Quarter	Percent, Seasonally Adjusted
2000-01-01	63.9354255781536
2000-04-01	63.4059166041006
2000-07-01	64.3574499497892
2000-10-01	63.8634548966541
2001-01-01	63.0878698056998
2001-04-01	62.8354814366930
2001-07-01	64.0537437222180
2001-10-01	63.4965803488411
2002-01-01	62.2754012415135
2002-04-01	61.7400540798174
2002-07-01	62.6500040518373
2002-10-01	63.5995313688195
2003-01-01	62.5902829483277
2003-04-01	63.7623122974100
2003-07-01	64.2255587125450
2003-10-01	63.9764841195870
2004-01-01	64.0170417310668
2004-04-01	64.0237364151762
2004-07-01	63.6685338851180
2004-10-01	63.3801187071943
2005-01-01	63.5624837017445
2005-04-01	64.2299192108708
2005-07-01	63.2817893511860
2005-10-01	63.9377544531099
2006-01-01	65.2348980672581
2006-04-01	66.7227617883066
2006-07-01	65.9632956550027
2006-10-01	66.3153088835467
2007-01-01	65.8849289401156
2007-04-01	66.8440871707376
2007-07-01	66.3361497991056
2007-10-01	65.6720965820461
2008-01-01	66.4364426959994
2008-04-01	65.9817941382747
2008-07-01	67.5247880639349
2008-10-01	68.0759865169563
2009-01-01	66.9947691619824
2009-04-01	66.1521212948846
2009-07-01	67.3657301523153
2009-10-01	66.3098867618994
2010-01-01	66.9877541870302
2010-04-01	66.7158017431964
2010-07-01	66.0792455028783
2010-10-01	66.6121617700331
2011-01-01	67.3498390250828
2011-04-01	67.5646952750041
2011-07-01	68.1366316034954
2011-10-01	67.6455257790964
2012-01-01	67.9643630816813
2012-04-01	67.9654399565085
2012-07-01	68.5955822715559
2012-10-01	67.2502920925734
2013-01-01	68.3621553456386
2013-04-01	68.9913080520750
2013-07-01	67.9338641163362
2013-10-01	67.8467183610782
2014-01-01	67.4389128679150
2014-04-01	68.5229425238376
2014-07-01	68.9635891785230
2014-10-01	68.3965617186726
2015-01-01	68.5753131534608
2015-04-01	69.7982614303813
2015-07-01	70.6268925277596
2015-10-01	69.9240718649505
2016-01-01	69.3727961972705
2016-04-01	71.7119748207032
2016-07-01	71.8096118183950
2016-10-01	70.0321382116494
2017-01-01	70.8889108772021
2017-04-01	72.0540672042514
2017-07-01	71.9320218066984
2017-10-01	72.7142958445445
2018-01-01	72.0533736381032
2018-04-01	72.0207007165339