Quarter	Sterling (millions)
2010-03-31	-12
2010-06-30	5
2010-09-30	30
2010-12-31	8
2011-03-31	-18
2011-06-30	-3
2011-09-30	-12
2011-12-31	8
2012-03-31	-1
2012-06-30	13
2012-09-30	-14
2012-12-31	37
2013-03-31	-3
2013-06-30	-18
2013-09-30	24
2013-12-31	21
2014-03-31	9
2014-06-30	-3
2014-09-30	25
2014-12-31	12
2015-03-31	-27
2015-06-30	-18
2015-09-30	81
2015-12-31	5
2016-03-31	-71
2016-06-30	33
2016-09-30	32
2016-12-31	6
2017-03-31	-32
2017-06-30	-11
2017-09-30	14
2017-12-31	-10
2018-03-31	5
2018-06-30	4
2018-09-30	14
2018-12-31	51
2019-03-31	259
2019-06-30	88
2019-09-30	-105
2019-12-31	-14
2020-03-31	43
2020-06-30	-50
2020-09-30	-41
2020-12-31	210
2021-03-31	149
2021-06-30	-134
2021-09-30	-115
2021-12-31	29
2022-03-31	29
2022-06-30	-116
2022-09-30	30
2022-12-31	150
2023-03-31	77
2023-06-30	97
2023-09-30	-130
2023-12-31	115