Quarter	Sterling (millions)
2010-03-31	-2007
2010-06-30	4
2010-09-30	83
2010-12-31	-323
2011-03-31	349
2011-06-30	306
2011-09-30	-519
2011-12-31	1018
2012-03-31	-956
2012-06-30	-162
2012-09-30	178
2012-12-31	-209
2013-03-31	14
2013-06-30	731
2013-09-30	264
2013-12-31	-942
2014-03-31	27
2014-06-30	-103
2014-09-30	89
2014-12-31	-64
2015-03-31	-20
2015-06-30	60
2015-09-30	-63
2015-12-31	8
2016-03-31	25
2016-06-30	-24
2016-09-30	486
2016-12-31	-497
2017-03-31	1134
2017-06-30	-874
2017-09-30	19
2017-12-31	254
2018-03-31	4109
2018-06-30	-4353
2018-09-30	-283
2018-12-31	1031
2019-03-31	-1120
2019-06-30	8
2019-09-30	515
2019-12-31	-292
2020-03-31	2132
2020-06-30	-37
2020-09-30	-2314
2020-12-31	-75
2021-03-31	-99
2021-06-30	-224
2021-09-30	97
2021-12-31	1
2022-03-31	44
2022-06-30	-190
2022-09-30	-6
2022-12-31	128
2023-03-31	-197
2023-06-30	96
2023-09-30	-86
2023-12-31	-35