Quarter	Percent, Seasonally Adjusted
1998-01-01	36.2936909828043
1998-04-01	35.6084122745587
1998-07-01	35.9748267488278
1998-10-01	35.3845031848334
1999-01-01	34.9531744893132
1999-04-01	34.3896030480951
1999-07-01	33.8302159091224
1999-10-01	33.9545173017642
2000-01-01	34.0110791681338
2000-04-01	33.9760865333603
2000-07-01	33.2097213422035
2000-10-01	32.9373552332580
2001-01-01	32.9434802426772
2001-04-01	31.8719371076208
2001-07-01	30.6510518045164
2001-10-01	30.0225193788391
2002-01-01	29.3622108925180
2002-04-01	29.5513948013620
2002-07-01	29.0161162507536
2002-10-01	28.6861116107195
2003-01-01	27.9200324855425
2003-04-01	27.5266329428017
2003-07-01	27.7971962602895
2003-10-01	27.0782868554859
2004-01-01	26.3977095566736
2004-04-01	26.0776637906877
2004-07-01	24.7869644158273
2004-10-01	24.2112493109496
2005-01-01	23.9043830014761
2005-04-01	22.9320482449865
2005-07-01	22.9124942252361
2005-10-01	23.8050727057377
2006-01-01	23.1293785282413
2006-04-01	23.7222687142054
2006-07-01	24.0346168450927
2006-10-01	23.9606240789828
2007-01-01	24.5097182472186
2007-04-01	24.3281928014979
2007-07-01	23.5891567310751
2007-10-01	23.2381851180080
2008-01-01	23.1672549767194
2008-04-01	23.8781807048926
2008-07-01	23.5184411955594
2008-10-01	23.5307292365072
2009-01-01	22.6903489439903
2009-04-01	22.0358660445642
2009-07-01	21.7169029914370
2009-10-01	20.5117943024702
2010-01-01	20.0596836833489
2010-04-01	20.2848910839282
2010-07-01	21.2162283934438
2010-10-01	20.8193094514631
2011-01-01	20.2250922217774
2011-04-01	19.8406097950376
2011-07-01	20.2651887609490
2011-10-01	18.8092227376285
2012-01-01	20.8915442653383
2012-04-01	21.0474485860603
2012-07-01	21.1230378788336
2012-10-01	20.9473119704189
2013-01-01	21.4522767654165
2013-04-01	21.4253246026877
2013-07-01	20.6948494956992
2013-10-01	20.3719288237731
2014-01-01	20.5399286523860
2014-04-01	20.8483939756032
2014-07-01	21.7134217620990
2014-10-01	23.3551661437930
2015-01-01	23.9639629047118
2015-04-01	23.8626879478809
2015-07-01	23.2649151224292
2015-10-01	22.5291941061832
2016-01-01	22.7445934216482
2016-04-01	23.3106646191338
2016-07-01	23.1363799691390
2016-10-01	23.6820914460614
2017-01-01	24.4931917395196
2017-04-01	23.5918030422681
2017-07-01	24.6375262212307
2017-10-01	24.2884512290808
2018-01-01	23.8190619128650
2018-04-01	24.3092175359484