Quarter	Percent, Seasonally Adjusted
2005-01-01	60.5248107482166
2005-04-01	60.7833210312858
2005-07-01	61.4743955317101
2005-10-01	62.1969531668256
2006-01-01	62.6759064342220
2006-04-01	63.4075845675450
2006-07-01	63.9572990535822
2006-10-01	64.7085491312318
2007-01-01	65.1823406070439
2007-04-01	65.7612145290471
2007-07-01	65.8832504624443
2007-10-01	66.3340196637805
2008-01-01	66.4709947022857
2008-04-01	67.0266525351362
2008-07-01	67.5070011784283
2008-10-01	67.7164023940754
2009-01-01	68.1878302271763
2009-04-01	69.1774563639632
2009-07-01	69.3736296412320
2009-10-01	70.3270672130545
2010-01-01	70.8344970480214
2010-04-01	70.6657693596874
2010-07-01	70.8512394856227
2010-10-01	70.9981795222748
2011-01-01	71.1943999871904
2011-04-01	71.9245900684474
2011-07-01	71.8065843651778
2011-10-01	72.2432980000112
2012-01-01	72.5997916731680
2012-04-01	72.6820781038242
2012-07-01	73.4660482123558
2012-10-01	73.6287046339366
2013-01-01	73.6084412501175
2013-04-01	74.2454173641669
2013-07-01	74.7592880866895
2013-10-01	75.2207532875259
2014-01-01	75.6838940360850
2014-04-01	75.3696095342900
2014-07-01	75.5976328844332
2014-10-01	75.4238377433562
2015-01-01	75.0178109893411
2015-04-01	74.9389994557734
2015-07-01	75.4983259341498
2015-10-01	75.5769637273279
2016-01-01	76.7282328311069
2016-04-01	76.8103157250276
2016-07-01	76.8276393046620
2016-10-01	77.2042728665062
2017-01-01	77.0464050605988
2017-04-01	77.9774004534883
2017-07-01	78.2202606770180
2017-10-01	78.2642218313940
2018-01-01	78.5136797775696
2018-04-01	78.4116251838792