Quarter	Sterling (millions)
1997-12-31	268
1998-03-31	95
1998-06-30	-39
1998-09-30	-116
1998-12-31	338
1999-03-31	-172
1999-06-30	936
1999-09-30	37
1999-12-31	-184
2000-03-31	663
2000-06-30	647
2000-09-30	-147
2000-12-31	-412
2001-03-31	376
2001-06-30	309
2001-09-30	-703
2001-12-31	-193
2002-03-31	44
2002-06-30	-574
2002-09-30	-623
2002-12-31	246
2003-03-31	-366
2003-06-30	66
2003-09-30	-302
2003-12-31	-516
2004-03-31	326
2004-06-30	-117
2004-09-30	-208
2004-12-31	-194
2005-03-31	118
2005-06-30	108
2005-09-30	-352
2005-12-31	243
2006-03-31	123
2006-06-30	553
2006-09-30	374
2006-12-31	-2
2007-03-31	-33
2007-06-30	1028
2007-09-30	-374
2007-12-31	-42
2008-03-31	178
2008-06-30	122
2008-09-30	335
2008-12-31	-325
2009-03-31	997
2009-06-30	-1028
2009-09-30	-1585
2009-12-31	67
2010-03-31	-799
2010-06-30	-561
2010-09-30	-139
2010-12-31	-81
2011-03-31	315
2011-06-30	-19
2011-09-30	-223
2011-12-31	-191
2012-03-31	-200
2012-06-30	177
2012-09-30	-105
2012-12-31	-124
2013-03-31	227
2013-06-30	39
2013-09-30	-186
2013-12-31	-181
2014-03-31	475
2014-06-30	1
2014-09-30	412
2014-12-31	-41
2015-03-31	78
2015-06-30	-264
2015-09-30	-36
2015-12-31	-477
2016-03-31	185
2016-06-30	362
2016-09-30	-633
2016-12-31	-260
2017-03-31	544
2017-06-30	-354
2017-09-30	1
2017-12-31	-225
2018-03-31	545
2018-06-30	115
2018-09-30	-39
2018-12-31	-240
2019-03-31	164
2019-06-30	-30
2019-09-30	-49
2019-12-31	73
2020-03-31	405
2020-06-30	372
2020-09-30	-84
2020-12-31	-73
2021-03-31	-107
2021-06-30	-115
2021-09-30	-390
2021-12-31	66
2022-03-31	81
2022-06-30	68
2022-09-30	104
2022-12-31	120
2023-03-31	-215
2023-06-30	-109
2023-09-30	98
2023-12-31	-62