Quarter Sterling (millions) 2004-03-31 3803 2004-06-30 4117 2004-09-30 4224 2004-12-31 4402 2005-03-31 4202 2005-06-30 4353 2005-09-30 4524 2005-12-31 4663 2006-03-31 4499 2006-06-30 4289 2006-09-30 4518 2006-12-31 4822 2007-03-31 4629 2007-06-30 5018 2007-09-30 5045 2007-12-31 5244 2008-03-31 5684 2008-06-30 5478 2008-09-30 5605 2008-12-31 7448 2009-03-31 5709 2009-06-30 5337 2009-09-30 5495 2009-12-31 5815 2010-03-31 5506 2010-06-30 5641 2010-09-30 5556 2010-12-31 5954 2011-03-31 5803 2011-06-30 6029 2011-09-30 6072 2011-12-31 6464 2012-03-31 5609 2012-06-30 5977 2012-09-30 5861 2012-12-31 6737 2013-03-31 5902 2013-06-30 5983 2013-09-30 6034 2013-12-31 6071 2014-03-31 5426 2014-06-30 6059 2014-09-30 6200 2014-12-31 7303 2015-03-31 6225 2015-06-30 6024 2015-09-30 6158 2015-12-31 6685 2016-03-31 5761 2016-06-30 6063 2016-09-30 6034 2016-12-31 6725 2017-03-31 5865 2017-06-30 5359 2017-09-30 5346 2017-12-31 5599 2018-03-31 5132 2018-06-30 5151 2018-09-30 5082 2018-12-31 5074