Quarter Sterling (millions) 2004-03-31 1282 2004-06-30 1335 2004-09-30 1271 2004-12-31 1425 2005-03-31 1443 2005-06-30 1646 2005-09-30 1622 2005-12-31 1722 2006-03-31 2061 2006-06-30 2124 2006-09-30 1979 2006-12-31 2019 2007-03-31 2120 2007-06-30 2513 2007-09-30 2281 2007-12-31 2478 2008-03-31 1994 2008-06-30 2532 2008-09-30 2531 2008-12-31 2501 2009-03-31 1968 2009-06-30 2286 2009-09-30 1919 2009-12-31 2132 2010-03-31 2070 2010-06-30 2207 2010-09-30 2151 2010-12-31 2436 2011-03-31 1783 2011-06-30 1955 2011-09-30 1999 2011-12-31 1760 2012-03-31 2058 2012-06-30 1813 2012-09-30 1661 2012-12-31 1808 2013-03-31 1880 2013-06-30 1961 2013-09-30 1815 2013-12-31 1792 2014-03-31 2009 2014-06-30 2096 2014-09-30 1784 2014-12-31 1941 2015-03-31 1922 2015-06-30 1928 2015-09-30 1559 2015-12-31 1927 2016-03-31 1901 2016-06-30 2015 2016-09-30 1968 2016-12-31 2352 2017-03-31 2429 2017-06-30 2341 2017-09-30 2749 2017-12-31 2506 2018-03-31 2333 2018-06-30 2569 2018-09-30 2287 2018-12-31 2357