Quarter	Sterling (millions)
1997-12-31	153
1998-03-31	-23
1998-06-30	-2
1998-09-30	87
1998-12-31	228
1999-03-31	-85
1999-06-30	12
1999-09-30	179
1999-12-31	273
2000-03-31	-63
2000-06-30	9
2000-09-30	108
2000-12-31	153
2001-03-31	-66
2001-06-30	54
2001-09-30	85
2001-12-31	239
2002-03-31	-10
2002-06-30	199
2002-09-30	91
2002-12-31	268
2003-03-31	71
2003-06-30	73
2003-09-30	146
2003-12-31	206
2004-03-31	97
2004-06-30	137
2004-09-30	320
2004-12-31	155
2005-03-31	118
2005-06-30	206
2005-09-30	289
2005-12-31	477
2006-03-31	343
2006-06-30	106
2006-09-30	322
2006-12-31	411
2007-03-31	144
2007-06-30	-81
2007-09-30	503
2007-12-31	621
2008-03-31	274
2008-06-30	274
2008-09-30	430
2008-12-31	756
2009-03-31	281
2009-06-30	86
2009-09-30	481
2009-12-31	407
2010-03-31	207
2010-06-30	-145
2010-09-30	183
2010-12-31	296
2011-03-31	73
2011-06-30	230
2011-09-30	195
2011-12-31	161
2012-03-31	-9
2012-06-30	-11
2012-09-30	62
2012-12-31	553
2013-03-31	199
2013-06-30	-310
2013-09-30	-140
2013-12-31	36
2014-03-31	-64
2014-06-30	22
2014-09-30	-29
2014-12-31	202
2015-03-31	-76
2015-06-30	0
2015-09-30	-223
2015-12-31	-63
2016-03-31	-26
2016-06-30	-60
2016-09-30	29
2016-12-31	-77
2017-03-31	-80
2017-06-30	-163
2017-09-30	48
2017-12-31	-102
2018-03-31	-194
2018-06-30	-49
2018-09-30	44
2018-12-31	-106
2019-03-31	-298
2019-06-30	-116
2019-09-30	35
2019-12-31	18
2020-03-31	807
2020-06-30	14
2020-09-30	-320
2020-12-31	-26
2021-03-31	-19
2021-06-30	-371
2021-09-30	-108
2021-12-31	-192
2022-03-31	-165
2022-06-30	-260
2022-09-30	-234
2022-12-31	-130
2023-03-31	-235
2023-06-30	-106
2023-09-30	270
2023-12-31	-51