Quarter	Percent, Seasonally Adjusted
2007-01-01	56.1322337184405
2007-04-01	55.6303777993067
2007-07-01	55.8651678654238
2007-10-01	56.7477608535700
2008-01-01	55.1956358309404
2008-04-01	55.5734002184046
2008-07-01	54.9560935061684
2008-10-01	54.8430324778528
2009-01-01	57.3641821513509
2009-04-01	56.7250157246587
2009-07-01	57.2309489702189
2009-10-01	56.6256119744440
2010-01-01	57.0594752140385
2010-04-01	57.1960254890914
2010-07-01	57.3531581633222
2010-10-01	57.1425693050326
2011-01-01	57.2498054587958
2011-04-01	56.4987653519642
2011-07-01	57.1066181832878
2011-10-01	56.8557990067962
2012-01-01	57.6990879647654
2012-04-01	58.9152574920615
2012-07-01	60.0711701238454
2012-10-01	59.4552627596082
2013-01-01	58.9626371459862
2013-04-01	59.7318234589040
2013-07-01	58.8570115467056
2013-10-01	58.9273874811595
2014-01-01	60.6371625173845
2014-04-01	60.2014874342436
2014-07-01	59.9442030400696
2014-10-01	61.3176753622234
2015-01-01	60.6603368361754
2015-04-01	61.6853952812183
2015-07-01	60.0143726824567
2015-10-01	60.7886208761506
2016-01-01	59.8936945944106
2016-04-01	59.6980498582428
2016-07-01	60.4438221953391
2016-10-01	61.5919665518382
2017-01-01	62.1353154947946
2017-04-01	62.3423146626826
2017-07-01	63.4318558847472
2017-10-01	62.2922535947630
2018-01-01	63.2492516438041
2018-04-01	62.8260348364533