Quarter	Percent, Seasonally Adjusted
2005-01-01	57.1034430658310
2005-04-01	57.2007993745073
2005-07-01	57.4055041176238
2005-10-01	57.6112227089128
2006-01-01	58.0629305505971
2006-04-01	58.3144784426981
2006-07-01	58.4868692929850
2006-10-01	58.7777411710876
2007-01-01	58.5840389488570
2007-04-01	58.8908835430539
2007-07-01	58.9972134408894
2007-10-01	59.1136806380341
2008-01-01	58.9507041418248
2008-04-01	58.9311753358806
2008-07-01	59.1646512323624
2008-10-01	59.2082305685167
2009-01-01	59.1482190754445
2009-04-01	59.5367855456678
2009-07-01	59.4347507892272
2009-10-01	60.2460050550462
2010-01-01	59.8212924480541
2010-04-01	59.9454670600962
2010-07-01	60.1608285512179
2010-10-01	60.5367589021323
2011-01-01	60.9939787604815
2011-04-01	61.3841842570283
2011-07-01	61.6145017421568
2011-10-01	61.7300871254973
2012-01-01	61.4013383722307
2012-04-01	61.5945428118769
2012-07-01	61.8064698588596
2012-10-01	61.9798583963255
2013-01-01	62.3949106590950
2013-04-01	62.5572799063914
2013-07-01	62.7092249302073
2013-10-01	62.7776657677595
2014-01-01	63.0098725556774
2014-04-01	63.0698464261290
2014-07-01	63.2642383152377
2014-10-01	63.3059931166783
2015-01-01	63.2434688294492
2015-04-01	63.3855924092516
2015-07-01	63.3719014617388
2015-10-01	63.6855701107729
2016-01-01	64.1563078672568
2016-04-01	64.2094924258084
2016-07-01	64.7055158821921
2016-10-01	64.6749236352004
2017-01-01	64.4339219312132
2017-04-01	64.7868848450415
2017-07-01	65.0651612442697
2017-10-01	65.2211476219354
2018-01-01	64.5331418066047
2018-04-01	64.7218803931041