Quarter	Percent, Seasonally Adjusted
2000-01-01	44.1801735215017
2000-04-01	43.8463394387642
2000-07-01	43.5906605590220
2000-10-01	43.3865157807328
2001-01-01	43.1241731757495
2001-04-01	43.0099195713339
2001-07-01	42.7773252651046
2001-10-01	42.2067920853834
2002-01-01	41.9201090122130
2002-04-01	41.5660989188282
2002-07-01	41.2634949973030
2002-10-01	41.2773073801381
2003-01-01	41.1990347728253
2003-04-01	41.2936564718595
2003-07-01	41.1437870594361
2003-10-01	41.2627279362913
2004-01-01	41.4221949330356
2004-04-01	41.3063382042964
2004-07-01	41.4626491318402
2004-10-01	41.4888069394977
2005-01-01	41.4808253307467
2005-04-01	41.7553536520009
2005-07-01	42.1065857113763
2005-10-01	42.4284161779566
2006-01-01	42.5660288038164
2006-04-01	42.9054937300529
2006-07-01	43.4477430948100
2006-10-01	43.7983181731910
2007-01-01	44.4699803952565
2007-04-01	45.1431505132467
2007-07-01	45.6204808002687
2007-10-01	46.1460627220676
2008-01-01	46.5446067746324
2008-04-01	46.8787582373007
2008-07-01	47.2167940524546
2008-10-01	47.5825659222706
2009-01-01	47.3172950088639
2009-04-01	47.3668651817751
2009-07-01	47.5288070722091
2009-10-01	47.8029582609416
2010-01-01	46.8225716549678
2010-04-01	47.2965678179935
2010-07-01	47.5530987037677
2010-10-01	47.4254048127626
2011-01-01	47.3853236470811
2011-04-01	47.3183692056273
2011-07-01	47.2385818980284
2011-10-01	47.3952557276003
2012-01-01	47.5858859317559
2012-04-01	47.5866649363075
2012-07-01	47.5195530752948
2012-10-01	47.5042351125468
2013-01-01	47.1574413375627
2013-04-01	47.4079898500322
2013-07-01	47.6539773030916
2013-10-01	47.9453057453559
2014-01-01	48.4624267573970
2014-04-01	48.5589004561220
2014-07-01	48.9200064758883
2014-10-01	49.1425790972601
2015-01-01	49.3211324878776
2015-04-01	49.6073717836727
2015-07-01	49.9463085771383
2015-10-01	50.2176806304209
2016-01-01	50.3737497904383
2016-04-01	50.5605889326957
2016-07-01	50.7097240290457
2016-10-01	50.9725479472089
2017-01-01	51.2717676720904
2017-04-01	51.4381565268319
2017-07-01	51.4706005256567
2017-10-01	51.5444378059380
2018-01-01	51.7363251066576
2018-04-01	52.0160957630907