Quarter	Percent, Seasonally Adjusted
2000-01-01	65.9238103064710
2000-04-01	65.3138907454163
2000-07-01	65.1218781128352
2000-10-01	64.4827849068775
2001-01-01	63.1105000247093
2001-04-01	63.3033713410550
2001-07-01	63.8523853132150
2001-10-01	64.1890468381887
2002-01-01	64.9241821105349
2002-04-01	65.6784678661697
2002-07-01	66.1229080586041
2002-10-01	66.9730910703314
2003-01-01	67.8418292652801
2003-04-01	67.6529854281492
2003-07-01	67.8166470950448
2003-10-01	67.6982770046467
2004-01-01	67.4526190973035
2004-04-01	68.2422499885352
2004-07-01	68.2366944805248
2004-10-01	68.1932433512096
2005-01-01	68.6317883048516
2005-04-01	68.2566253884843
2005-07-01	67.4668833728006
2005-10-01	68.4606064232312
2006-01-01	69.1408264977509
2006-04-01	69.0231170870118
2006-07-01	69.6373584809315
2006-10-01	69.4338640629000
2007-01-01	70.4325930131144
2007-04-01	70.9569138351941
2007-07-01	70.4644889470414
2007-10-01	70.7878565292122
2008-01-01	70.0758903247553
2008-04-01	70.5424680398254
2008-07-01	70.7560321636242
2008-10-01	70.3537770799766
2009-01-01	69.9250135955060
2009-04-01	70.8413959664033
2009-07-01	70.9302382623769
2009-10-01	70.7271731889238
2010-01-01	69.9952740426545
2010-04-01	70.3610257526097
2010-07-01	69.9178023746976
2010-10-01	71.2363098127965
2011-01-01	72.6653134918974
2011-04-01	71.8975538681501
2011-07-01	71.4954121245607
2011-10-01	71.6159938909220
2012-01-01	71.2652912052414
2012-04-01	71.3222624569462
2012-07-01	72.3463997570509
2012-10-01	71.6561625549744
2013-01-01	72.6455398936274
2013-04-01	72.2139107088585
2013-07-01	71.7606902838152
2013-10-01	71.7253879388820
2014-01-01	71.0248084086778
2014-04-01	70.6937328430148
2014-07-01	71.4705218161076
2014-10-01	72.1792003685358
2015-01-01	72.8958573643573
2015-04-01	73.2659693066427
2015-07-01	73.0584249327593
2015-10-01	73.0354426380705
2016-01-01	70.6415680799821
2016-04-01	71.0907305962416
2016-07-01	71.6173154137170
2016-10-01	70.8778142985390
2017-01-01	70.4176638093893
2017-04-01	70.8623658015750
2017-07-01	70.2191755609383
2017-10-01	69.8415517112786
2018-01-01	69.8104056814773
2018-04-01	68.7869177534565