Quarter Sterling (millions) 2004-03-31 38 2004-09-30 53 2004-12-31 61 2005-03-31 61 2005-09-30 67 2006-03-31 73 2006-06-30 76 2006-09-30 81 2006-12-31 85 2007-09-30 90 2007-12-31 90 2008-06-30 98 2008-09-30 102 2009-09-30 96 2011-03-31 90 2011-06-30 69 2011-09-30 71 2011-12-31 71 2012-03-31 72 2012-06-30 74 2012-09-30 75 2012-12-31 77 2013-03-31 75 2013-06-30 76 2013-09-30 75 2013-12-31 76 2014-03-31 76 2014-06-30 77 2014-09-30 77 2014-12-31 78 2015-03-31 77 2015-06-30 77 2015-09-30 79 2015-12-31 78 2016-03-31 77 2016-06-30 77 2016-09-30 78 2016-12-31 77 2017-03-31 75 2017-06-30 72 2017-09-30 70 2017-12-31 69 2018-03-31 63 2018-06-30 68 2018-09-30 68 2018-12-31 62 2019-03-31 54 2019-06-30 33 2019-09-30 33 2019-12-31 31 2020-03-31 34 2020-06-30 19 2020-09-30 19 2020-12-31 19 2021-03-31 19 2021-06-30 32 2021-09-30 33 2021-12-31 34 2022-03-31 33 2022-06-30 34 2022-09-30 33 2022-12-31 36