-903
2008-09-30	-1624
2008-12-31	2873
2009-03-31	-943
2009-06-30	-1517
2009-09-30	-275
2009-12-31	483
2010-03-31	71
2010-06-30	-1190
2010-09-30	1236
2010-12-31	-12
2011-03-31	-542
2011-06-30	-79
2011-09-30	-124
2011-12-31	-1447
2012-03-31	-269
2012-06-30	-158
2012-09-30	-432
2012-12-31	-489
2013-03-31	1396
2013-06-30	-38
2013-09-30	-1263
2013-12-31	641
2014-03-31	-1441
2014-06-30	421
2014-09-30	730
2014-12-31	-1452
2015-03-31	1555
2015-06-30	-272
2015-09-30	520
2015-12-31	21
2016-03-31	912
2016-06-30	569
2016-09-30	1239
2016-12-31	-1188
2017-03-31	1009
2017-06-30	-1444
2017-09-30	-724
2017-12-31	1228
2018-03-31	-1771
2018-06-30	1204
2018-09-30	-821
2018-12-31	36
2019-03-31	770
2019-06-30	-450
2019-09-30	319
2019-12-31	710
2020-03-31	2707
2020-06-30	-2808
2020-09-30	-519
2020-12-31	916