Quarter	Percent, Seasonally Adjusted
1999-01-01	48.2664281778795
1999-04-01	48.1950087889043
1999-07-01	48.0141032950680
1999-10-01	47.8447509926966
2000-01-01	47.4542927453243
2000-04-01	47.5450589879408
2000-07-01	47.4525269083494
2000-10-01	47.1633400810230
2001-01-01	46.9491903993123
2001-04-01	46.9474926981352
2001-07-01	46.9097319615596
2001-10-01	47.2338855093150
2002-01-01	47.4978890860213
2002-04-01	47.4113681090939
2002-07-01	47.3786089975175
2002-10-01	47.4532683455432
2003-01-01	47.3134706763028
2003-04-01	47.1500441703612
2003-07-01	46.9973420015184
2003-10-01	47.0160995557907
2004-01-01	47.3479917298140
2004-04-01	47.2169404106329
2004-07-01	47.4409939332296
2004-10-01	47.8303021559698
2005-01-01	48.0361469055648
2005-04-01	48.6605556359879
2005-07-01	49.1197045763960
2005-10-01	48.9452549204083
2006-01-01	49.4405805882426
2006-04-01	49.1815452215659
2006-07-01	49.1960708724348
2006-10-01	49.2880550795988
2007-01-01	49.2579683704391
2007-04-01	49.3332324216797
2007-07-01	49.6907247981925
2007-10-01	49.3024512980510
2008-01-01	49.0161558982325
2008-04-01	48.9812398777907
2008-07-01	48.7362628117097
2008-10-01	49.2623165001383
2009-01-01	49.7805260041204
2009-04-01	49.8134566114125
2009-07-01	49.6602945592098
2009-10-01	49.5356687161542
2010-01-01	49.1941324829136
2010-04-01	49.2414822440251
2010-07-01	49.1129381401861
2010-10-01	49.2232912036422
2011-01-01	49.8041786364064
2011-04-01	49.9586224350952
2011-07-01	49.8867647851747
2011-10-01	49.8043593756591
2012-01-01	49.3835757223171
2012-04-01	49.0811573076508
2012-07-01	49.1539604448704
2012-10-01	49.6551353668167
2013-01-01	48.8727147925166
2013-04-01	49.1072669701198
2013-07-01	48.9606224612773
2013-10-01	48.9399704868376
2014-01-01	48.9270200872438
2014-04-01	49.0058172909200
2014-07-01	49.0108409476934
2014-10-01	48.7489533672983
2015-01-01	48.3070631078000
2015-04-01	48.2618388174865
2015-07-01	48.0103996355490
2015-10-01	47.6090652396429
2016-01-01	47.5489102977238
2016-04-01	47.3122022735009
2016-07-01	47.4300546849191
2016-10-01	47.5006266140348
2017-01-01	47.4179044912005
2017-04-01	47.3652188947945
2017-07-01	47.1599467178637
2017-10-01	47.3653330429808
2018-01-01	47.6701068604394
2018-04-01	47.8771516308525