Quarter	Percent, Seasonally Adjusted
2001-01-01	30.5410384117241
2001-04-01	30.5658477706321
2001-07-01	29.6708911011367
2001-10-01	29.3050853411960
2002-01-01	29.0831491561453
2002-04-01	28.5363578954807
2002-07-01	28.7459687380022
2002-10-01	28.6957418682919
2003-01-01	28.6382885693978
2003-04-01	28.0871264556183
2003-07-01	27.7457549935959
2003-10-01	27.8220668177188
2004-01-01	27.6558595847224
2004-04-01	27.2822935392483
2004-07-01	27.0361866354949
2004-10-01	27.2625042717859
2005-01-01	27.0161882479039
2005-04-01	27.9500269296653
2005-07-01	27.3267405167946
2005-10-01	26.8189647756376
2006-01-01	26.4672294364652
2006-04-01	27.1445266453923
2006-07-01	27.5550785014339
2006-10-01	27.5186648726641
2007-01-01	27.4320593587771
2007-04-01	27.0534879953714
2007-07-01	26.8792825128471
2007-10-01	27.2515134965961
2008-01-01	27.6079660817168
2008-04-01	27.3750201234328
2008-07-01	27.0042990324448
2008-10-01	26.8553349049409
2009-01-01	26.3154478386436
2009-04-01	26.5309209503782
2009-07-01	26.1075391768897
2009-10-01	25.5650491570096
2010-01-01	25.5867640545780
2010-04-01	25.5292589009421
2010-07-01	25.0416563126939
2010-10-01	24.7620744098871
2011-01-01	24.3890107611216
2011-04-01	23.8330643978988
2011-07-01	24.0742798185051
2011-10-01	23.7462978667665
2012-01-01	23.7256226014287
2012-04-01	23.0008782290713
2012-07-01	23.0349467641808
2012-10-01	22.3939804547835
2013-01-01	22.7976137641532
2013-04-01	22.7080930068359
2013-07-01	22.4229240130280
2013-10-01	22.0064254246309
2014-01-01	22.0620978740446
2014-04-01	21.5949655024746
2014-07-01	21.7306857726648
2014-10-01	21.7602481909347
2015-01-01	21.4512669726918
2015-04-01	21.4584546403962
2015-07-01	21.5975828517198
2015-10-01	20.8621109814055
2016-01-01	20.8412011461659
2016-04-01	20.5632917111121
2016-07-01	19.8151519677503
2016-10-01	19.9405786620139
2017-01-01	19.6410181417264
2017-04-01	19.1522846254202
2017-07-01	19.3953928862707
2017-10-01	19.7156646916608
2018-01-01	19.0658042211782
2018-04-01	18.6401518174207