Quarter Sterling (millions) 2004-03-31 13903 2004-06-30 14581 2004-09-30 13994 2004-12-31 15012 2005-03-31 14491 2005-06-30 14744 2005-09-30 15893 2005-12-31 16524 2006-03-31 16787 2006-06-30 16345 2006-09-30 15982 2006-12-31 17767 2007-03-31 17348 2007-06-30 18463 2007-09-30 17019 2007-12-31 18124 2008-03-31 18246 2008-06-30 17999 2008-09-30 19084 2008-12-31 21019 2009-03-31 18561 2009-06-30 18763 2009-09-30 19011 2009-12-31 19414 2010-03-31 19179 2010-06-30 19792 2010-09-30 19714 2010-12-31 21675 2011-03-31 21400 2011-06-30 20989 2011-09-30 21051 2011-12-31 21970 2012-03-31 21229 2012-06-30 20948 2012-09-30 19852 2012-12-31 21651 2013-03-31 21169 2013-06-30 20770 2013-09-30 20155 2013-12-31 21656 2014-03-31 20092 2014-06-30 20744 2014-09-30 21282 2014-12-31 22692 2015-03-31 21300 2015-06-30 21060 2015-09-30 20822 2015-12-31 22434 2016-03-31 21969 2016-06-30 23195 2016-09-30 23183 2016-12-31 25029 2017-03-31 22872 2017-06-30 23242 2017-09-30 23189 2017-12-31 24605 2018-03-31 22155 2018-06-30 22561 2018-09-30 22473 2018-12-31 22388 2019-03-31 22247 2019-06-30 22626 2019-09-30 22194 2019-12-31 23009 2020-03-31 22164 2020-06-30 22358 2020-09-30 21776 2020-12-31 22428 2021-03-31 21617 2021-06-30 21443 2021-09-30 21571 2021-12-31 23299 2022-03-31 22391 2022-06-30 22774 2022-09-30 23454 2022-12-31 24708 2023-03-31 23565 2023-06-30 23535 2023-09-30 23937