Quarter	Percent, Seasonally Adjusted
1999-01-01	4.37181761483012
1999-04-01	4.62834214949750
1999-07-01	4.95702751326483
1999-10-01	5.08551966663793
2000-01-01	4.63856216301747
2000-04-01	4.18038373468115
2000-07-01	3.61766958386705
2000-10-01	3.88145827652631
2001-01-01	4.18973863964889
2001-04-01	3.73214227062040
2001-07-01	4.21909134045846
2001-10-01	4.59852409956804
2002-01-01	4.10256349599596
2002-04-01	4.36085254090704
2002-07-01	4.30389344676777
2002-10-01	4.24111052545563
2003-01-01	4.16749574891735
2003-04-01	5.22150960465519
2003-07-01	4.95080565984857
2003-10-01	5.01191036198322
2004-01-01	5.04202019619598
2004-04-01	5.14548973220805
2004-07-01	5.55163358491372
2004-10-01	4.59170365020104
2005-01-01	5.15651567572675
2005-04-01	4.25924025220958
2005-07-01	4.20021241522849
2005-10-01	4.13433344648813
2006-01-01	3.50244452908057
2006-04-01	3.47274179689469
2006-07-01	3.09418466441342
2006-10-01	3.27002906110282
2007-01-01	3.60141604547952
2007-04-01	3.33906966722525
2007-07-01	3.59832358537370
2007-10-01	3.24976554133159
2008-01-01	2.98991919314814
2008-04-01	2.75722534203567
2008-07-01	3.03916473182965
2008-10-01	3.87399224386483
2009-01-01	5.41010376967979
2009-04-01	6.63356149278140
2009-07-01	6.87865487829871
2009-10-01	7.60247696650794
2010-01-01	8.58418788404736
2010-04-01	9.17349849169166
2010-07-01	7.76841616785696
2010-10-01	7.90789557128101
2011-01-01	7.81730195433992
2011-04-01	7.81134264040388
2011-07-01	7.35504873080920
2011-10-01	7.68578793409057
2012-01-01	7.50384917630749
2012-04-01	7.97413301418191
2012-07-01	7.47258648361328
2012-10-01	7.07278153676813
2013-01-01	7.07073822659906
2013-04-01	6.46156335902477
2013-07-01	7.27245567502584
2013-10-01	6.17019366680771
2014-01-01	6.47891907824434
2014-04-01	6.04922740891727
2014-07-01	6.56052755070004
2014-10-01	6.43442554239783
2015-01-01	6.02388985736608
2015-04-01	6.02243447002469
2015-07-01	5.83772300365728
2015-10-01	5.80638678139987
2016-01-01	5.47273352417823
2016-04-01	5.89052978299990
2016-07-01	5.73359323694292
2016-10-01	5.96928695283782
2017-01-01	5.97348270562142
2017-04-01	5.45130189883939
2017-07-01	5.70296045894899
2017-10-01	5.14554265408600
2018-01-01	4.46856232824116
2018-04-01	4.83335915083216