Quarter	Percent, Seasonally Adjusted
2000-01-01	62.2705887384139
2000-04-01	63.2971640517112
2000-07-01	63.9274180656212
2000-10-01	64.4642618922470
2001-01-01	64.8588733162597
2001-04-01	65.1859415225703
2001-07-01	65.3501693803805
2001-10-01	65.6018396417919
2002-01-01	65.7376973711573
2002-04-01	65.8756167572301
2002-07-01	66.4494437090672
2002-10-01	66.6714308031449
2003-01-01	66.5008911562171
2003-04-01	65.9143503946673
2003-07-01	66.0655772157172
2003-10-01	65.6298497331057
2004-01-01	65.6164379001316
2004-04-01	65.7319094310489
2004-07-01	65.9889853593000
2004-10-01	66.0143467082300
2005-01-01	66.0254355835020
2005-04-01	66.2633405735450
2005-07-01	66.4239542388001
2005-10-01	66.9476165900941
2006-01-01	67.2712931913070
2006-04-01	67.4829549226013
2006-07-01	67.7212843252007
2006-10-01	68.1283712146368
2007-01-01	68.5906118240878
2007-04-01	69.5815421134524
2007-07-01	69.9812619169708
2007-10-01	70.2270538914190
2008-01-01	70.5193869200389
2008-04-01	70.9393496042053
2008-07-01	71.3862917284169
2008-10-01	71.7061790951508
2009-01-01	72.2179515649302
2009-04-01	71.3949532762871
2009-07-01	71.2705753511243
2009-10-01	71.1562304325554
2010-01-01	69.1900563929623
2010-04-01	69.2798687355160
2010-07-01	69.2859630805146
2010-10-01	69.4924209836803
2011-01-01	68.7934871053394
2011-04-01	68.8075652282832
2011-07-01	68.7440401765842
2011-10-01	69.3722768726131
2012-01-01	69.2451882372045
2012-04-01	69.2985729138089
2012-07-01	69.5717755822921
2012-10-01	69.5007276949928
2013-01-01	69.3792150313398
2013-04-01	69.1047416109196
2013-07-01	68.8247348314604
2013-10-01	68.5341591597390
2014-01-01	67.9076578893808
2014-04-01	67.7634618513858
2014-07-01	68.0822529790583
2014-10-01	68.5598775500727
2015-01-01	69.0351834950853
2015-04-01	69.3057471970853
2015-07-01	69.2544454001427
2015-10-01	69.1958504524742
2016-01-01	69.3053769873670
2016-04-01	70.0964601270303
2016-07-01	70.3851679136590
2016-10-01	70.4846712684962
2017-01-01	70.7771329900344
2017-04-01	71.1476679380632
2017-07-01	71.5240625974445
2017-10-01	71.7010559393505
2018-01-01	71.8421626831264
2018-04-01	72.5443890044004