Quarter Sterling 2003-03-31 20214 2003-06-30 21146 2003-09-30 22015 2003-12-31 30282 2004-03-31 23048 2004-06-30 27368 2004-09-30 21992 2004-12-31 25199 2005-03-31 38856 2005-06-30 26935 2005-09-30 16711 2005-12-31 38047 2006-03-31 32969 2006-06-30 30105 2006-09-30 44827 2006-12-31 60091 2007-03-31 44201 2007-06-30 55329 2007-09-30 30359 2007-12-31 31612 2008-03-31 -3186 2008-06-30 98077 2008-09-30 88213 2008-12-31 178747 2009-03-31 26519 2009-06-30 42776 2009-09-30 29794 2009-12-31 25738 2010-03-31 26927 2010-06-30 -22161 2010-09-30 25245 2010-12-31 -21811 2011-03-31 18806 2011-06-30 -17748 2011-09-30 -4348 2011-12-31 -71205 2012-03-31 -22007 2012-06-30 -48235 2012-09-30 -16420 2012-12-31 5794 2013-03-31 -33169 2013-06-30 -7247 2013-09-30 -21760 2013-12-31 8649 2014-03-31 -11781 2014-06-30 14467 2014-09-30 7734 2014-12-31 -381 2015-03-31 -28235 2015-06-30 13175 2015-09-30 8880 2015-12-31 -32109 2016-03-31 9602 2016-06-30 10283 2016-09-30 -5671 2016-12-31 -15925 2017-03-31 -7731 2017-06-30 17818 2017-09-30 16430 2017-12-31 10907 2018-03-31 23316 2018-06-30 17252 2018-09-30 24799 2018-12-31 14429 2019-03-31 2226 2019-06-30 18649 2019-09-30 13460 2019-12-31 11286