Quarter	Percent, Seasonally Adjusted
1990-01-01	17.5810067416772
1990-04-01	19.6080900403040
1990-07-01	18.3460297281404
1990-10-01	15.0681218115731
1991-01-01	17.2276999877106
1991-04-01	19.8666809199486
1991-07-01	18.0643141147662
1991-10-01	18.4616138785573
1992-01-01	16.5554943048309
1992-04-01	14.0642065593732
1992-07-01	17.1291287514205
1992-10-01	18.8787293668790
1993-01-01	16.5995578630694
1993-04-01	14.7549384660394
1993-07-01	15.3127209879259
1993-10-01	15.5099392605246
1994-01-01	15.9208331204981
1994-04-01	16.3693559480893
1994-07-01	15.1111167766196
1994-10-01	12.4886392802739
1995-01-01	13.6642130577131
1995-04-01	13.6679101138162
1995-07-01	14.2368953306117
1995-10-01	15.0136191288858
1996-01-01	13.8610119736663
1996-04-01	12.5860461124885
1996-07-01	14.4796590563852
1996-10-01	12.9821916409276
1997-01-01	13.3985604198263
1997-04-01	15.6033792660227
1997-07-01	14.2513840652491
1997-10-01	17.2931522036950
1998-01-01	16.6174584815867
1998-04-01	21.6088143871891
1998-07-01	21.9279540310772
1998-10-01	20.2560627565554
1999-01-01	23.4454855735628
1999-04-01	21.4747741825052
1999-07-01	21.2705517080426
1999-10-01	22.7302550988172
2000-01-01	26.5375538351882
2000-04-01	18.3688890595421
2000-07-01	21.4275792510398
2000-10-01	21.5692053735315
2001-01-01	22.2387667043026
2001-04-01	21.6870832938522
2001-07-01	21.1676535225028
2001-10-01	20.7137688274765
2002-01-01	20.6372496163203
2002-04-01	22.1623532168175
2002-07-01	21.1132668268349
2002-10-01	21.9885319388997
2003-01-01	21.5373174426456
2003-04-01	22.1536384735949
2003-07-01	22.2806068405266
2003-10-01	20.5697882214068
2004-01-01	24.1377474920883
2004-04-01	26.7037530459578
2004-07-01	26.5637761455008
2004-10-01	29.9278526349878
2005-01-01	27.2947076988014
2005-04-01	27.1058681439387
2005-07-01	29.1261210307111
2005-10-01	29.3654628165593
2006-01-01	31.0933043424694
2006-04-01	30.1222336131910
2006-07-01	29.2365036264203
2006-10-01	29.5756980214488
2007-01-01	31.6462391041746
2007-04-01	29.5558563362617
2007-07-01	29.6685081795938
2007-10-01	28.2374073532953
2008-01-01	27.4698943383701
2008-04-01	25.1927640706183
2008-07-01	29.1644966311872
2008-10-01	32.8269341802200
2009-01-01	31.8641072230327
2009-04-01	30.0986165449995
2009-07-01	26.1901647915275
2009-10-01	26.6458797978682
2010-01-01	28.4843899480405
2010-04-01	26.4239970902323
2010-07-01	30.1400925651452
2010-10-01	28.4820829998851
2011-01-01	26.9362553196134
2011-04-01	26.7790425899837
2011-07-01	25.1449095389394
2011-10-01	28.0460995650704
2012-01-01	27.0878813962039
2012-04-01	28.1367995994328
2012-07-01	27.9375707476521
2012-10-01	27.5136584466840
2013-01-01	26.3417182326067
2013-04-01	28.4794471200053
2013-07-01	26.9768812748682
2013-10-01	26.8429332456570
2014-01-01	27.7865846358541
2014-04-01	27.6269348936133
2014-07-01	27.3702329975412
2014-10-01	27.9137890650387
2015-01-01	30.4675033820740
2015-04-01	30.5663839918801
2015-07-01	30.7069574171002
2015-10-01	30.6006689889513
2016-01-01	31.3053085497920
2016-04-01	31.9346994315028
2016-07-01	32.2899316987911
2016-10-01	32.0014432160633
2017-01-01	29.7766433872675
2017-04-01	33.2520394502757
2017-07-01	32.8233365913587
2017-10-01	32.9053731695026
2018-01-01	32.8301235279846
2018-04-01	31.3669099797648