Quarter	Percent, Seasonally Adjusted
1999-01-01	33.1110950227427
1999-04-01	33.6004990738049
1999-07-01	34.0703805093372
1999-10-01	35.3437970110183
2000-01-01	32.2515314985279
2000-04-01	31.8592563074617
2000-07-01	33.4834990119703
2000-10-01	33.4483892055804
2001-01-01	31.9669176535826
2001-04-01	30.9026993106496
2001-07-01	30.1770695799964
2001-10-01	29.0640142591924
2002-01-01	32.5625994513995
2002-04-01	31.7012018222936
2002-07-01	28.7328193208987
2002-10-01	29.1968570065072
2003-01-01	29.5528373787175
2003-04-01	29.1330182071042
2003-07-01	26.1906661356455
2003-10-01	31.5503406561081
2004-01-01	33.5681729212971
2004-04-01	34.3597466754354
2004-07-01	33.9010352467519
2004-10-01	33.5205570457265
2005-01-01	35.4622746099970
2005-04-01	32.3174808269808
2005-07-01	33.7511510917685
2005-10-01	34.6289563325330
2006-01-01	34.3792953453540
2006-04-01	35.8844457087799
2006-07-01	35.4729977156730
2006-10-01	34.1736610957548
2007-01-01	36.9605986716328
2007-04-01	37.9057971162468
2007-07-01	39.1177040403837
2007-10-01	36.4804257192113
2008-01-01	36.8411574267374
2008-04-01	37.9457393902345
2008-07-01	41.0264116228675
2008-10-01	37.8574493721126
2009-01-01	33.7312413113446
2009-04-01	35.3826846893212
2009-07-01	37.5598849977024
2009-10-01	34.6106524309773
2010-01-01	35.9410154753137
2010-04-01	33.3731858394581
2010-07-01	32.7140460141788
2010-10-01	34.1867800820160
2011-01-01	30.9639577796169
2011-04-01	31.4777561080185
2011-07-01	31.1076993353547
2011-10-01	32.6247436582714
2012-01-01	30.2238474232552
2012-04-01	26.1583096042710
2012-07-01	25.8403760055205
2012-10-01	26.9599029763709
2013-01-01	26.7918641470461
2013-04-01	26.1040649291111
2013-07-01	27.2797410854555
2013-10-01	25.9010063028146
2014-01-01	25.1783770752758
2014-04-01	27.0920053175326
2014-07-01	26.3421908708419
2014-10-01	28.6571852113260
2015-01-01	28.3351030855775
2015-04-01	30.3443897797133
2015-07-01	30.2488794378427
2015-10-01	29.4777308882410
2016-01-01	27.9916518459939
2016-04-01	28.2167428611604
2016-07-01	28.3430744312576
2016-10-01	29.8570571862273
2017-01-01	34.1609445990249
2017-04-01	34.8027774273753
2017-07-01	35.7879879136615
2017-10-01	34.1602793299582
2018-01-01	36.3998709212764
2018-04-01	37.5156558398808