Quarter	Percent, Seasonally Adjusted
1998-04-01	3.17152395560769
1999-04-01	2.80681203820508
2000-04-01	2.29838528313768
2001-04-01	1.70130628001975
2002-04-01	2.78038532028072
2003-04-01	3.80826154185995
2004-04-01	3.94271570014144
2005-04-01	3.88512766051595
2006-04-01	3.40328984685196
2007-04-01	2.93030849875397
2008-04-01	2.81869508001868
2009-04-01	3.77098471561012
2010-01-01	4.82799601903496
2010-04-01	4.62409352978070
2010-07-01	4.30097618271638
2010-10-01	4.19183739397191
2011-01-01	3.98849071657983
2011-04-01	4.16429691631916
2011-07-01	3.88137408394854
2011-10-01	4.26368276129782
2012-01-01	3.96457868700775
2012-04-01	3.97324749073895
2012-07-01	4.41282794872070
2012-10-01	4.74624214450219
2013-01-01	4.55244582468473
2013-04-01	4.61631540201889
2013-07-01	4.68303884970049
2013-10-01	4.55088369079722
2014-01-01	4.82657397118553
2014-04-01	4.95788772023164
2014-07-01	4.73144672351674
2014-10-01	4.23785186469741
2015-01-01	4.44077016749089
2015-04-01	4.68408831095940
2015-07-01	4.77972248879636
2015-10-01	4.90737281080255
2016-01-01	4.92400129030269
2016-04-01	4.89764665276938
2016-07-01	4.86446968894972
2016-10-01	4.67758294799428
2017-01-01	4.80611646318339
2017-04-01	4.38881393177582
2017-07-01	4.55493921242510
2017-10-01	4.52894357859066
2018-01-01	4.53104089505111
2018-04-01	4.44689264918316