Quarter	Percent, Seasonally Adjusted
1999-04-01	44.9572454352101
1999-07-01	44.5163764685483
1999-10-01	44.2737180410021
2000-01-01	44.0210407895075
2000-04-01	43.6382801774497
2000-07-01	43.6280413692443
2000-10-01	43.3793063210084
2001-01-01	43.2734047354990
2001-04-01	43.2271776539570
2001-07-01	42.6369651502924
2001-10-01	42.5791606632911
2002-01-01	42.2272782105573
2002-04-01	42.1609625066080
2002-07-01	42.3364310461690
2002-10-01	42.2019983276476
2003-01-01	42.0701831966777
2003-04-01	41.8176812624843
2003-07-01	41.5126039829890
2003-10-01	41.5364574959940
2004-01-01	41.4425834117861
2004-04-01	41.4067920156775
2004-07-01	41.0454438675625
2004-10-01	40.3073085259972
2005-01-01	39.9315365394070
2005-04-01	39.2973194032947
2005-07-01	38.9561070695074
2005-10-01	38.7439669342558
2006-01-01	38.4460590256637
2006-04-01	38.4324219424111
2006-07-01	37.8545894663891
2006-10-01	37.7231621474223
2007-01-01	34.0907329418145
2007-04-01	33.5603175342784
2007-07-01	33.7800056581710
2007-10-01	33.7276601900590
2008-01-01	33.7332359913274
2008-04-01	34.0022765445841
2008-07-01	33.9275668382930
2008-10-01	34.2777232257663
2009-01-01	34.3617392460100
2009-04-01	34.5046908625292
2009-07-01	34.7203071978170
2009-10-01	35.1203408595560
2010-01-01	35.4322038548048
2010-04-01	35.3833708764066
2010-07-01	35.6581903402934
2010-10-01	35.4201281172812
2011-01-01	35.6622171470032
2011-04-01	35.5440370635621
2011-07-01	35.6133021686289
2011-10-01	35.4632909143711
2012-01-01	35.3469643927605
2012-04-01	35.7067023842276
2012-07-01	35.4943446927790
2012-10-01	35.3519120980320
2013-01-01	34.9382596040319
2013-04-01	34.3854098254288
2013-07-01	34.6836889718455
2013-10-01	34.5872254922571
2014-01-01	34.6008963027646
2014-04-01	35.0798899098574
2014-07-01	34.6811462810610
2014-10-01	34.9436498922412
2015-01-01	34.9966455592788
2015-04-01	34.8715390094260
2015-07-01	34.8918285053419
2015-10-01	34.4026634167829
2016-01-01	34.2617812633542
2016-04-01	33.4844078821498
2016-07-01	33.4936117561807
2016-10-01	33.6353500233314
2017-01-01	33.1943624366081
2017-04-01	33.7366150135962
2017-07-01	33.4222540131972
2017-10-01	33.1578895195473
2018-01-01	33.2762959905302
2018-04-01	32.8110034759244