Quarter	Percent, Seasonally Adjusted
1998-04-01	2.92097283247726
1999-04-01	2.73301933564700
2000-04-01	3.32155914978001
2001-04-01	3.74875868917577
2002-04-01	4.00788031767531
2003-04-01	4.43096157381872
2004-04-01	4.34038391001345
2005-04-01	4.38120772652489
2006-04-01	4.52639893067623
2007-04-01	4.17547888089915
2008-04-01	4.10085235739405
2009-04-01	4.00562192550949
2010-01-01	5.52507533559447
2010-04-01	5.34588296338683
2010-07-01	5.25559563805934
2010-10-01	5.38797063969600
2011-01-01	4.91060110458811
2011-04-01	4.75461809827916
2011-07-01	4.90666045688774
2011-10-01	5.04801938618900
2012-01-01	4.96321410551465
2012-04-01	4.81538461436345
2012-07-01	4.73789387804483
2012-10-01	4.92438378799375
2013-01-01	5.43334597310612
2013-04-01	5.61288489441445
2013-07-01	5.10021512234914
2013-10-01	4.93648474583655
2014-01-01	5.16743326463024
2014-04-01	4.94134870204696
2014-07-01	4.92779113437427
2014-10-01	4.77607546208507
2015-01-01	4.42926329582188
2015-04-01	4.73051577800467
2015-07-01	4.87910062828072
2015-10-01	4.03746276503662
2016-01-01	4.29158256564908
2016-04-01	4.40975591171146
2016-07-01	4.55082856060829
2016-10-01	4.59651312406091
2017-01-01	4.81633833019733
2017-04-01	4.79338334263402
2017-07-01	4.99514488447564
2017-10-01	4.78999553631101
2018-01-01	4.62429522237694
2018-04-01	4.79491280964352