Quarter	Sterling (millions)
1997-12-31	104
1998-03-31	93
1998-06-30	396
1998-09-30	-56
1998-12-31	-26
1999-03-31	356
1999-06-30	-350
1999-09-30	-29
1999-12-31	472
2000-03-31	-169
2000-06-30	334
2000-09-30	148
2000-12-31	137
2001-03-31	106
2001-06-30	316
2001-09-30	453
2001-12-31	-43
2002-03-31	159
2002-06-30	-22
2002-09-30	-219
2002-12-31	185
2003-03-31	116
2003-06-30	-296
2003-09-30	-36
2003-12-31	-127
2004-03-31	361
2004-06-30	103
2004-09-30	6
2004-12-31	19
2005-03-31	257
2005-06-30	214
2005-09-30	77
2005-12-31	263
2006-03-31	120
2006-06-30	644
2006-09-30	443
2006-12-31	182
2007-03-31	300
2007-06-30	-125
2007-09-30	427
2007-12-31	719
2008-03-31	698
2008-06-30	-95
2008-09-30	193
2008-12-31	664
2009-03-31	-326
2009-06-30	-1379
2009-09-30	633
2009-12-31	-1950
2010-03-31	-66
2010-06-30	-379
2010-09-30	-90
2010-12-31	-392
2011-03-31	188
2011-06-30	-613
2011-09-30	-248
2011-12-31	57
2012-03-31	-33
2012-06-30	-154
2012-09-30	105
2012-12-31	432
2013-03-31	169
2013-06-30	82
2013-09-30	26
2013-12-31	90
2014-03-31	319
2014-06-30	4
2014-09-30	297
2014-12-31	335
2015-03-31	-21
2015-06-30	578
2015-09-30	86
2015-12-31	40
2016-03-31	568
2016-06-30	685
2016-09-30	242
2016-12-31	564
2017-03-31	719
2017-06-30	-135
2017-09-30	-624
2017-12-31	9
2018-03-31	-275
2018-06-30	457
2018-09-30	320
2018-12-31	184
2019-03-31	39
2019-06-30	376
2019-09-30	17
2019-12-31	-645
2020-03-31	155
2020-06-30	254
2020-09-30	-316
2020-12-31	-317