Quarter Sterling (millions) 2011-06-30 -462 2011-09-30 -179 2011-12-31 -779 2012-03-31 -159 2012-06-30 -131 2012-09-30 257 2012-12-31 -197 2013-03-31 -192 2013-06-30 -196 2013-09-30 -5 2013-12-31 -103 2014-03-31 -116 2014-06-30 -80 2014-09-30 -51 2014-12-31 -2 2015-03-31 -348 2015-06-30 15 2015-09-30 -8 2015-12-31 33 2016-03-31 -78 2016-06-30 -36 2016-09-30 -27 2016-12-31 -159 2017-03-31 43 2017-06-30 11 2017-09-30 175 2017-12-31 -7 2018-03-31 280 2018-06-30 154 2018-09-30 -143 2018-12-31 -25 2019-03-31 -20 2019-06-30 98 2019-09-30 -56 2019-12-31 21 2020-03-31 -80 2020-06-30 -8 2020-09-30 69 2020-12-31 41 2021-03-31 254 2021-06-30 -246 2021-09-30 8 2021-12-31 90 2022-03-31 -80 2022-06-30 72 2022-09-30 36 2022-12-31 -53 2023-03-31 -47 2023-06-30 6 2023-09-30 61 2023-12-31 -12