Quarter	Percent, Seasonally Adjusted
1999-07-01	74.6515777199129
1999-10-01	73.7064134364378
2000-01-01	71.9911931004709
2000-04-01	70.8170653414162
2000-07-01	71.3806318907160
2000-10-01	71.1156718877303
2001-01-01	70.6205358665117
2001-04-01	72.3367259749953
2001-07-01	72.7073654373647
2001-10-01	72.4274016582742
2002-01-01	73.3100673484244
2002-04-01	73.2218117264244
2002-07-01	74.6504366973492
2002-10-01	74.3961661200862
2003-01-01	72.8939472538152
2003-04-01	72.3424582997899
2003-07-01	72.4189319934691
2003-10-01	73.2169721277212
2004-01-01	74.2169741428666
2004-04-01	73.1493631841925
2004-07-01	73.4015309177902
2004-10-01	74.6106585655966
2005-01-01	74.4726386649394
2005-04-01	75.0475360126083
2005-07-01	74.5033663297512
2005-10-01	74.2474122014409
2006-01-01	74.8775914775908
2006-04-01	75.0258031396788
2006-07-01	74.4773913831479
2006-10-01	75.5368142511121
2007-01-01	76.7120371555870
2007-04-01	76.9981889108847
2007-07-01	77.0906901226720
2007-10-01	76.5843521221878
2008-01-01	76.7425311498697
2008-04-01	76.2500463347790
2008-07-01	76.1787694228040
2008-10-01	75.8662461352262
2009-01-01	76.0912793477395
2009-04-01	75.9756761940119
2009-07-01	76.6479690398229
2009-10-01	77.2283828784661
2010-01-01	77.3463783877721
2010-04-01	77.5912062725884
2010-07-01	77.8072801922309
2010-10-01	77.7700965997101
2011-01-01	78.6499339087058
2011-04-01	79.1828771544444
2011-07-01	78.3627004995214
2011-10-01	79.3614545902286
2012-01-01	78.9758374816880
2012-04-01	79.9728665777381
2012-07-01	79.7099572711913
2012-10-01	79.6110021565556
2013-01-01	79.1237577460579
2013-04-01	80.4133592866446
2013-07-01	81.0661615212787
2013-10-01	81.0249124661990
2014-01-01	81.6958897876517
2014-04-01	82.6015154726500
2014-07-01	81.9087823442204
2014-10-01	82.0904372572424
2015-01-01	82.4157254073924
2015-04-01	81.5788957711566
2015-07-01	81.8350758339998
2015-10-01	81.4112385463053
2016-01-01	81.3450468755816
2016-04-01	80.8151930397868
2016-07-01	82.1078657808414
2016-10-01	82.6310815097911
2017-01-01	83.0409951463991
2017-04-01	82.9025695600890
2017-07-01	82.5957540594283
2017-10-01	82.4346644022519
2018-01-01	82.4458679695053
2018-04-01	82.2331699311685
2018-07-01	82.0270639024183