Quarter Sterling 2003-03-31 10440 2003-06-30 14430 2003-09-30 15866 2003-12-31 19584 2004-03-31 15251 2004-06-30 18829 2004-09-30 11627 2004-12-31 15683 2005-03-31 20996 2005-06-30 19458 2005-09-30 15533 2005-12-31 25802 2006-03-31 30754 2006-06-30 17476 2006-09-30 33578 2006-12-31 33502 2007-03-31 34567 2007-06-30 37259 2007-09-30 30443 2007-12-31 34848 2008-03-31 1108 2008-06-30 81788 2008-09-30 67660 2008-12-31 112538 2009-03-31 22302 2009-06-30 34191 2009-09-30 18730 2009-12-31 5461 2010-03-31 21955 2010-06-30 -1754 2010-09-30 21581 2010-12-31 -32498 2011-03-31 10444 2011-06-30 -9668 2011-09-30 -1849 2011-12-31 -54035 2012-03-31 11261 2012-06-30 -5922 2012-09-30 -18744 2012-12-31 -11291 2013-03-31 -22520 2013-06-30 -11001 2013-09-30 -17210 2013-12-31 4065 2014-03-31 -4146 2014-06-30 2092 2014-09-30 5134 2014-12-31 -9922 2015-03-31 -15788 2015-06-30 5243 2015-09-30 1831 2015-12-31 -24594 2016-03-31 13752 2016-06-30 7566 2016-09-30 539 2016-12-31 -18877 2017-03-31 -4474 2017-06-30 4279 2017-09-30 18886 2017-12-31 9043 2018-03-31 21934 2018-06-30 2831 2018-09-30 19655 2018-12-31 2402 2019-03-31 -407 2019-06-30 16274 2019-09-30 10721 2019-12-31 5915