Quarter	Percent, Seasonally Adjusted
1998-01-01	41.4948377894111
1998-04-01	41.5545732841529
1998-07-01	41.3721067636142
1998-10-01	41.2282464393861
1999-01-01	41.1515048316422
1999-04-01	41.2271583089383
1999-07-01	41.2514076801172
1999-10-01	41.3125678235870
2000-01-01	41.1593011700180
2000-04-01	40.9252929287668
2000-07-01	40.9837038580474
2000-10-01	40.4432211568074
2001-01-01	40.4275824239727
2001-04-01	40.0238117601711
2001-07-01	40.3518858658276
2001-10-01	40.9520508041445
2002-01-01	40.8515121880213
2002-04-01	41.2777415360263
2002-07-01	41.3047809776239
2002-10-01	41.5674971912326
2003-01-01	42.3017969494100
2003-04-01	42.5985807250224
2003-07-01	42.8546066082872
2003-10-01	43.4081920888242
2004-01-01	41.7219851629578
2004-04-01	42.0348596461004
2004-07-01	42.2156369066870
2004-10-01	42.3883582002653
2005-01-01	42.5317609275249
2005-04-01	42.5041566354586
2005-07-01	42.7460668315342
2005-10-01	42.9734172700590
2006-01-01	43.0570635165774
2006-04-01	43.7146569360390
2006-07-01	43.9790626787471
2006-10-01	43.9811599828590
2007-01-01	44.7613082755900
2007-04-01	44.9232136723333
2007-07-01	45.1654275291728
2007-10-01	45.2372435507330
2008-01-01	45.0493193213097
2008-04-01	45.0109396407817
2008-07-01	45.4548120663825
2008-10-01	45.7602752687151
2009-01-01	45.8988145986424
2009-04-01	46.6664563018556
2009-07-01	46.6536412384194
2009-10-01	47.1813205859810
2010-01-01	47.3777421496430
2010-04-01	47.5159449665587
2010-07-01	47.6501173453560
2010-10-01	47.7802031379265
2011-01-01	47.9030521699779
2011-04-01	47.9088939886850
2011-07-01	48.3197589875279
2011-10-01	48.7811648266002
2012-01-01	49.4190267422355
2012-04-01	50.2726830717118
2012-07-01	50.8067901463017
2012-10-01	51.0790129130249
2013-01-01	51.4542773603860
2013-04-01	52.2287662301897
2013-07-01	53.4014829482194
2013-10-01	54.0749107704563
2014-01-01	55.3356204838476
2014-04-01	56.2293107224672
2014-07-01	56.8206466366702
2014-10-01	57.6331508061811
2015-01-01	58.4422481371602
2015-04-01	59.1134574792424
2015-07-01	59.5757375623328
2015-10-01	59.8788112569587
2016-01-01	61.4470339662997
2016-04-01	61.5049752205919
2016-07-01	61.6611373922339
2016-10-01	62.0323856175638
2017-01-01	62.0564686224288
2017-04-01	62.5930547015168
2017-07-01	62.9548451739776
2017-10-01	63.6456947695365
2018-01-01	63.6487594692770
2018-04-01	63.9887360813671