Quarter Sterling (millions) 2011-06-30 -114 2011-09-30 -95 2011-12-31 306 2012-03-31 -307 2012-06-30 228 2012-09-30 514 2012-12-31 364 2013-03-31 -966 2013-06-30 462 2013-09-30 -67 2013-12-31 1147 2014-03-31 -1172 2014-06-30 -82 2014-09-30 41 2014-12-31 584 2015-03-31 -802 2015-06-30 -22 2015-09-30 -232 2015-12-31 -7 2016-03-31 -219 2016-06-30 -17 2016-09-30 68 2016-12-31 -406 2017-03-31 376 2017-06-30 34 2017-09-30 758 2017-12-31 -759 2018-03-31 -455 2018-06-30 587 2018-09-30 229 2018-12-31 521 2019-03-31 -802 2019-06-30 -547 2019-09-30 315 2019-12-31 51 2020-03-31 -225 2020-06-30 1597 2020-09-30 -1281 2020-12-31 534 2021-03-31 206 2021-06-30 259 2021-09-30 282 2021-12-31 -840 2022-03-31 542 2022-06-30 58 2022-09-30 1339 2022-12-31 -1391 2023-03-31 -271 2023-06-30 361 2023-09-30 750 2023-12-31 -77