Quarter	Sterling (millions)
1997-12-31	357
1998-03-31	16
1998-06-30	255
1998-09-30	368
1998-12-31	-65
1999-03-31	-46
1999-06-30	331
1999-09-30	-4
1999-12-31	218
2000-03-31	299
2000-06-30	-225
2000-09-30	297
2000-12-31	167
2001-03-31	230
2001-06-30	0
2001-09-30	304
2001-12-31	195
2002-03-31	-82
2002-06-30	73
2002-09-30	548
2002-12-31	70
2003-03-31	262
2003-06-30	394
2003-09-30	-281
2003-12-31	370
2004-03-31	696
2004-06-30	-342
2004-09-30	192
2004-12-31	798
2005-03-31	605
2005-06-30	-229
2005-09-30	562
2005-12-31	948
2006-03-31	465
2006-06-30	1217
2006-09-30	295
2006-12-31	1046
2007-03-31	725
2007-06-30	583
2007-09-30	1351
2007-12-31	-870
2008-03-31	-434
2008-06-30	-856
2008-09-30	-792
2008-12-31	275
2009-03-31	104
2009-06-30	661
2009-09-30	-2283
2009-12-31	-1161
2010-03-31	369
2010-06-30	842
2010-09-30	29
2010-12-31	57
2011-03-31	-887
2011-06-30	1
2011-09-30	548
2011-12-31	279
2012-03-31	-17
2012-06-30	358
2012-09-30	-23
2012-12-31	253
2013-03-31	-568
2013-06-30	193
2013-09-30	-331
2013-12-31	-96
2014-03-31	-43
2014-06-30	-43
2014-09-30	-378
2014-12-31	919
2015-03-31	1679
2015-06-30	-1672
2015-09-30	-14
2015-12-31	-426
2016-03-31	-597
2016-06-30	217
2016-09-30	-282
2016-12-31	1019
2017-03-31	-78
2017-06-30	-253
2017-09-30	-457
2017-12-31	-245
2018-03-31	-216
2018-06-30	-140
2018-09-30	205
2018-12-31	-1291
2019-03-31	1635
2019-06-30	272
2019-09-30	-761
2019-12-31	-339