Quarter	Percent, Seasonally Adjusted
1998-04-01	4.23748544819558
1999-04-01	3.58983266747727
2000-04-01	3.16621158426770
2001-04-01	3.46677206255999
2002-04-01	3.16203344777938
2003-04-01	4.57202163107008
2004-04-01	4.84930762964974
2005-04-01	5.17232138071501
2006-04-01	4.78306878306878
2007-04-01	4.58067218092346
2008-04-01	4.02596085589697
2009-04-01	4.61385151968112
2010-01-01	5.33255806244682
2010-04-01	5.42887017869494
2010-07-01	5.52945324680352
2010-10-01	4.92040109313601
2011-01-01	4.88221528950942
2011-04-01	4.24597727877065
2011-07-01	5.28499834018376
2011-10-01	5.12662534101069
2012-01-01	4.56867730550906
2012-04-01	4.78722656861604
2012-07-01	4.75153376098087
2012-10-01	5.21549857060321
2013-01-01	5.11462370620729
2013-04-01	5.15237248710795
2013-07-01	4.94668436086157
2013-10-01	4.92148822794843
2014-01-01	5.17446011701324
2014-04-01	5.07980029996280
2014-07-01	5.27325015026544
2014-10-01	4.95334625720715
2015-01-01	4.34140245097976
2015-04-01	4.87020985858280
2015-07-01	5.38443639149559
2015-10-01	5.44277289874060
2016-01-01	5.05683031301297
2016-04-01	5.08230204152462
2016-07-01	5.23711114788782
2016-10-01	5.17811325092717
2017-01-01	5.11408349823369
2017-04-01	5.14883522872918
2017-07-01	5.34082793507309
2017-10-01	5.20562802275580
2018-01-01	5.34829983386295
2018-04-01	5.61639578721117