Quarter	Sterling (millions)
1997-12-31	113
1998-03-31	-109
1998-06-30	211
1998-09-30	542
1998-12-31	-100
1999-03-31	-265
1999-06-30	79
1999-09-30	-576
1999-12-31	59
2000-03-31	58
2000-06-30	161
2000-09-30	51
2000-12-31	711
2001-03-31	250
2001-06-30	201
2001-09-30	0
2001-12-31	-68
2002-03-31	-162
2002-06-30	66
2002-09-30	344
2002-12-31	-116
2003-03-31	-104
2003-06-30	109
2003-09-30	267
2003-12-31	-15
2004-03-31	-5
2004-06-30	41
2004-09-30	648
2004-12-31	249
2005-03-31	-328
2005-06-30	312
2005-09-30	251
2005-12-31	258
2006-03-31	-11
2006-06-30	386
2006-09-30	202
2006-12-31	417
2007-03-31	40
2007-06-30	605
2007-09-30	133
2007-12-31	39
2008-03-31	-85
2008-06-30	355
2008-09-30	-46
2008-12-31	-35
2009-03-31	-915
2009-06-30	-167
2009-09-30	97
2009-12-31	534
2010-03-31	508
2010-06-30	445
2010-09-30	33
2010-12-31	109
2011-03-31	-192
2011-06-30	285
2011-09-30	-95
2011-12-31	145
2012-03-31	-222
2012-06-30	317
2012-09-30	45
2012-12-31	398
2013-03-31	-143
2013-06-30	872
2013-09-30	-456
2013-12-31	615
2014-03-31	-556
2014-06-30	475
2014-09-30	244
2014-12-31	-162
2015-03-31	-418
2015-06-30	606
2015-09-30	73
2015-12-31	-499
2016-03-31	321
2016-06-30	828
2016-09-30	-448
2016-12-31	899
2017-03-31	-387
2017-06-30	909
2017-09-30	-282
2017-12-31	-4
2018-03-31	225
2018-06-30	181
2018-09-30	410
2018-12-31	-225
2019-03-31	-518
2019-06-30	-858
2019-09-30	-390
2019-12-31	309
2020-03-31	-758
2020-06-30	-5404
2020-09-30	-59
2020-12-31	-270
2021-03-31	242
2021-06-30	186
2021-09-30	1000
2021-12-31	1204
2022-03-31	118
2022-06-30	859
2022-09-30	1038
2022-12-31	-210
2023-03-31	-333
2023-06-30	209
2023-09-30	239
2023-12-31	-993