Quarter	Percent, Seasonally Adjusted
1999-01-01	48.1855439305050
1999-04-01	48.6216070777239
1999-07-01	49.0415579298360
1999-10-01	49.2843804186352
2000-01-01	49.6866142239661
2000-04-01	50.0481435617215
2000-07-01	50.4672522609038
2000-10-01	50.7853644225590
2001-01-01	50.9018163257612
2001-04-01	51.1357056633686
2001-07-01	51.2872564091335
2001-10-01	51.4776932290042
2002-01-01	51.4097461384581
2002-04-01	51.5017814561242
2002-07-01	51.4304574742813
2002-10-01	51.4942866543278
2003-01-01	51.7762820103234
2003-04-01	51.9358058625683
2003-07-01	51.9927271386594
2003-10-01	52.1499015622852
2004-01-01	52.1425842274499
2004-04-01	52.1866476511553
2004-07-01	52.3558520942830
2004-10-01	52.8448007577902
2005-01-01	53.3192486566807
2005-04-01	53.5024630164894
2005-07-01	53.8514405139442
2005-10-01	54.0594227014301
2006-01-01	54.1857156229812
2006-04-01	54.2193382103465
2006-07-01	54.3487879090822
2006-10-01	54.3840910508463
2007-01-01	54.4953188262265
2007-04-01	54.5299822314938
2007-07-01	54.3088257508701
2007-10-01	54.1147470220598
2008-01-01	53.8901992180098
2008-04-01	52.9579386288940
2008-07-01	51.9359587716463
2008-10-01	50.4100928304397
2009-01-01	48.4035602705495
2009-04-01	47.3473800113988
2009-07-01	46.6215380493430
2009-10-01	46.3533029353484
2010-01-01	45.9197515959894
2010-04-01	45.8470239958671
2010-07-01	45.6448763197693
2010-10-01	45.3092013562016
2011-01-01	45.0782841216606
2011-04-01	44.6723350172610
2011-07-01	44.1620657588519
2011-10-01	43.6139947668247
2012-01-01	42.8033769091392
2012-04-01	42.2028454541134
2012-07-01	41.8026383709718
2012-10-01	41.3594111671450
2013-01-01	40.9862591326647
2013-04-01	40.9416320543228
2013-07-01	40.9144953037119
2013-10-01	41.1071359642126
2014-01-01	40.9863442307151
2014-04-01	41.6202078009006
2014-07-01	42.0149516597760
2014-10-01	42.2980179296624