Quarter Sterling (millions) 2004-03-31 1248 2004-06-30 1462 2004-09-30 1571 2004-12-31 1938 2005-03-31 2244 2005-06-30 2609 2005-09-30 2968 2005-12-31 3382 2006-03-31 3733 2006-06-30 4448 2006-09-30 4436 2006-12-31 4634 2007-03-31 5381 2007-06-30 6489 2007-09-30 6722 2007-12-31 7098 2008-03-31 5724 2008-06-30 4981 2008-09-30 4761 2008-12-31 4766 2009-03-31 1571 2009-06-30 1016 2009-09-30 551 2009-12-31 461 2010-03-31 451 2010-06-30 535 2010-09-30 545 2010-12-31 578 2011-03-31 643 2011-06-30 879 2011-09-30 897 2011-12-31 815 2012-03-31 592 2012-06-30 643 2012-09-30 459 2012-12-31 454 2013-03-31 454 2013-06-30 538 2013-09-30 375 2013-12-31 302 2014-03-31 477 2014-06-30 601 2014-09-30 304 2014-12-31 315 2015-03-31 336 2015-06-30 385 2015-09-30 336 2015-12-31 429 2016-03-31 449 2016-06-30 443 2016-09-30 519 2016-12-31 552 2017-03-31 765 2017-06-30 968 2017-09-30 1160 2017-12-31 1095 2018-03-31 1020 2018-06-30 1322 2018-09-30 1466 2018-12-31 1597