Quarter	Percent, Seasonally Adjusted
1999-04-01	45.9633735272501
1999-07-01	46.1978071133877
1999-10-01	46.4077460098235
2000-01-01	46.3116079502186
2000-04-01	46.7481762925975
2000-07-01	46.7839832001235
2000-10-01	46.3580294347988
2001-01-01	46.1814364548805
2001-04-01	45.4272905172177
2001-07-01	45.3407369105617
2001-10-01	44.9749781737562
2002-01-01	44.9646557552098
2002-04-01	44.4244028759846
2002-07-01	44.3751434232211
2002-10-01	44.1220956652360
2003-01-01	43.9850223118562
2003-04-01	44.9049461269169
2003-07-01	44.3688695256024
2003-10-01	44.3335029048458
2004-01-01	44.6380896807420
2004-04-01	43.8867205254382
2004-07-01	44.4897762785967
2004-10-01	45.6139534249445
2005-01-01	45.6758186031896
2005-04-01	46.2216863406560
2005-07-01	45.9395603000669
2005-10-01	45.7668761901563
2006-01-01	46.2796913807410
2006-04-01	45.9127755357150
2006-07-01	46.8631372878431
2006-10-01	46.8150685571841
2007-01-01	59.2193963971283
2007-04-01	58.9891524320058
2007-07-01	59.3129042498024
2007-10-01	59.0278951163243
2008-01-01	58.1959583399564
2008-04-01	56.6854468533851
2008-07-01	55.1592440407058
2008-10-01	52.4603030726462
2009-01-01	51.3223795179773
2009-04-01	48.4648027817352
2009-07-01	46.1632520777046
2009-10-01	44.9192578360980
2010-01-01	41.9637137209315
2010-04-01	41.3648769545988
2010-07-01	40.6306487906459
2010-10-01	39.5365059013731
2011-01-01	39.3690574351900
2011-04-01	38.5692093028321
2011-07-01	37.4533441465533
2011-10-01	37.2311785479679
2012-01-01	37.5208169908031
2012-04-01	36.9950013705460
2012-07-01	36.9391694125834
2012-10-01	37.2679144812716
2013-01-01	37.0554028358925
2013-04-01	37.8514381888085
2013-07-01	37.6155465397204
2013-10-01	36.1882210159990
2014-01-01	36.0169533411311
2014-04-01	35.2088121093207
2014-07-01	37.6865980162677
2014-10-01	38.1291267680870
2015-01-01	36.8844878805512
2015-04-01	37.0431796821240
2015-07-01	37.7289307262721
2015-10-01	37.5003108901962
2016-01-01	38.6855029100146
2016-04-01	43.5786075481957
2016-07-01	42.9483082060802
2016-10-01	42.1233052828502
2017-01-01	42.0501544157854
2017-04-01	41.6041104261701
2017-07-01	37.0411681838668
2017-10-01	38.3450358692745
2018-01-01	38.2207345241994
2018-04-01	39.0069630687879