Quarter	Sterling (millions)
1997-12-31	-38
1998-03-31	207
1998-06-30	58
1998-09-30	183
1998-12-31	-197
1999-03-31	220
1999-06-30	-284
1999-09-30	231
1999-12-31	33
2000-03-31	26
2000-06-30	6
2000-09-30	94
2000-12-31	133
2001-03-31	272
2001-06-30	-3
2001-09-30	61
2001-12-31	97
2002-03-31	81
2002-06-30	-16
2002-09-30	195
2002-12-31	309
2003-03-31	217
2003-06-30	126
2003-09-30	-187
2003-12-31	-46
2004-03-31	148
2004-06-30	30
2004-09-30	177
2004-12-31	177
2005-03-31	-218
2005-06-30	133
2005-09-30	506
2005-12-31	364
2006-03-31	178
2006-06-30	866
2006-09-30	912
2006-12-31	101
2007-03-31	450
2007-06-30	399
2007-09-30	545
2007-12-31	877
2008-03-31	768
2008-06-30	29
2008-09-30	242
2008-12-31	94
2009-03-31	51
2009-06-30	-238
2009-09-30	-200
2009-12-31	-289
2010-03-31	-97
2010-06-30	-282
2010-09-30	-194
2010-12-31	-119
2011-03-31	91
2011-06-30	-182
2011-09-30	-109
2011-12-31	-217
2012-03-31	59
2012-06-30	-127
2012-09-30	8
2012-12-31	-148
2013-03-31	95
2013-06-30	-334
2013-09-30	-100
2013-12-31	-148
2014-03-31	-155
2014-06-30	30
2014-09-30	-63
2014-12-31	246
2015-03-31	-235
2015-06-30	44
2015-09-30	-30
2015-12-31	-256
2016-03-31	0
2016-06-30	72
2016-09-30	91
2016-12-31	309
2017-03-31	193
2017-06-30	-79
2017-09-30	196
2017-12-31	-317
2018-03-31	-18
2018-06-30	29
2018-09-30	107
2018-12-31	23
2019-03-31	-100
2019-06-30	141
2019-09-30	186
2019-12-31	154