Quarter	Percent, Seasonally Adjusted
2000-01-01	56.5393780660448
2000-04-01	56.6140354954885
2000-07-01	56.5405907115390
2000-10-01	56.6548070884159
2001-01-01	56.7183289091217
2001-04-01	56.6220781675943
2001-07-01	56.3810520569674
2001-10-01	56.0395646805373
2002-01-01	55.8444284306846
2002-04-01	55.5770516607531
2002-07-01	55.3205525767389
2002-10-01	55.0726822738083
2003-01-01	54.7174464823802
2003-04-01	54.7281206190743
2003-07-01	54.7489015455362
2003-10-01	54.7212704005417
2004-01-01	54.8727070974462
2004-04-01	54.6016856343719
2004-07-01	54.5035099914766
2004-10-01	54.8226379995244
2005-01-01	54.8403586267215
2005-04-01	54.8496957656880
2005-07-01	55.0786716485297
2005-10-01	54.8372601491575
2006-01-01	54.1323117287061
2006-04-01	54.0166378651948
2006-07-01	54.0738854268960
2006-10-01	53.7860274548561
2007-01-01	53.6686867831165
2007-04-01	53.7437745419602
2007-07-01	53.5860284876157
2007-10-01	53.8235420390419
2008-01-01	54.1007129799848
2008-04-01	54.1286539576646
2008-07-01	54.2142141786392
2008-10-01	54.4419909321186
2009-01-01	54.8233622678748
2009-04-01	54.8240245183710
2009-07-01	55.0499475106896
2009-10-01	54.9970093986091
2010-01-01	55.1194870256963
2010-04-01	55.3360187347782
2010-07-01	55.4399353284776
2010-10-01	55.3707670563878
2011-01-01	55.3984958851900
2011-04-01	55.5652159859992
2011-07-01	55.5436492037246
2011-10-01	55.6787898930747
2012-01-01	55.7480009952958
2012-04-01	55.8870742587959
2012-07-01	55.9103349772279
2012-10-01	55.9236018800148
2013-01-01	55.7700446395823
2013-04-01	55.9977558015303
2013-07-01	55.9945753603254
2013-10-01	55.9844227289589
2014-01-01	56.2510766259227
2014-04-01	56.2751872822559
2014-07-01	56.2849028476516
2014-10-01	56.1833235059141
2015-01-01	56.1667158784841
2015-04-01	55.9336736494031
2015-07-01	56.1805821558119
2015-10-01	56.3570420755918
2016-01-01	56.2641378369214
2016-04-01	56.1763079192481
2016-07-01	56.1182647352197
2016-10-01	56.3104205999059
2017-01-01	56.4514287017980
2017-04-01	56.5593545245730
2017-07-01	56.4587952389815
2017-10-01	56.2780797832783
2018-01-01	56.2831917226129
2018-04-01	56.3056692821522