Quarter	Percent, Seasonally Adjusted
1998-01-01	4.72263517638554
1998-04-01	4.33463038489608
1998-07-01	4.09628010713030
1998-10-01	4.07307106189354
1999-01-01	3.92070994131912
1999-04-01	4.67956730588508
1999-07-01	4.15986264604968
1999-10-01	3.90821486776080
2000-01-01	3.73811647963515
2000-04-01	3.43153109819616
2000-07-01	3.38169862257552
2000-10-01	3.06778782649055
2001-01-01	3.10913925389633
2001-04-01	3.21284060468888
2001-07-01	3.50667499291880
2001-10-01	3.54961710366875
2002-01-01	3.75512498765935
2002-04-01	4.23385463937163
2002-07-01	4.43290444843832
2002-10-01	5.12077305304563
2003-01-01	5.68291166903723
2003-04-01	5.71454616060109
2003-07-01	5.92500447261746
2003-10-01	5.92492366369257
2004-01-01	5.69500459587337
2004-04-01	6.12523649386184
2004-07-01	6.36630162326751
2004-10-01	6.55822335327590
2005-01-01	6.80391056761789
2005-04-01	7.05993576707747
2005-07-01	7.20987743465036
2005-10-01	7.28453444748826
2006-01-01	6.83462309184898
2006-04-01	6.98244019136046
2006-07-01	6.75706572617666
2006-10-01	7.34561163932335
2007-01-01	7.33895842154264
2007-04-01	7.02952178738906
2007-07-01	7.12034494030916
2007-10-01	6.60142819637519
2008-01-01	6.60614797979866
2008-04-01	6.72016571732339
2008-07-01	6.97633340288472
2008-10-01	7.26876673476461
2009-01-01	8.29124200340437
2009-04-01	9.20525176454348
2009-07-01	9.86356822778102
2009-10-01	10.18900108686760
2010-01-01	10.03610689746270
2010-04-01	10.32061196681850
2010-07-01	10.46810769385650
2010-10-01	10.75298169792810
2011-01-01	12.17667209609160
2011-04-01	12.66036384834350
2011-07-01	13.09222977011940
2011-10-01	14.68561116372560
2012-01-01	14.86912102148560
2012-04-01	16.09177451117330
2012-07-01	17.51827155603650
2012-10-01	17.72998304189530
2013-01-01	18.05066761548140
2013-04-01	17.54889967026630
2013-07-01	16.81654710180480
2013-10-01	15.62499905333660
2014-01-01	15.15560829882000
2014-04-01	14.53931540461800
2014-07-01	13.52352541963790
2014-10-01	13.67264641335300
2015-01-01	13.07478449079710
2015-04-01	12.91763184067910
2015-07-01	12.64939237658700
2015-10-01	12.44814822118300
2016-01-01	12.37712374984850
2016-04-01	11.65599321884100
2016-07-01	11.38665758766170
2016-10-01	10.73799372106270
2017-01-01	9.66244029649681
2017-04-01	9.09498994574548
2017-07-01	8.44177925531383
2017-10-01	7.90469458548963
2018-01-01	7.54714065292788
2018-04-01	6.98854591550178