Quarter	Percent, Seasonally Adjusted
2002-01-01	44.0518545688855
2002-04-01	45.2161906010913
2002-07-01	47.1035394519853
2002-10-01	47.9447720317119
2003-01-01	49.8590574827197
2003-04-01	52.0156224290084
2003-07-01	52.0979306933663
2003-10-01	50.8674023679456
2004-01-01	51.9227838375946
2004-04-01	52.4042349175881
2004-07-01	51.9021288940973
2004-10-01	49.8228037828084
2005-01-01	51.2807119482023
2005-04-01	50.3003213095483
2005-07-01	50.2259382659096
2005-10-01	50.7086480208901
2006-01-01	48.0002438885852
2006-04-01	50.5536936441803
2006-07-01	49.5986004102897
2006-10-01	50.2181306311929
2007-01-01	49.2412008387537
2007-04-01	49.4535836437550
2007-07-01	50.9844097883822
2007-10-01	51.4153591612784
2008-01-01	53.3220177207884
2008-04-01	54.4481972193911
2008-07-01	55.7780275568263
2008-10-01	57.2635235622579
2009-01-01	55.9555749160308
2009-04-01	56.3799960839788
2009-07-01	56.0863700975027
2009-10-01	59.0686531738893
2010-01-01	57.8389678886681
2010-04-01	56.3907479944662
2010-07-01	57.0736434856376
2010-10-01	57.6934178781331
2011-01-01	59.9356209501786
2011-04-01	57.6350643062326
2011-07-01	59.3234826987577
2011-10-01	59.6142024456907
2012-01-01	58.3399340402772
2012-04-01	59.6843603431293
2012-07-01	58.8154062230051
2012-10-01	58.1468911317159
2013-01-01	58.6004951126527
2013-04-01	59.2550847142830
2013-07-01	58.8616197625265
2013-10-01	59.9664517763246
2014-01-01	60.9695147945309
2014-04-01	60.9144305099433
2014-07-01	59.5756267043923
2014-10-01	59.4288558023878
2015-01-01	64.1979207785662
2015-04-01	64.4736255194221
2015-07-01	64.3193915311901
2015-10-01	62.0923277960385
2016-01-01	66.8493955104178
2016-04-01	67.4075911699622
2016-07-01	68.8387810895644
2016-10-01	68.8588239535164
2017-01-01	68.7417079846633
2017-04-01	68.1736482387529
2017-07-01	66.7215603203989
2017-10-01	66.8142688407314
2018-01-01	67.0011456982209
2018-04-01	64.6829650270958