Quarter	Percent, Seasonally Adjusted
2005-01-01	74.9745535308933
2005-04-01	75.0170601210527
2005-07-01	75.0343713264650
2005-10-01	75.2765411943736
2006-01-01	75.6708567953188
2006-04-01	75.9295355386338
2006-07-01	76.0911294153872
2006-10-01	76.1650438322965
2007-01-01	76.1243555992286
2007-04-01	76.2242003523396
2007-07-01	76.6653723714513
2007-10-01	76.7489282974664
2008-01-01	76.9814317936987
2008-04-01	77.1573391097189
2008-07-01	77.3281658252302
2008-10-01	77.3673442368712
2009-01-01	77.4605379305759
2009-04-01	77.5801446253744
2009-07-01	77.7039281408198
2009-10-01	77.8496480039179
2010-01-01	77.9252462415040
2010-04-01	78.1286674210458
2010-07-01	78.1037613257504
2010-10-01	78.2436595318457
2011-01-01	78.1517506796970
2011-04-01	78.2616034715759
2011-07-01	78.3650993457735
2011-10-01	78.5659438830346
2012-01-01	78.9131574435280
2012-04-01	78.9912871761402
2012-07-01	79.0573047862804
2012-10-01	79.1642365646227
2013-01-01	79.2854092287642
2013-04-01	79.2853243607655
2013-07-01	79.2405771696530
2013-10-01	79.2031954092090
2014-01-01	79.3870502850045
2014-04-01	79.2617552678133
2014-07-01	79.2789266950373
2014-10-01	79.3974339669171
2015-01-01	79.2885407401471
2015-04-01	79.3963350629092
2015-07-01	79.1501394880266
2015-10-01	79.3464599704770
2016-01-01	79.4454075415934
2016-04-01	79.5404910953073
2016-07-01	79.6911795674766
2016-10-01	79.6293386827058
2017-01-01	79.5128457218672
2017-04-01	79.4444327410926
2017-07-01	79.6888348097990
2017-10-01	79.6305628314818
2018-01-01	79.7372964561651
2018-04-01	79.9248387117842