Quarter	Sterling (millions)
2011-06-30	11
2011-09-30	-3
2011-12-31	-6
2012-03-31	15
2012-06-30	-1
2012-09-30	-10
2012-12-31	81
2013-03-31	37
2013-06-30	-87
2013-09-30	14
2013-12-31	-46
2014-03-31	29
2014-06-30	-52
2014-09-30	17
2014-12-31	-30
2015-03-31	30
2015-06-30	42
2015-09-30	-46
2015-12-31	39
2016-03-31	155
2016-06-30	-77
2016-09-30	-38
2016-12-31	-44
2017-03-31	4
2017-06-30	16
2017-09-30	-18
2017-12-31	-75
2018-03-31	19
2018-06-30	-19
2018-09-30	48
2018-12-31	-24
2019-03-31	137
2019-06-30	25
2019-09-30	-311
2019-12-31	66
2020-03-31	-129
2020-06-30	12
2020-09-30	11
2020-12-31	-6
2021-03-31	-17
2021-06-30	1
2021-09-30	6
2021-12-31	9
2022-03-31	-17
2022-06-30	5
2022-09-30	0
2022-12-31	-5
2023-03-31	60
2023-06-30	-14
2023-09-30	1
2023-12-31	11