Quarter	Percent, Seasonally Adjusted
2000-01-01	37.4927058887294
2000-04-01	38.6340421505603
2000-07-01	39.5235517095547
2000-10-01	40.2647758904493
2001-01-01	40.0790709257125
2001-04-01	39.8594851489210
2001-07-01	39.9260031424990
2001-10-01	40.8835676471207
2002-01-01	41.7207033824855
2002-04-01	42.8519617135034
2002-07-01	44.2099414958230
2002-10-01	44.2591105032172
2003-01-01	45.3798761621182
2003-04-01	45.4725136877767
2003-07-01	45.6136854199557
2003-10-01	45.4754736391464
2004-01-01	46.3659491951070
2004-04-01	46.2281701165747
2004-07-01	47.1522606184177
2004-10-01	47.7023017533021
2005-01-01	47.7152648083511
2005-04-01	48.0914193804526
2005-07-01	48.2877026370301
2005-10-01	48.2591842318332
2006-01-01	48.1795313206453
2006-04-01	49.2443702472122
2006-07-01	50.0320188704647
2006-10-01	50.7692328424249
2007-01-01	51.7150062787081
2007-04-01	52.8037757938526
2007-07-01	53.2815507943317
2007-10-01	53.2599995377713
2008-01-01	53.7062338209751
2008-04-01	54.4606824714292
2008-07-01	55.1140410166664
2008-10-01	55.6858690207689
2009-01-01	56.6311109981720
2009-04-01	56.3840260251236
2009-07-01	57.1737078933755
2009-10-01	57.1793880319943
2010-01-01	55.3165575482898
2010-04-01	55.6931698044097
2010-07-01	56.1819470035110
2010-10-01	56.5582507455724
2011-01-01	56.6272993498495
2011-04-01	57.3335814993686
2011-07-01	58.2281585557115
2011-10-01	59.3515723033856
2012-01-01	59.7774888880666
2012-04-01	60.7125929446463
2012-07-01	60.9393057530055
2012-10-01	61.8059646246023
2013-01-01	62.2935258445600
2013-04-01	63.1521756315568
2013-07-01	64.1107994641525
2013-10-01	64.4300707981677
2014-01-01	64.1377260906732
2014-04-01	64.6032244335986
2014-07-01	65.2777714239098
2014-10-01	65.5180856174184
2015-01-01	66.3676791866190
2015-04-01	67.2455203565436
2015-07-01	67.2955319968504
2015-10-01	67.6123996543309
2016-01-01	68.1311922681152
2016-04-01	68.3252001567918
2016-07-01	68.3969358270726
2016-10-01	68.6308441867450
2017-01-01	68.9607209713153
2017-04-01	69.6794898891761
2017-07-01	69.5828472754433
2017-10-01	69.8725819124245
2018-01-01	69.9043513608694
2018-04-01	70.6439232814418