Quarter	Percent, Seasonally Adjusted
1999-01-01	35.3586932913211
1999-04-01	36.8478074735697
1999-07-01	34.6521942081254
1999-10-01	34.4171876489334
2000-01-01	38.0399240269366
2000-04-01	36.4269984296605
2000-07-01	38.3647514842606
2000-10-01	37.2398698832927
2001-01-01	35.7898651604550
2001-04-01	36.7049283863873
2001-07-01	35.9925318045014
2001-10-01	36.8245804768529
2002-01-01	38.1071166803406
2002-04-01	36.4648114709685
2002-07-01	38.3036552717735
2002-10-01	36.9702319295447
2003-01-01	35.5330758041715
2003-04-01	39.5522434572092
2003-07-01	39.2566754059236
2003-10-01	41.1742613020772
2004-01-01	40.0233303827283
2004-04-01	41.1354308313003
2004-07-01	40.6746622169417
2004-10-01	39.6205212362572
2005-01-01	42.6893077393882
2005-04-01	43.4127071480214
2005-07-01	45.1750368452397
2005-10-01	42.3490392957508
2006-01-01	42.4401263324892
2006-04-01	40.3121031977793
2006-07-01	42.2782911962186
2006-10-01	45.8056772747757
2007-01-01	46.5309404215925
2007-04-01	42.3640025614035
2007-07-01	44.4557935761622
2007-10-01	44.4410514506483
2008-01-01	44.6743110070753
2008-04-01	42.9208126918089
2008-07-01	44.8509605321269
2008-10-01	45.3335910671265
2009-01-01	44.9676408978295
2009-04-01	44.0002797347443
2009-07-01	45.4571174619538
2009-10-01	46.2138069029021
2010-01-01	46.1047573042547
2010-04-01	48.2286418928129
2010-07-01	47.3587472542620
2010-10-01	48.6467531998151
2011-01-01	46.7919998716616
2011-04-01	48.5649789602016
2011-07-01	47.5789444420093
2011-10-01	48.3564752792239
2012-01-01	47.9573223498246
2012-04-01	48.0118587630820
2012-07-01	48.2801376896991
2012-10-01	47.4318632484587
2013-01-01	49.8910525971287
2013-04-01	51.4121954292291
2013-07-01	50.9861021604617
2013-10-01	49.6610096672081
2014-01-01	50.8564925572330
2014-04-01	52.0730101206775
2014-07-01	49.3076852033670
2014-10-01	52.9378134460516
2015-01-01	51.8671804335863
2015-04-01	51.9101353664051
2015-07-01	53.2069992100671
2015-10-01	51.7234006682551
2016-01-01	51.7958364637679
2016-04-01	55.0079942388221
2016-07-01	54.0265721593658
2016-10-01	53.6239793531687
2017-01-01	55.7761091223229
2017-04-01	55.8033804704795
2017-07-01	56.3408839504000
2017-10-01	59.5331076166958
2018-01-01	58.7566143492333
2018-04-01	57.4839742724862