Quarter Sterling (millions) 2010-03-31 -59 2010-06-30 72 2010-09-30 -42 2010-12-31 29 2011-03-31 250 2011-06-30 -229 2011-09-30 -36 2011-12-31 74 2012-03-31 72 2012-06-30 89 2012-09-30 26 2012-12-31 -96 2013-03-31 13 2013-06-30 117 2013-09-30 -204 2013-12-31 67 2014-03-31 -63 2014-06-30 32 2014-09-30 -44 2014-12-31 57 2015-03-31 -157 2015-06-30 0 2015-09-30 14 2015-12-31 -49 2016-03-31 -33 2016-06-30 26 2016-09-30 -20 2016-12-31 69 2017-03-31 -15 2017-06-30 17 2017-09-30 -89 2017-12-31 59 2018-03-31 -49 2018-06-30 -6 2018-09-30 -31 2018-12-31 37 2019-03-31 97 2019-06-30 -10 2019-09-30 69 2019-12-31 -45 2020-03-31 152 2020-06-30 -66 2020-09-30 -16 2020-12-31 57 2021-03-31 -27 2021-06-30 69 2021-09-30 -43 2021-12-31 44 2022-03-31 -24 2022-06-30 -35 2022-09-30 -86 2022-12-31 -28 2023-03-31 -60 2023-06-30 96 2023-09-30 -55 2023-12-31 -6