Quarter	Percent, Seasonally Adjusted
1998-01-01	33.3781170336782
1998-04-01	33.4872235831045
1998-07-01	33.9652833724028
1998-10-01	34.7411320825660
1999-01-01	34.2123866352569
1999-04-01	34.2736105069786
1999-07-01	33.7293637477972
1999-10-01	33.6245348460418
2000-01-01	33.9953243315573
2000-04-01	34.3980554136466
2000-07-01	34.7358485878650
2000-10-01	34.0063415759847
2001-01-01	33.4901078711642
2001-04-01	32.7301341096975
2001-07-01	32.3224864902137
2001-10-01	31.9508504126635
2002-01-01	31.6184961230915
2002-04-01	31.2393852915461
2002-07-01	30.7732320426705
2002-10-01	30.3239052622761
2003-01-01	30.3831460224661
2003-04-01	30.4881299873511
2003-07-01	30.5440607790549
2003-10-01	28.0394378708496
2004-01-01	32.1273399510022
2004-04-01	32.6307269798254
2004-07-01	31.8623005410158
2004-10-01	30.4532364690388
2005-01-01	29.4357339533420
2005-04-01	28.5787922335823
2005-07-01	28.5078182572970
2005-10-01	28.4098424889092
2006-01-01	28.6443839362120
2006-04-01	26.6390334531026
2006-07-01	26.0114912569263
2006-10-01	26.1553823209546
2007-01-01	24.9124442908479
2007-04-01	25.3816801511474
2007-07-01	25.8946630318772
2007-10-01	25.5409125994319
2008-01-01	25.9276668402283
2008-04-01	26.0664480159126
2008-07-01	25.5439342364016
2008-10-01	24.5673847048083
2009-01-01	24.4814370069906
2009-04-01	23.9807820207250
2009-07-01	23.2064449621162
2009-10-01	23.0127301446066
2010-01-01	23.1992492650551
2010-04-01	23.4210517273048
2010-07-01	22.7167030176099
2010-10-01	23.1494897080857
2011-01-01	22.6912995803581
2011-04-01	22.5111273939950
2011-07-01	22.4940331046766
2011-10-01	23.4733615045707
2012-01-01	24.0953860717619
2012-04-01	23.8296527410670
2012-07-01	24.0783285735279
2012-10-01	23.9773286519055
2013-01-01	23.6956864887220
2013-04-01	23.0588452338850
2013-07-01	23.2965798914739
2013-10-01	23.5575008106070
2014-01-01	23.3059329284324
2014-04-01	23.1772907445555
2014-07-01	23.1843157421257
2014-10-01	22.6653184474741
2015-01-01	22.1606447165941
2015-04-01	21.7558581910411
2015-07-01	21.2242247912026
2015-10-01	21.5719596751498
2016-01-01	22.1872445000524
2016-04-01	22.9746359477695
2016-07-01	23.0456311985580
2016-10-01	22.8079974269748
2017-01-01	22.1538247851499
2017-04-01	22.1430093323297
2017-07-01	22.3448247843151
2017-10-01	21.8269155809561
2018-01-01	22.0119760971613
2018-04-01	21.8078366171210
