Quarter	Percent, Seasonally Adjusted
1998-01-01	14.4163293584300
1998-04-01	11.9085096126823
1998-07-01	13.2742553277526
1998-10-01	13.4127354793709
1999-01-01	11.6227380279148
1999-04-01	11.9592504907366
1999-07-01	11.0807102458430
1999-10-01	10.4208796108841
2000-01-01	12.2067969208294
2000-04-01	12.6791834089942
2000-07-01	11.2077767762551
2000-10-01	11.0204520131432
2001-01-01	12.7083957425139
2001-04-01	13.0302067051596
2001-07-01	10.6320445303407
2001-10-01	12.0946791751478
2002-01-01	11.8528387119663
2002-04-01	13.2712604553525
2002-07-01	13.6982601477732
2002-10-01	17.0438316276314
2003-01-01	16.8047784713308
2003-04-01	18.1711766799731
2003-07-01	16.3232320997748
2003-10-01	16.6933004284061
2004-01-01	16.6291886447316
2004-04-01	17.3485911524382
2004-07-01	18.6539595541989
2004-10-01	18.2634212758156
2005-01-01	19.0812801501450
2005-04-01	19.2210350664485
2005-07-01	20.3036569466495
2005-10-01	17.9597571430896
2006-01-01	17.2677681312059
2006-04-01	17.1553336940170
2006-07-01	19.2085690081625
2006-10-01	20.3669622495585
2007-01-01	19.7841903238741
2007-04-01	20.9380742708437
2007-07-01	19.8126128049506
2007-10-01	20.6910555167918
2008-01-01	19.6887164575161
2008-04-01	19.3049514028315
2008-07-01	21.0675984292956
2008-10-01	21.0830982252390
2009-01-01	21.0006891824113
2009-04-01	20.5959123730648
2009-07-01	22.1606497267237
2009-10-01	22.9892561451854
2010-01-01	23.1326852769726
2010-04-01	22.3747339114415
2010-07-01	25.2494253119281
2010-10-01	25.4019081266611
2011-01-01	28.6795244829023
2011-04-01	29.9943526209153
2011-07-01	32.7106902971033
2011-10-01	35.3246450439351
2012-01-01	34.9844099704705
2012-04-01	39.1262403649359
2012-07-01	41.6611661738126
2012-10-01	41.3476707567025
2013-01-01	42.3196956862095
2013-04-01	42.1711391011689
2013-07-01	36.6390318231836
2013-10-01	37.0535296266599
2014-01-01	35.6399284202600
2014-04-01	36.6867305799514
2014-07-01	35.5555492640006
2014-10-01	33.6659937499715
2015-01-01	37.0358946563899
2015-04-01	33.8430441127679
2015-07-01	34.3165499717726
2015-10-01	32.6776932234058
2016-01-01	30.9754528813152
2016-04-01	30.2910876405916
2016-07-01	27.0993412192791
2016-10-01	26.6426015143038
2017-01-01	25.4689647881873
2017-04-01	24.4902839544776
2017-07-01	27.0217060671559
2017-10-01	25.1201587382715
2018-01-01	19.1228402100000
2018-04-01	23.4560735558906