Quarter	Percent, Seasonally Adjusted
2000-01-01	49.4976489666197
2000-04-01	49.0323649913668
2000-07-01	48.7008225047340
2000-10-01	48.4381957091581
2001-01-01	48.1530676297516
2001-04-01	47.9519780677555
2001-07-01	47.6552331632271
2001-10-01	47.0490793939986
2002-01-01	46.6431102796094
2002-04-01	46.2558312626449
2002-07-01	45.9726236167982
2002-10-01	45.9797017252196
2003-01-01	45.9613729055264
2003-04-01	46.1112223151680
2003-07-01	45.9094045145065
2003-10-01	46.0427367217301
2004-01-01	46.1786209481335
2004-04-01	46.1025817645129
2004-07-01	46.2999598909878
2004-10-01	46.3281301722058
2005-01-01	46.3935786418267
2005-04-01	46.5952160224724
2005-07-01	46.9338867307583
2005-10-01	47.3359690970968
2006-01-01	47.5313441684732
2006-04-01	47.9139023446230
2006-07-01	48.4967178433916
2006-10-01	48.9007121878388
2007-01-01	49.6415098051690
2007-04-01	50.3816144532177
2007-07-01	50.8624915083765
2007-10-01	51.4277267737437
2008-01-01	51.8685790854147
2008-04-01	52.1932920727448
2008-07-01	52.5835855560978
2008-10-01	52.8641124580659
2009-01-01	52.5797270340898
2009-04-01	52.6429537826865
2009-07-01	52.7552680982236
2009-10-01	53.0377162173445
2010-01-01	52.2362246319300
2010-04-01	52.6578730869414
2010-07-01	52.8465424348855
2010-10-01	52.6876096655753
2011-01-01	52.7117996982307
2011-04-01	52.6289316251159
2011-07-01	52.5958973799101
2011-10-01	52.7789371540401
2012-01-01	53.0756498176021
2012-04-01	53.1252912968594
2012-07-01	53.1437405255442
2012-10-01	53.1792328503064
2013-01-01	52.8678768849882
2013-04-01	53.2004120913139
2013-07-01	53.5532436698903
2013-10-01	53.9466759479508
2014-01-01	54.6388667994534
2014-04-01	54.9130558188624
2014-07-01	55.3657580085001
2014-10-01	55.8029976756697
2015-01-01	56.0549008662117
2015-04-01	56.4406684915273
2015-07-01	56.8260732034956
2015-10-01	57.1507138430576
2016-01-01	57.5272798146130
2016-04-01	57.8264307216927
2016-07-01	58.2487614208035
2016-10-01	58.6276653757817
2017-01-01	59.0246003080501
2017-04-01	59.3871046854807
2017-07-01	59.5799785856987
2017-10-01	59.8791037456020
2018-01-01	60.2471671700492
2018-04-01	60.6618442128179