Quarter Sterling (millions) 2004-03-31 4953 2004-06-30 5042 2004-09-30 5619 2004-12-31 6530 2005-03-31 6989 2005-06-30 7969 2005-09-30 9063 2005-12-31 10350 2006-03-31 12149 2006-06-30 13397 2006-09-30 14156 2006-12-31 15369 2007-03-31 16023 2007-06-30 17193 2007-09-30 18196 2007-12-31 20270 2008-03-31 20182 2008-06-30 18982 2008-09-30 19849 2008-12-31 23030 2009-03-31 14194 2009-06-30 9601 2009-09-30 7760 2009-12-31 7812 2010-03-31 6897 2010-06-30 6904 2010-09-30 7326 2010-12-31 7683 2011-03-31 8257 2011-06-30 8566 2011-09-30 8875 2011-12-31 8186 2012-03-31 7338 2012-06-30 7013 2012-09-30 6604 2012-12-31 6060 2013-03-31 5841 2013-06-30 5650 2013-09-30 5340 2013-12-31 5295 2014-03-31 4880 2014-06-30 5022 2014-09-30 4880 2014-12-31 4690 2015-03-31 4359 2015-06-30 4503 2015-09-30 4341 2015-12-31 4575 2016-03-31 5027 2016-06-30 5432 2016-09-30 5912 2016-12-31 6010 2017-03-31 6265 2017-06-30 6517 2017-09-30 6720 2017-12-31 7521 2018-03-31 7388 2018-06-30 8705 2018-09-30 8996 2018-12-31 9561 2019-03-31 9140 2019-06-30 9391 2019-09-30 9525