Quarter Sterling (millions) 2004-03-31 11861 2004-06-30 12377 2004-09-30 13401 2004-12-31 15330 2005-03-31 16835 2005-06-30 19878 2005-09-30 21291 2005-12-31 24491 2006-03-31 27897 2006-06-30 31226 2006-09-30 32549 2006-12-31 34477 2007-03-31 36660 2007-06-30 40218 2007-09-30 41628 2007-12-31 43314 2008-03-31 40348 2008-06-30 36393 2008-09-30 37825 2008-12-31 38417 2009-03-31 22094 2009-06-30 16626 2009-09-30 12434 2009-12-31 12059 2010-03-31 11233 2010-06-30 12075 2010-09-30 12019 2010-12-31 13135 2011-03-31 12501 2011-06-30 14570 2011-09-30 13999 2011-12-31 12849 2012-03-31 12102 2012-06-30 11422 2012-09-30 10631 2012-12-31 10048 2013-03-31 9979 2013-06-30 9258 2013-09-30 8403 2013-12-31 7996 2014-03-31 7879 2014-06-30 8044 2014-09-30 7526 2014-12-31 6797 2015-03-31 6349 2015-06-30 6319 2015-09-30 6172 2015-12-31 6333 2016-03-31 7090 2016-06-30 7546 2016-09-30 7825 2016-12-31 8304 2017-03-31 9296 2017-06-30 10168 2017-09-30 10512 2017-12-31 11152 2018-03-31 11212 2018-06-30 13336 2018-09-30 13849 2018-12-31 15445 2019-03-31 15420 2019-06-30 17145 2019-09-30 16887