Quarter	Percent, Seasonally Adjusted
1998-04-01	1.79551122194514
1999-04-01	2.52225519287834
2000-04-01	2.32903865213082
2001-04-01	1.59018627896411
2002-04-01	1.86278964107224
2003-04-01	2.50318201103097
2004-04-01	3.39885339885340
2005-04-01	3.65474339035770
2006-04-01	3.37837837837838
2007-04-01	3.78651280201947
2008-04-01	2.65548567435360
2009-04-01	2.34676007005254
2010-01-01	3.39308305663847
2010-04-01	3.30283817058154
2010-07-01	3.61101582098243
2010-10-01	3.44843378928177
2011-01-01	4.10992867080509
2011-04-01	3.64168159303584
2011-07-01	3.33980375309854
2011-10-01	3.63015628353850
2012-01-01	3.54495937147948
2012-04-01	3.39782136898323
2012-07-01	2.84921932226194
2012-10-01	3.72403482617305
2013-01-01	3.61903364027389
2013-04-01	3.62411576886994
2013-07-01	2.69781141621485
2013-10-01	2.57989117711513
2014-01-01	3.11330854627950
2014-04-01	3.74847811507764
2014-07-01	2.95679700244628
2014-10-01	2.85631920524825
2015-01-01	3.36201870512803
2015-04-01	3.20379886163299
2015-07-01	4.10208007829270
2015-10-01	3.48729834179063
2016-01-01	3.28749411980684
2016-04-01	3.30999918275891
2016-07-01	2.99679200922769
2016-10-01	2.92231493456026
2017-01-01	3.42266648524658
2017-04-01	3.10960174693837
2017-07-01	3.31948857296175
2017-10-01	3.54919044569480
2018-01-01	3.76094824443804
2018-04-01	3.51724196573555