Quarter Sterling (millions) 2004-03-31 28 2004-06-30 26 2004-09-30 28 2004-12-31 26 2005-03-31 30 2005-06-30 24 2005-09-30 27 2005-12-31 37 2006-03-31 35 2006-06-30 34 2006-09-30 40 2006-12-31 54 2007-03-31 52 2007-06-30 55 2007-09-30 59 2007-12-31 52 2008-03-31 63 2008-06-30 67 2008-09-30 175 2008-12-31 231 2009-03-31 112 2009-06-30 96 2009-09-30 111 2009-12-31 99 2010-03-31 67 2010-06-30 69 2010-09-30 8 2010-12-31 8 2011-03-31 8 2011-06-30 8 2011-09-30 10 2011-12-31 10 2012-03-31 11 2012-06-30 11 2012-09-30 14 2012-12-31 14 2013-03-31 15 2013-06-30 10 2013-09-30 15 2013-12-31 9 2014-03-31 8 2014-06-30 8 2014-09-30 9 2014-12-31 10 2015-03-31 11 2015-06-30 11 2015-09-30 12 2015-12-31 12 2016-03-31 10 2016-06-30 11 2016-09-30 10 2016-12-31 9 2017-03-31 6 2017-06-30 7 2017-09-30 7 2017-12-31 10 2018-03-31 15 2018-06-30 14 2018-09-30 18 2018-12-31 16