Quarter	Percent, Seasonally Adjusted
2002-01-01	64.3420089601554
2002-04-01	65.4247683669780
2002-07-01	66.3884714267216
2002-10-01	65.6013094635091
2003-01-01	62.6450681602065
2003-04-01	65.0394936721094
2003-07-01	65.0605349730846
2003-10-01	65.8752317048017
2004-01-01	66.7748659524538
2004-04-01	66.6352557223695
2004-07-01	67.1353585189200
2004-10-01	65.1143984792031
2005-01-01	65.3726541908163
2005-04-01	64.7609806489133
2005-07-01	64.0075183686640
2005-10-01	63.1398949426771
2006-01-01	61.9648855041183
2006-04-01	60.5137813103074
2006-07-01	61.5994919466461
2006-10-01	62.3847437792780
2007-01-01	60.3237157129900
2007-04-01	61.4740487157836
2007-07-01	59.4700659803485
2007-10-01	60.2871650556062
2008-01-01	62.3088762319750
2008-04-01	60.8218231771167
2008-07-01	58.7608284865354
2008-10-01	61.8867597998433
2009-01-01	61.8076347373298
2009-04-01	60.2412747081727
2009-07-01	59.1736959416516
2009-10-01	60.6268186169236
2010-01-01	61.0157785377649
2010-04-01	57.5476023486995
2010-07-01	57.9713508931838
2010-10-01	54.1815152651668
2011-01-01	55.9734274928069
2011-04-01	53.6269568254490
2011-07-01	53.2969828765065
2011-10-01	55.4316528345781
2012-01-01	52.7756997009345
2012-04-01	51.3895127835862
2012-07-01	49.4922577565803
2012-10-01	47.9826100566968
2013-01-01	49.7567762163706
2013-04-01	49.9675408180450
2013-07-01	50.7070476973080
2013-10-01	53.7952151441035
2014-01-01	53.4414612275420
2014-04-01	53.5127794796124
2014-07-01	53.5223720258016
2014-10-01	54.2697562363547
2015-01-01	55.1678300476816
2015-04-01	54.1580158625817
2015-07-01	52.0747475877697
2015-10-01	49.9663800811124
2016-01-01	50.0474929952821
2016-04-01	50.7006021031664
2016-07-01	50.2039741112262
2016-10-01	51.1420948770612
2017-01-01	49.4445908756774
2017-04-01	50.3615750590270
2017-07-01	51.5379615358093
2017-10-01	50.0227767952007
2018-01-01	47.9891997715299
2018-04-01	49.3146097170381