Quarter	Percent, Seasonally Adjusted
2005-01-01	61.9503960692589
2005-04-01	62.0553497496342
2005-07-01	62.1154066333122
2005-10-01	62.2390206329948
2006-01-01	62.4300387766100
2006-04-01	62.4819818425107
2006-07-01	62.5774021214655
2006-10-01	62.6231316915285
2007-01-01	62.5972738920127
2007-04-01	62.6596366655803
2007-07-01	62.7891883124040
2007-10-01	62.8753375806752
2008-01-01	63.0027541673171
2008-04-01	63.0763274026423
2008-07-01	63.1382960004572
2008-10-01	63.1590501247461
2009-01-01	63.2270611247601
2009-04-01	63.1528918456129
2009-07-01	63.1184084782159
2009-10-01	63.1503381441897
2010-01-01	63.2213756641478
2010-04-01	63.2643329448295
2010-07-01	63.2826368869943
2010-10-01	63.2663406860118
2011-01-01	63.2931743759400
2011-04-01	63.3115522037727
2011-07-01	63.3717051632579
2011-10-01	63.4800875677165
2012-01-01	63.6111269366176
2012-04-01	63.7265510909275
2012-07-01	63.8113440670496
2012-10-01	63.8888348031000
2013-01-01	63.8585525511294
2013-04-01	63.9122496865820
2013-07-01	63.9107664262286
2013-10-01	63.9000934254060
2014-01-01	64.0049743076893
2014-04-01	63.9835466099759
2014-07-01	64.0578428212076
2014-10-01	64.0923496353050
2015-01-01	64.0567383062679
2015-04-01	64.0989516811196
2015-07-01	64.1206037804044
2015-10-01	64.2241895533059
2016-01-01	64.3096743384201
2016-04-01	64.3841197800618
2016-07-01	64.4580270179860
2016-10-01	64.4804641417762
2017-01-01	64.5278730303274
2017-04-01	64.6429401433657
2017-07-01	64.6964383042738
2017-10-01	64.7452318559252
2018-01-01	64.7901694551334
2018-04-01	64.7984753371433