Quarter Sterling (millions) 2004-03-31 24 2004-06-30 41 2004-09-30 49 2004-12-31 64 2005-03-31 32 2005-06-30 42 2005-09-30 34 2005-12-31 35 2006-03-31 28 2006-06-30 34 2006-09-30 31 2006-12-31 36 2007-03-31 58 2007-06-30 25 2007-09-30 30 2007-12-31 38 2008-03-31 44 2008-06-30 37 2008-09-30 41 2008-12-31 25 2009-03-31 16 2009-06-30 18 2009-09-30 34 2009-12-31 60 2010-03-31 68 2010-06-30 65 2010-09-30 76 2010-12-31 73 2011-03-31 42 2011-06-30 38 2011-09-30 32 2011-12-31 80 2012-03-31 56 2012-06-30 32 2012-09-30 60 2012-12-31 68 2013-03-31 39 2013-06-30 82 2013-09-30 40 2013-12-31 42 2014-03-31 30 2014-06-30 25 2014-09-30 17 2014-12-31 47 2015-03-31 35 2015-06-30 25 2015-09-30 36 2015-12-31 34 2016-03-31 35 2016-06-30 32 2016-09-30 47 2016-12-31 56 2017-03-31 51 2017-06-30 37 2017-09-30 36 2017-12-31 65 2018-03-31 57 2018-06-30 37 2018-09-30 33 2018-12-31 32