Quarter	Percent, Seasonally Adjusted
1999-07-01	75.0594111431384
1999-10-01	75.2368049734874
2000-01-01	75.0800734193067
2000-04-01	75.0938837214848
2000-07-01	75.4335906625511
2000-10-01	75.3844587499324
2001-01-01	75.0633476172969
2001-04-01	75.4268752061046
2001-07-01	75.3759826700356
2001-10-01	75.4770014464504
2002-01-01	75.6178553221376
2002-04-01	75.7769149070243
2002-07-01	75.8103714071940
2002-10-01	75.6572642917608
2003-01-01	75.5581510026655
2003-04-01	75.4686358133479
2003-07-01	75.3896605011134
2003-10-01	75.4951611903897
2004-01-01	76.1432404254051
2004-04-01	75.9444018955353
2004-07-01	75.9051256410278
2004-10-01	75.9403287416534
2005-01-01	75.9580460753216
2005-04-01	75.9609425045077
2005-07-01	76.0295454212601
2005-10-01	76.2991933947281
2006-01-01	76.3965539050754
2006-04-01	76.3998723764551
2006-07-01	76.4858883187666
2006-10-01	76.3706113536261
2007-01-01	76.3749900196333
2007-04-01	76.4645537247395
2007-07-01	76.4784440970719
2007-10-01	76.6070585737657
2008-01-01	76.5507570661481
2008-04-01	76.5875958243226
2008-07-01	76.5640289338560
2008-10-01	76.6358064168432
2009-01-01	76.1214528048248
2009-04-01	76.0025457193827
2009-07-01	75.8359810850397
2009-10-01	75.9125916680790
2010-01-01	76.2873442945878
2010-04-01	76.3237848745334
2010-07-01	76.5838835029318
2010-10-01	76.5361947592142
2011-01-01	76.7052229446896
2011-04-01	76.9997299178981
2011-07-01	76.7290803364076
2011-10-01	76.9286373361334
2012-01-01	76.9880462062825
2012-04-01	77.0412603809308
2012-07-01	77.0711562269596
2012-10-01	76.9146097770168
2013-01-01	76.8048727900008
2013-04-01	77.1852064101672
2013-07-01	77.4933014989641
2013-10-01	77.7358449152276
2014-01-01	78.1471366792555
2014-04-01	78.2971129787090
2014-07-01	78.3931963175874
2014-10-01	78.4593985047924
2015-01-01	78.3844074803608
2015-04-01	78.4675259621719
2015-07-01	78.6010130839377
2015-10-01	78.6812998816621
2016-01-01	78.8279666563584
2016-04-01	78.6442301157085
2016-07-01	78.9351581952814
2016-10-01	78.9139682802952
2017-01-01	79.1277252843768
2017-04-01	79.0489167521322
2017-07-01	79.1207133989420
2017-10-01	79.1442335911618
2018-01-01	79.2640191775174
2018-04-01	79.3733934449397
2018-07-01	79.3213565372425