Quarter Sterling (millions), Seasonally adjusted 2010-03-31 4430 2010-06-30 4390 2010-09-30 4425 2010-12-31 4507 2011-03-31 4488 2011-06-30 4567 2011-09-30 4709 2011-12-31 4798 2012-03-31 4852 2012-06-30 4919 2012-09-30 4998 2012-12-31 4940 2013-03-31 4987 2013-06-30 4993 2013-09-30 5238