Quarter	Percent, Seasonally Adjusted
1999-07-01	48.6147415838319
1999-10-01	48.8667263502344
2000-01-01	48.4345206933045
2000-04-01	48.2663369810454
2000-07-01	48.2852604161827
2000-10-01	46.9861084528106
2001-01-01	46.6933643752039
2001-04-01	47.9610058773190
2001-07-01	48.2185680067973
2001-10-01	48.3880750349074
2002-01-01	48.6776507743855
2002-04-01	47.8731107869916
2002-07-01	47.2729867533251
2002-10-01	46.7400909060843
2003-01-01	44.9823685398829
2003-04-01	45.4436209884803
2003-07-01	45.4659940734153
2003-10-01	45.7692158924050
2004-01-01	47.1401771659274
2004-04-01	46.1514667857929
2004-07-01	46.1631420127869
2004-10-01	46.3262415031500
2005-01-01	46.2513701722292
2005-04-01	45.6875132624001
2005-07-01	45.8461875290018
2005-10-01	45.3926335832609
2006-01-01	46.1478201985084
2006-04-01	46.1276144105328
2006-07-01	46.0595211423729
2006-10-01	47.5676092001386
2007-01-01	46.8671738011605
2007-04-01	47.2224130720268
2007-07-01	46.8068581760965
2007-10-01	46.6624263341752
2008-01-01	47.3151200595347
2008-04-01	47.2625229111102
2008-07-01	47.4079787891654
2008-10-01	47.2136742179161
2009-01-01	46.9523439553244
2009-04-01	46.5427452589602
2009-07-01	46.7068536581434
2009-10-01	46.3805002876246
2010-01-01	46.5278820020623
2010-04-01	47.1829183795988
2010-07-01	47.1843800827826
2010-10-01	47.3773401876081
2011-01-01	47.1973306396932
2011-04-01	47.9464103330804
2011-07-01	48.6083173935104
2011-10-01	48.9293995741321
2012-01-01	49.4119758892207
2012-04-01	49.3898215455718
2012-07-01	49.1890930249419
2012-10-01	49.7515516293097
2013-01-01	49.9821179155956
2013-04-01	50.9196640996344
2013-07-01	51.1395999305768
2013-10-01	51.3443866843069
2014-01-01	51.8076446486460
2014-04-01	52.0072334390633
2014-07-01	52.3294416264701
2014-10-01	52.5039388354709
2015-01-01	52.9940578967285
2015-04-01	52.8818102495740
2015-07-01	53.4763189072748
2015-10-01	53.5964966742961
2016-01-01	53.3752663137569
2016-04-01	53.6260414900474
2016-07-01	53.7010197410890
2016-10-01	53.6797727037602
2017-01-01	54.4105293008400
2017-04-01	54.4791041519489
2017-07-01	54.8674936022490
2017-10-01	55.3891128632855
2018-01-01	55.0658841176260
2018-04-01	54.5651191795790
2018-07-01	54.2490205856101