Quarter Sterling (millions) 1997-12-31 -6 1998-03-31 88 1998-06-30 -20 1998-09-30 -68 1998-12-31 21 1999-03-31 -19 1999-06-30 35 1999-09-30 -37 1999-12-31 35 2000-03-31 -1 2000-06-30 -10 2000-09-30 149 2000-12-31 -156 2001-03-31 -14 2001-06-30 53 2001-09-30 -52 2001-12-31 1 2002-03-31 29 2002-06-30 7 2002-09-30 -26 2002-12-31 1 2003-03-31 29 2003-06-30 27 2003-09-30 22 2003-12-31 -33 2004-03-31 -13 2004-06-30 19 2004-09-30 18 2004-12-31 -8 2005-03-31 16 2005-06-30 -37 2005-09-30 18 2005-12-31 56 2006-03-31 15 2006-06-30 37 2006-09-30 44 2006-12-31 15 2007-03-31 85 2007-06-30 -87 2007-09-30 38 2007-12-31 42 2008-03-31 52 2008-06-30 1 2008-09-30 -15 2008-12-31 7 2009-03-31 21 2009-06-30 -46 2009-09-30 -8 2009-12-31 23 2010-03-31 -6 2010-06-30 15 2010-09-30 26 2010-12-31 -97 2011-03-31 23 2011-06-30 -9 2011-09-30 22 2011-12-31 -7 2012-03-31 14 2012-06-30 3 2012-09-30 -57 2012-12-31 -46 2013-03-31 -41 2013-06-30 -23 2013-09-30 15 2013-12-31 9 2014-03-31 29 2014-06-30 -15 2014-09-30 10 2014-12-31 13 2015-03-31 56 2015-06-30 0 2015-09-30 3 2015-12-31 22 2016-03-31 23 2016-06-30 -6 2016-09-30 -2 2016-12-31 -33 2017-03-31 1 2017-06-30 17 2017-09-30 0 2017-12-31 -2 2018-03-31 10 2018-06-30 -2 2018-09-30 -3 2018-12-31 -21 2019-03-31 -31 2019-06-30 24 2019-09-30 -5 2019-12-31 7 2020-03-31 -71 2020-06-30 10 2020-09-30 -14 2020-12-31 -14 2021-03-31 -10 2021-06-30 -3 2021-09-30 4 2021-12-31 -13 2022-03-31 -1 2022-06-30 -2 2022-09-30 -5 2022-12-31 -4 2023-03-31 -5 2023-06-30 4 2023-09-30 4 2023-12-31 -3