Quarter	Percent, Seasonally Adjusted
1999-04-01	6.05894008408254
1999-07-01	5.57263238768983
1999-10-01	5.28552796060612
2000-01-01	4.86226983071628
2000-04-01	4.51735561603006
2000-07-01	4.18479826546276
2000-10-01	4.03722693520103
2001-01-01	3.83760616657279
2001-04-01	3.87839634082707
2001-07-01	4.12499047005962
2001-10-01	4.08976521317034
2002-01-01	4.51117716095944
2002-04-01	4.42968511260502
2002-07-01	4.42449286498327
2002-10-01	4.72331253363572
2003-01-01	4.81117794984901
2003-04-01	4.70193904935880
2003-07-01	5.02469461095459
2003-10-01	4.74070328935907
2004-01-01	4.61519412716635
2004-04-01	4.65517923033016
2004-07-01	4.59169381534945
2004-10-01	4.58380959438309
2005-01-01	4.30820998509049
2005-04-01	4.37130023630280
2005-07-01	4.42394986697435
2005-10-01	4.54544233182985
2006-01-01	4.39869714693381
2006-04-01	4.45265290329354
2006-07-01	4.73211755281635
2006-10-01	4.37693661690411
2007-01-01	5.03284960914997
2007-04-01	5.18689438448433
2007-07-01	4.88966091143051
2007-10-01	5.14270809159580
2008-01-01	5.53699789245952
2008-04-01	6.16365411273469
2008-07-01	7.41193558657197
2008-10-01	8.51270862167965
2009-01-01	11.19771382771490
2009-04-01	12.91658759263080
2009-07-01	13.42263414704650
2009-10-01	13.86182888463690
2010-01-01	14.19548703287720
2010-04-01	14.65931394156670
2010-07-01	14.70201683292450
2010-10-01	15.67412740237520
2011-01-01	15.49033971055360
2011-04-01	15.37774239783550
2011-07-01	15.77931180011360
2011-10-01	16.01286894940530
2012-01-01	16.24994369124510
2012-04-01	15.84895735618550
2012-07-01	15.72352225182280
2012-10-01	15.27869710793660
2013-01-01	14.79955267575460
2013-04-01	14.57374863073200
2013-07-01	13.60121071690490
2013-10-01	13.15819647627290
2014-01-01	13.08287871099060
2014-04-01	12.36675750050300
2014-07-01	11.89822272792380
2014-10-01	11.15371372890030
2015-01-01	10.87013682003120
2015-04-01	10.26110481009920
2015-07-01	9.76755436835183
2015-10-01	9.65378313730123
2016-01-01	9.16722342873519
2016-04-01	9.00232433758180
2016-07-01	8.36625338327251
2016-10-01	7.71646191484776
2017-01-01	7.42214460973208
2017-04-01	6.82537978840436
2017-07-01	6.74672370441716
2017-10-01	6.48823858284430
2018-01-01	6.01115835992108
2018-04-01	6.00113850671811