Quarter	Percent, Seasonally Adjusted
2000-01-01	64.6794409277470
2000-04-01	65.7298014801841
2000-07-01	66.5473442563376
2000-10-01	66.9580578619856
2001-01-01	66.8586446044658
2001-04-01	66.9806170212255
2001-07-01	67.1686120541580
2001-10-01	67.5192604535387
2002-01-01	67.8357696916752
2002-04-01	67.9316327147216
2002-07-01	68.6347324600169
2002-10-01	68.9006841646641
2003-01-01	68.8663121776488
2003-04-01	68.5882394667594
2003-07-01	68.8372261498923
2003-10-01	68.5099627314228
2004-01-01	68.8922347690537
2004-04-01	69.1930102076474
2004-07-01	69.1821397627510
2004-10-01	69.4195786558578
2005-01-01	69.5436103233225
2005-04-01	69.8971145597866
2005-07-01	70.0564312524542
2005-10-01	70.4045750672432
2006-01-01	70.5354901564534
2006-04-01	70.5141095831796
2006-07-01	70.7225026607995
2006-10-01	71.1391226003586
2007-01-01	71.5344455383884
2007-04-01	72.2580166196823
2007-07-01	72.5247780183393
2007-10-01	72.6230828431275
2008-01-01	72.7833395161026
2008-04-01	73.2477114525215
2008-07-01	73.4525043382896
2008-10-01	73.8218911622098
2009-01-01	74.3286369028788
2009-04-01	73.8195565152924
2009-07-01	74.0102298847635
2009-10-01	74.0490879843654
2010-01-01	72.4014057711978
2010-04-01	72.5833467971364
2010-07-01	72.6187793634982
2010-10-01	72.8232352135303
2011-01-01	72.5689826116254
2011-04-01	72.5621721408100
2011-07-01	72.7995329174476
2011-10-01	73.6492131573450
2012-01-01	73.7010273476194
2012-04-01	73.8160036757734
2012-07-01	74.1915014398041
2012-10-01	74.4519418428193
2013-01-01	74.2882596555511
2013-04-01	74.4253914886798
2013-07-01	74.6324844290344
2013-10-01	74.3848710186043
2014-01-01	73.6476608109958
2014-04-01	73.6471025062220
2014-07-01	73.8407315003882
2014-10-01	74.2577918681232
2015-01-01	74.4767284107201
2015-04-01	74.7994419517589
2015-07-01	74.7343790877163
2015-10-01	74.6655731533012
2016-01-01	74.5687222902794
2016-04-01	75.0746629849469
2016-07-01	75.1954073223798
2016-10-01	75.0168529225756
2017-01-01	75.1013306059870
2017-04-01	75.3252298387718
2017-07-01	75.3523574457306
2017-10-01	75.2170705334204
2018-01-01	75.1668259390021
2018-04-01	75.6147940209518