Quarter	Percent, Seasonally Adjusted
2005-01-01	65.2126996451549
2005-04-01	65.2035792289947
2005-07-01	65.5138079858639
2005-10-01	65.8807710666005
2006-01-01	66.4120285580436
2006-04-01	66.9911294617531
2006-07-01	67.4738176690376
2006-10-01	67.7784918045219
2007-01-01	68.4845917290890
2007-04-01	68.8331510770240
2007-07-01	69.1772555729866
2007-10-01	69.3508488222094
2008-01-01	69.7956197660657
2008-04-01	69.8509599969463
2008-07-01	70.3424115585597
2008-10-01	70.4270655915109
2009-01-01	70.1695959668889
2009-04-01	70.2231841967376
2009-07-01	70.1198587026311
2009-10-01	70.7832369862677
2010-01-01	70.7835447081711
2010-04-01	71.1224498443490
2010-07-01	71.4522049383602
2010-10-01	71.6639581169924
2011-01-01	72.1628095171342
2011-04-01	72.6548518232495
2011-07-01	72.8254494415076
2011-10-01	73.2576832804866
2012-01-01	72.7521539727055
2012-04-01	72.9392994625800
2012-07-01	73.1259785956332
2012-10-01	73.2211470005254
2013-01-01	73.2583613394364
2013-04-01	73.5121130603439
2013-07-01	73.5255429105927
2013-10-01	73.6749392243775
2014-01-01	73.6296177836414
2014-04-01	73.7784666213676
2014-07-01	73.9310636081645
2014-10-01	73.8112136347137
2015-01-01	73.9261251865763
2015-04-01	73.8678998178149
2015-07-01	73.9810063591203
2015-10-01	74.0927040866970
2016-01-01	74.2788879926721
2016-04-01	74.4282220606630
2016-07-01	74.8757227339680
2016-10-01	75.0287192796439
2017-01-01	74.9040139530411
2017-04-01	75.0988574161381
2017-07-01	75.3178102556737
2017-10-01	75.6738696559579
2018-01-01	75.6053227928856
2018-04-01	75.6157734776064