Quarter	Percent, Seasonally Adjusted
2005-01-01	69.0319011384616
2005-04-01	68.9165715047727
2005-07-01	68.3275015062216
2005-10-01	68.3309066419767
2006-01-01	67.9498053239675
2006-04-01	67.5820076658174
2006-07-01	67.7057520032810
2006-10-01	66.9976186876520
2007-01-01	67.8059403791754
2007-04-01	68.1608587652587
2007-07-01	68.5432100186771
2007-10-01	67.2944495682676
2008-01-01	67.7348910341237
2008-04-01	67.7061707964384
2008-07-01	68.9628911822802
2008-10-01	69.3271153994586
2009-01-01	69.4376105261311
2009-04-01	69.7634793969204
2009-07-01	69.8365943696484
2009-10-01	69.3839373825466
2010-01-01	69.5089882407857
2010-04-01	69.5841410905136
2010-07-01	70.6632210378145
2010-10-01	71.2419635436806
2011-01-01	71.4177981474684
2011-04-01	71.4846539567669
2011-07-01	71.4061305533245
2011-10-01	71.1712223524550
2012-01-01	71.4103097346183
2012-04-01	71.7191067283699
2012-07-01	72.0633999109040
2012-10-01	72.0721219858435
2013-01-01	72.1316875760317
2013-04-01	72.3044270824378
2013-07-01	72.3514868638527
2013-10-01	72.8800845566206
2014-01-01	73.7195864871116
2014-04-01	73.4841872845672
2014-07-01	73.8715346727932
2014-10-01	73.7780577934251
2015-01-01	73.6500210312992
2015-04-01	73.9416584143173
2015-07-01	74.1463311070264
2015-10-01	74.7912501489966
2016-01-01	74.8646385408159
2016-04-01	75.6261000825073
2016-07-01	75.6676465933893
2016-10-01	75.7115831468836
2017-01-01	75.4957908033079
2017-04-01	76.0004279703033
2017-07-01	75.9374420885427
2017-10-01	76.3733390251800
2018-01-01	76.3891548383975
2018-04-01	76.6891621772864