Quarter	Percent, Seasonally Adjusted
1999-01-01	32.8745921440729
1999-04-01	32.6379003289494
1999-07-01	32.4388825195215
1999-10-01	32.9388580033956
2000-01-01	31.6640308494412
2000-04-01	32.5456573141054
2000-07-01	33.9203240309830
2000-10-01	33.1976451228188
2001-01-01	32.6317811534977
2001-04-01	33.1891079215237
2001-07-01	32.0932056266376
2001-10-01	31.4987281098076
2002-01-01	32.6128635140312
2002-04-01	31.9976950243806
2002-07-01	33.1536541638009
2002-10-01	32.3565916511111
2003-01-01	33.6451190156042
2003-04-01	32.8026186077284
2003-07-01	32.4847731826592
2003-10-01	32.5133132251089
2004-01-01	32.3939921817624
2004-04-01	32.1059221735550
2004-07-01	31.3431498209374
2004-10-01	32.0077297043203
2005-01-01	32.1776343892830
2005-04-01	32.9315792493770
2005-07-01	32.5618077606715
2005-10-01	31.5313494725759
2006-01-01	31.4707431300307
2006-04-01	31.8171128059327
2006-07-01	31.5887402150384
2006-10-01	31.7144850090094
2007-01-01	31.6214194415774
2007-04-01	32.0767798327019
2007-07-01	32.5277091596756
2007-10-01	32.4510121901766
2008-01-01	32.2858252184387
2008-04-01	31.8915913728793
2008-07-01	32.0297465292536
2008-10-01	31.5982332012646
2009-01-01	31.8509420219795
2009-04-01	31.8299490038393
2009-07-01	32.4178183023046
2009-10-01	33.3491379980651
2010-01-01	33.2522194838233
2010-04-01	32.9537645544174
2010-07-01	33.1452900583415
2010-10-01	33.9120298013769
2011-01-01	33.4890624045397
2011-04-01	33.2773303695780
2011-07-01	33.3924659669091
2011-10-01	33.8731780597717
2012-01-01	33.7001037362361
2012-04-01	33.4866603529326
2012-07-01	34.3552091372769
2012-10-01	34.7688084390143
2013-01-01	34.7425339233952
2013-04-01	34.3229282042734
2013-07-01	34.4779352257586
2013-10-01	35.0088605152576
2014-01-01	35.5679700648178
2014-04-01	35.5487893214832
2014-07-01	35.0571331588113
2014-10-01	34.4616083792634
2015-01-01	34.8190371591345
2015-04-01	35.6520665144446
2015-07-01	35.7634516697594
2015-10-01	35.1575233669478
2016-01-01	33.1144964272395
2016-04-01	32.9994609580014
2016-07-01	33.7856680985840
2016-10-01	33.8260184920612
2017-01-01	34.5202113552650
2017-04-01	34.9342606850415
2017-07-01	34.3401930237647
2017-10-01	34.6973264319469
2018-01-01	34.0970387013981
2018-04-01	33.9434315429276