Quarter	Percent, Seasonally Adjusted
2000-01-01	16.8484413529382
2000-04-01	16.5272365998011
2000-07-01	16.0164260684710
2000-10-01	16.8920334950601
2001-01-01	17.0371209103724
2001-04-01	16.7095452503518
2001-07-01	16.6213819846674
2001-10-01	16.4565034360372
2002-01-01	16.5186103379142
2002-04-01	16.1324448115288
2002-07-01	16.9892836491399
2002-10-01	17.6128160551048
2003-01-01	18.2716087215858
2003-04-01	17.6971008942095
2003-07-01	17.3513255499193
2003-10-01	17.8991967015498
2004-01-01	18.3267968541875
2004-04-01	17.6949556807784
2004-07-01	17.1163175093120
2004-10-01	17.2613399160766
2005-01-01	17.3507331668670
2005-04-01	17.4278195305205
2005-07-01	16.8053256073562
2005-10-01	16.8873591479881
2006-01-01	16.4706075965744
2006-04-01	16.5916870684226
2006-07-01	17.0331902498127
2006-10-01	16.8116433031364
2007-01-01	16.3958968627575
2007-04-01	16.2191154468123
2007-07-01	16.3338343321977
2007-10-01	15.4607553733159
2008-01-01	15.0994948178826
2008-04-01	14.6500546956413
2008-07-01	14.1899433428058
2008-10-01	14.0236397280026
2009-01-01	14.2415182081686
2009-04-01	14.3903157780731
2009-07-01	15.2632217472948
2009-10-01	15.2764798738172
2010-01-01	15.2296579563659
2010-04-01	15.7705637138714
2010-07-01	15.4721485094635
2010-10-01	16.2801230017716
2011-01-01	15.4834409063275
2011-04-01	15.4592280831971
2011-07-01	15.8572650426774
2011-10-01	16.0592145273525
2012-01-01	16.0064007208915
2012-04-01	15.4220391080266
2012-07-01	16.3482193960540
2012-10-01	16.3890163761828
2013-01-01	16.5890018687537
2013-04-01	16.3973810818746
2013-07-01	15.3535178946930
2013-10-01	15.7752624902449
2014-01-01	16.1446479033208
2014-04-01	15.4260972330984
2014-07-01	15.8520792949170
2014-10-01	16.1914380358060
2015-01-01	16.3295707779713
2015-04-01	16.5010873756372
2015-07-01	15.7363970661334
2015-10-01	15.9408306245957
2016-01-01	16.1010858408756
2016-04-01	16.4580107550310
2016-07-01	15.7193847084854
2016-10-01	16.5490906116222
2017-01-01	16.7311122808548
2017-04-01	16.3461187903930
2017-07-01	16.6523697038972
2017-10-01	16.9895654584514
2018-01-01	16.5521155547480
2018-04-01	16.5758208645953