Quarter Sterling (millions) 2010-03-31 -60 2010-06-30 4 2010-09-30 -18 2010-12-31 144 2011-03-31 -232 2011-06-30 -79 2011-09-30 -129 2011-12-31 -57 2012-03-31 -39 2012-06-30 -83 2012-09-30 15 2012-12-31 -6 2013-03-31 -22 2013-06-30 -55 2013-09-30 4 2013-12-31 19 2014-03-31 3 2014-06-30 -19 2014-09-30 23 2014-12-31 2 2015-03-31 10 2015-06-30 16 2015-09-30 14 2015-12-31 0 2016-03-31 -31 2016-06-30 37 2016-09-30 -22 2016-12-31 0 2017-03-31 1 2017-06-30 17 2017-09-30 -42 2017-12-31 -3 2018-03-31 16 2018-06-30 219 2018-09-30 -90 2018-12-31 26 2019-03-31 -4 2019-06-30 -117 2019-09-30 -22 2019-12-31 -2 2020-03-31 20 2020-06-30 20 2020-09-30 30 2020-12-31 -36 2021-03-31 4 2021-06-30 99 2021-09-30 -92 2021-12-31 -20 2022-03-31 71 2022-06-30 30 2022-09-30 61 2022-12-31 -5 2023-03-31 -42 2023-06-30 13 2023-09-30 -77 2023-12-31 -170