Quarter Sterling (millions) 1997-12-31 4 1998-03-31 -12 1998-06-30 14 1998-09-30 -5 1998-12-31 -1 1999-03-31 12 1999-06-30 -14 1999-09-30 -8 1999-12-31 0 2000-03-31 3 2000-06-30 0 2000-09-30 6 2000-12-31 13 2001-03-31 5 2001-06-30 0 2001-09-30 19 2001-12-31 7 2002-03-31 2 2002-06-30 6 2002-09-30 -2 2002-12-31 -5 2003-03-31 0 2003-06-30 -1 2003-09-30 7 2003-12-31 -12 2004-03-31 -3 2004-06-30 4 2004-09-30 143 2004-12-31 13 2005-03-31 30 2005-06-30 10 2005-09-30 -40 2005-12-31 -15 2006-03-31 5 2006-06-30 23 2006-09-30 -29 2006-12-31 6 2007-03-31 85 2007-06-30 23 2007-09-30 -49 2007-12-31 7 2008-03-31 12 2008-06-30 8 2008-09-30 -38 2008-12-31 16 2009-03-31 28 2009-06-30 -1 2009-09-30 0 2009-12-31 -4 2010-03-31 3 2010-06-30 10 2010-09-30 7 2010-12-31 -2 2011-03-31 -3 2011-06-30 6 2011-09-30 4 2011-12-31 16 2012-03-31 -6 2012-06-30 0 2012-09-30 -23 2012-12-31 17 2013-03-31 3 2013-06-30 0 2013-09-30 -19 2013-12-31 21 2014-03-31 -17 2014-06-30 8 2014-09-30 24 2014-12-31 -15 2015-03-31 9 2015-06-30 -8 2015-09-30 6 2015-12-31 -40 2016-03-31 -1 2016-06-30 -24 2016-09-30 -3 2016-12-31 -2 2017-03-31 16 2017-06-30 -1 2017-09-30 16 2017-12-31 -4 2018-03-31 11 2018-06-30 -22 2018-09-30 -7 2018-12-31 20 2019-03-31 2 2019-06-30 38 2019-09-30 18 2019-12-31 34