Quarter	Percent, Seasonally Adjusted
1998-01-01	43.3744909729785
1998-04-01	43.9721593018443
1998-07-01	43.9306180316345
1998-10-01	43.8069674421148
1999-01-01	43.3920648775597
1999-04-01	42.7243382717641
1999-07-01	42.8151697156653
1999-10-01	42.0964701362108
2000-01-01	42.6343879352315
2000-04-01	42.5700461162724
2000-07-01	42.2492521591852
2000-10-01	42.5169706724103
2001-01-01	40.9927824338507
2001-04-01	40.5170268933601
2001-07-01	40.5936960887278
2001-10-01	40.2669825613289
2002-01-01	39.8506992791111
2002-04-01	39.8743392744143
2002-07-01	40.4096214360644
2002-10-01	39.5796544128601
2003-01-01	39.6253821468681
2003-04-01	39.0568233819490
2003-07-01	39.2471237090664
2003-10-01	38.9398982117619
2004-01-01	41.3631812429216
2004-04-01	41.1340137101412
2004-07-01	40.1442591245161
2004-10-01	39.8100907024415
2005-01-01	39.8762810271967
2005-04-01	39.3034089487451
2005-07-01	38.0626724294206
2005-10-01	38.0337492228757
2006-01-01	38.5473877444844
2006-04-01	37.9340785302792
2006-07-01	37.0463237589808
2006-10-01	36.8875705526112
2007-01-01	35.6957341129913
2007-04-01	35.9846884658112
2007-07-01	36.4890640943252
2007-10-01	35.7806023596766
2008-01-01	35.5564690691147
2008-04-01	36.8866067022530
2008-07-01	35.8423686475761
2008-10-01	34.6772739252448
2009-01-01	34.1120109228985
2009-04-01	32.9795027136101
2009-07-01	34.3967683812368
2009-10-01	33.6752080973744
2010-01-01	34.0132880668664
2010-04-01	33.3588193242318
2010-07-01	31.4697502301874
2010-10-01	32.4263905770363
2011-01-01	31.9770060636284
2011-04-01	30.1513819465383
2011-07-01	30.7712327984770
2011-10-01	31.9716119632301
2012-01-01	33.1495351102083
2012-04-01	33.5608166845409
2012-07-01	32.7462416787759
2012-10-01	32.0904932436959
2013-01-01	31.3170899979535
2013-04-01	30.9219923036209
2013-07-01	30.2787466807968
2013-10-01	30.2263917567782
2014-01-01	31.0056207354952
2014-04-01	31.0041911593210
2014-07-01	31.3949696207596
2014-10-01	30.5623114245337
2015-01-01	30.2206988297560
2015-04-01	30.0811843254811
2015-07-01	30.6128451183694
2015-10-01	30.8704071586834
2016-01-01	29.8369210274399
2016-04-01	30.6468636495940
2016-07-01	29.8193128951476
2016-10-01	30.6166289896444
2017-01-01	30.0251227595503
2017-04-01	29.4839998964826
2017-07-01	30.4061398420915
2017-10-01	29.9732344807790
2018-01-01	30.2154817493033
2018-04-01	30.4882295939434