Quarter	Percent, Seasonally Adjusted
2000-01-01	48.6130223929041
2000-04-01	49.8190858132891
2000-07-01	50.9972537309012
2000-10-01	51.2915813999331
2001-01-01	51.0500995478650
2001-04-01	50.4482378662753
2001-07-01	50.5628552059670
2001-10-01	52.1788660566433
2002-01-01	52.7416235072034
2002-04-01	54.8046741519099
2002-07-01	55.3521310428860
2002-10-01	55.5312642702819
2003-01-01	57.0774656575712
2003-04-01	56.8552412808024
2003-07-01	56.5343549760284
2003-10-01	56.3631076103066
2004-01-01	57.0879824714656
2004-04-01	56.3869656949253
2004-07-01	56.7811938791084
2004-10-01	57.3099507085647
2005-01-01	56.9214275270907
2005-04-01	57.1972267634714
2005-07-01	57.1037241326854
2005-10-01	56.5343082261095
2006-01-01	56.1591903714033
2006-04-01	57.7939800017346
2006-07-01	58.4905185932996
2006-10-01	59.3700579521301
2007-01-01	60.7419986581338
2007-04-01	61.5101368743228
2007-07-01	61.9721192619466
2007-10-01	61.9187477644108
2008-01-01	62.4083960341195
2008-04-01	63.1597650584849
2008-07-01	64.2865464598988
2008-10-01	64.7960052329596
2009-01-01	65.5648622444351
2009-04-01	65.3690599959966
2009-07-01	65.6773220869583
2009-10-01	65.0240920052127
2010-01-01	63.9462221383167
2010-04-01	64.6252047560298
2010-07-01	64.6900252195561
2010-10-01	64.6902169785516
2011-01-01	63.5514717239450
2011-04-01	64.0896608254732
2011-07-01	64.7911531299818
2011-10-01	65.4410015526975
2012-01-01	66.2742136403185
2012-04-01	66.9793042816374
2012-07-01	67.1468166233957
2012-10-01	67.1623649039641
2013-01-01	67.7799673897805
2013-04-01	68.3657905399019
2013-07-01	69.4440579360725
2013-10-01	69.9047437580564
2014-01-01	68.4679031035005
2014-04-01	69.4321931080169
2014-07-01	69.5551087357333
2014-10-01	69.9754786685023
2015-01-01	70.8896311728970
2015-04-01	71.0927549096249
2015-07-01	70.8960657145117
2015-10-01	71.5259446646171
2016-01-01	72.3468121233479
2016-04-01	72.1721694816981
2016-07-01	72.7597020486171
2016-10-01	73.9469699151343
2017-01-01	73.9648095098937
2017-04-01	74.7380825964124
2017-07-01	74.9715035884239
2017-10-01	75.4340420434468
2018-01-01	75.5375379198330
2018-04-01	76.3370987131668