Quarter	Percent
2003-04-01	87.1957199082582
2004-04-01	87.3823859472232
2005-01-01	86.8372777856939
2005-04-01	87.7013598110041
2005-07-01	87.9982767003681
2005-10-01	87.6900051071873
2006-01-01	87.2131860759248
2006-04-01	88.0739492393307
2006-07-01	88.3118368256799
2006-10-01	88.2662045983011
2007-01-01	87.7422290452926
2007-04-01	88.6226427877976
2007-07-01	88.6238443123337
2007-10-01	88.4475102741576
2008-01-01	87.6475155141014
2008-04-01	88.1371041916386
2008-07-01	88.0647667489111
2008-10-01	87.2199645525735
2009-01-01	85.0641641093894
2009-04-01	85.0470355426670
2009-07-01	84.9657188251427
2009-10-01	84.6554387092024
2010-01-01	83.7777828004378
2010-04-01	84.9038674952835
2010-07-01	85.1792920238454
2010-10-01	84.8743988128229
2011-01-01	84.4035283365938
2011-04-01	85.2635111699766
2011-07-01	85.3679649403693
2011-10-01	85.2592187953769
2012-01-01	84.7666221535398
2012-04-01	85.6164802373660
2012-07-01	85.7409072123388
2012-10-01	85.5876558829661
2013-01-01	84.5824437722522
2013-04-01	85.4919019577784
2013-07-01	85.5355146896574
2013-10-01	85.4209684999806
2014-01-01	84.8366152275720
2014-04-01	85.7604888929487
2014-07-01	86.0486140751812
2014-10-01	85.8560734317756
2015-01-01	85.3951510297941
2015-04-01	86.0266195596168
2015-07-01	86.3100081047196
2015-10-01	86.1620258584802
2016-01-01	85.8522972002067
2016-04-01	86.5514829144151
2016-07-01	86.6663265493351
2016-10-01	86.5203068093288
2017-01-01	86.2180786107488
2017-04-01	86.9494840614860
2017-07-01	87.0820681640054
2017-10-01	87.1950168427555
2018-01-01	86.9235553659440