Quarter	Percent, Seasonally Adjusted
2000-01-01	74.1396862515144
2000-04-01	74.9301169956486
2000-07-01	75.5544503531994
2000-10-01	75.9783484537182
2001-01-01	75.7653873512566
2001-04-01	75.6969672013035
2001-07-01	75.8029014427776
2001-10-01	76.0244344403757
2002-01-01	76.1740235553392
2002-04-01	76.4480562860331
2002-07-01	76.6998135122213
2002-10-01	76.7905349122426
2003-01-01	76.5677255427016
2003-04-01	76.5060907773975
2003-07-01	76.4889360838410
2003-10-01	76.2918641761789
2004-01-01	76.5583899433558
2004-04-01	76.6050964081186
2004-07-01	76.6668836709031
2004-10-01	76.6440270842012
2005-01-01	76.6897393951723
2005-04-01	76.8603950949520
2005-07-01	76.9445810042281
2005-10-01	77.0632554963251
2006-01-01	77.1106331494952
2006-04-01	77.1836895035453
2006-07-01	77.4073617317697
2006-10-01	77.8214334009246
2007-01-01	78.0807606772690
2007-04-01	78.4890613939734
2007-07-01	78.7219959484878
2007-10-01	78.6335572875803
2008-01-01	78.9488583454191
2008-04-01	79.3711707982820
2008-07-01	79.3840002146264
2008-10-01	79.6774563092503
2009-01-01	79.9661800293499
2009-04-01	79.6412057727086
2009-07-01	79.6479801597382
2009-10-01	79.5195767598412
2010-01-01	78.0726145791846
2010-04-01	78.2095628198876
2010-07-01	78.2316124453405
2010-10-01	78.2366757371390
2011-01-01	77.8023475138633
2011-04-01	77.6788644878770
2011-07-01	78.0352958228098
2011-10-01	78.7438894640371
2012-01-01	78.8423172234158
2012-04-01	78.8712283434532
2012-07-01	79.0945291698016
2012-10-01	79.2012358847881
2013-01-01	79.1708417924162
2013-04-01	79.3768402069530
2013-07-01	79.5251119527147
2013-10-01	79.4470320438146
2014-01-01	78.9269875950678
2014-04-01	78.8661320588152
2014-07-01	78.9837285072642
2014-10-01	79.3166432041176
2015-01-01	79.5381830959176
2015-04-01	79.6811041368556
2015-07-01	79.6637366809822
2015-10-01	79.6082774413846
2016-01-01	79.5660684493954
2016-04-01	79.7765052769975
2016-07-01	79.7421748614952
2016-10-01	79.5919788570387
2017-01-01	79.6501282513067
2017-04-01	79.7206775909578
2017-07-01	79.7810016042805
2017-10-01	79.7540286044874
2018-01-01	79.8383374161149
2018-04-01	80.0507143315430