Quarter Sterling (millions) 2004-03-31 43 2004-06-30 27 2004-09-30 30 2004-12-31 27 2005-03-31 31 2005-06-30 27 2005-09-30 30 2005-12-31 41 2006-03-31 42 2006-06-30 48 2006-09-30 64 2006-12-31 72 2007-03-31 72 2007-06-30 96 2007-09-30 107 2007-12-31 81 2008-03-31 74 2008-06-30 72 2008-09-30 180 2008-12-31 237 2009-03-31 113 2009-06-30 97 2009-09-30 112 2009-12-31 99 2010-03-31 67 2010-06-30 69 2010-09-30 8 2010-12-31 8 2011-03-31 9 2011-06-30 8 2011-09-30 11 2011-12-31 12 2012-03-31 11 2012-06-30 12 2012-09-30 15 2012-12-31 15 2013-03-31 15 2013-06-30 11 2013-09-30 15 2013-12-31 10 2014-03-31 9 2014-06-30 9 2014-09-30 10 2014-12-31 11 2015-03-31 11 2015-06-30 11 2015-09-30 12 2015-12-31 13 2016-03-31 12 2016-06-30 23 2016-09-30 11 2016-12-31 9 2017-03-31 9 2017-06-30 11 2017-09-30 10 2017-12-31 14 2018-03-31 18 2018-06-30 17 2018-09-30 21 2018-12-31 19