Quarter Sterling (millions) 2004-03-31 3484 2004-06-30 3618 2004-09-30 4015 2004-12-31 4563 2005-03-31 5022 2005-06-30 5690 2005-09-30 6516 2005-12-31 7733 2006-03-31 9067 2006-06-30 9899 2006-09-30 10373 2006-12-31 11353 2007-03-31 11320 2007-06-30 12114 2007-09-30 13316 2007-12-31 14762 2008-03-31 14638 2008-06-30 14040 2008-09-30 14619 2008-12-31 16935 2009-03-31 10322 2009-06-30 7207 2009-09-30 5938 2009-12-31 5958 2010-03-31 5337 2010-06-30 5290 2010-09-30 5642 2010-12-31 5816 2011-03-31 6387 2011-06-30 6526 2011-09-30 6857 2011-12-31 6279 2012-03-31 5579 2012-06-30 5419 2012-09-30 5090 2012-12-31 4574 2013-03-31 4518 2013-06-30 4468 2013-09-30 4204 2013-12-31 4222 2014-03-31 3890 2014-06-30 3954 2014-09-30 3736 2014-12-31 3473 2015-03-31 3378 2015-06-30 3462 2015-09-30 3233 2015-12-31 3387 2016-03-31 3846 2016-06-30 4008 2016-09-30 4717 2016-12-31 4808 2017-03-31 4811 2017-06-30 5047 2017-09-30 5279 2017-12-31 5568 2018-03-31 5940 2018-06-30 6955 2018-09-30 7371 2018-12-31 7895 2019-03-31 7623 2019-06-30 7866 2019-09-30 7943