Quarter Sterling (millions) 1997-09-30 18248 1997-12-31 16982 1998-03-31 18360 1998-06-30 18220 1998-09-30 19297 1998-12-31 17265 1999-03-31 18609 1999-06-30 18661 1999-09-30 18337 1999-12-31 17621 2000-03-31 19154 2000-06-30 20420 2000-09-30 24041 2000-12-31 21928 2001-03-31 22718 2001-06-30 20262 2001-09-30 19043 2001-12-31 18807 2002-03-31 18770 2002-06-30 18491 2002-09-30 16048 2002-12-31 14308 2003-03-31 14207 2003-06-30 14493 2003-09-30 13911 2003-12-31 12250 2004-03-31 11780 2004-06-30 11099 2004-09-30 12540 2004-12-31 13223 2005-03-31 12825 2005-06-30 14677 2005-09-30 14860 2005-12-31 13456 2006-03-31 13185 2006-06-30 13757 2006-09-30 13715 2006-12-31 15024 2007-03-31 15532 2007-06-30 14468 2007-09-30 14247 2007-12-31 13116 2008-03-31 14976 2008-06-30 16128 2008-09-30 17450 2008-12-31 18144 2009-03-31 17513 2009-06-30 16489 2009-09-30 16632 2009-12-31 15668 2010-03-31 15343 2010-06-30 14410 2010-09-30 17241 2010-12-31 17179 2011-03-31 14959 2011-06-30 15479 2011-09-30 16350 2011-12-31 16147 2012-03-31 16070 2012-06-30 15322 2012-09-30 16197 2012-12-31 16344 2013-03-31 16103 2013-06-30 16110 2013-09-30 19091 2013-12-31 19639 2014-03-31 19941 2014-06-30 20268 2014-09-30 20864 2014-12-31 21230 2015-03-31 21587 2015-06-30 22036 2015-09-30 22492 2015-12-31 23611 2016-03-31 23830 2016-06-30 25101 2016-09-30 25140 2016-12-31 26097 2017-03-31 28612 2017-06-30 27730 2017-09-30 27318 2017-12-31 27695 2018-03-31 28087 2018-06-30 28214 2018-09-30 28411 2018-12-31 29580 2019-03-31 29006 2019-06-30 29763 2019-09-30 31193 2019-12-31 31485 2020-03-31 31219 2020-06-30 34071 2020-09-30 34481 2020-12-31 37115 2021-03-31 40958 2021-06-30 48221 2021-09-30 49460 2021-12-31 52380 2022-03-31 51182 2022-06-30 48721 2022-09-30 51925 2022-12-31 50166 2023-03-31 48968 2023-06-30 50904 2023-09-30 52550 2023-12-31 52544