Quarter	Percent, Seasonally Adjusted
2000-01-01	67.2378764530879
2000-04-01	67.9181393445430
2000-07-01	68.4305136569320
2000-10-01	68.8118338019244
2001-01-01	68.6749959618971
2001-04-01	68.6991323922189
2001-07-01	68.6913259984937
2001-10-01	68.9765042719783
2002-01-01	69.1640873497800
2002-04-01	69.5007895937319
2002-07-01	69.6959983769224
2002-10-01	69.6907862855325
2003-01-01	69.4882195104409
2003-04-01	69.3829079577076
2003-07-01	69.4608051979390
2003-10-01	69.2912889805013
2004-01-01	69.4576991804751
2004-04-01	69.5803710491036
2004-07-01	69.6621539653528
2004-10-01	69.5943852588949
2005-01-01	69.6372073406883
2005-04-01	69.7763480176474
2005-07-01	69.7855604995994
2005-10-01	69.7766033273418
2006-01-01	69.9999626506767
2006-04-01	70.0582210452583
2006-07-01	70.2064494286773
2006-10-01	70.5535681398397
2007-01-01	70.8907892522995
2007-04-01	71.1649720456516
2007-07-01	71.3357477257352
2007-10-01	71.1323888032067
2008-01-01	71.5162796282464
2008-04-01	71.7173742642312
2008-07-01	71.8500830152025
2008-10-01	72.1862536309888
2009-01-01	72.5000565395656
2009-04-01	72.0909031192458
2009-07-01	71.8489864966710
2009-10-01	71.9735129817616
2010-01-01	70.4778527570422
2010-04-01	70.5442257114439
2010-07-01	70.4861897708875
2010-10-01	70.4102303708074
2011-01-01	69.8723838866217
2011-04-01	69.6784361633110
2011-07-01	69.9227639882298
2011-10-01	70.4453926398964
2012-01-01	70.4947706844585
2012-04-01	70.4935885571526
2012-07-01	70.6007078847883
2012-10-01	70.5565285608814
2013-01-01	70.5213828020121
2013-04-01	70.5222057618076
2013-07-01	70.5964323450646
2013-10-01	70.4834904632224
2014-01-01	70.0590384534745
2014-04-01	69.9521462663376
2014-07-01	70.0072904787126
2014-10-01	70.2516186714187
2015-01-01	70.2977252534975
2015-04-01	70.2858068677328
2015-07-01	70.2298179912224
2015-10-01	70.0644943928101
2016-01-01	69.9746479668220
2016-04-01	70.1193762365315
2016-07-01	70.0842651332801
2016-10-01	69.9472107557346
2017-01-01	69.9877016292825
2017-04-01	70.0164342356178
2017-07-01	70.1670737429414
2017-10-01	70.0746044886540
2018-01-01	70.1721704063312
2018-04-01	70.3914556460016