Quarter	Percent, Seasonally Adjusted
1999-01-01	33.9853968163156
1999-04-01	33.0984345398572
1999-07-01	33.9943455836271
1999-10-01	33.7866171888116
2000-01-01	34.2355132797247
2000-04-01	34.1684990592248
2000-07-01	33.0694430414411
2000-10-01	33.1891647274166
2001-01-01	32.8392280563509
2001-04-01	33.1398360081641
2001-07-01	32.5302370073328
2001-10-01	33.2132082743109
2002-01-01	31.7939482126931
2002-04-01	33.1472087020160
2002-07-01	34.7177570436825
2002-10-01	34.7491069385806
2003-01-01	34.1638148065010
2003-04-01	34.2700066930136
2003-07-01	34.9095167991383
2003-10-01	33.0176648728255
2004-01-01	32.1994874670986
2004-04-01	31.7857309132387
2004-07-01	31.1349623260377
2004-10-01	31.2927329408382
2005-01-01	30.9263191433254
2005-04-01	31.9829770739504
2005-07-01	31.2702652030299
2005-10-01	30.2505134535062
2006-01-01	30.9139615036134
2006-04-01	31.1568585748190
2006-07-01	31.1823554807574
2006-10-01	31.5796451207622
2007-01-01	31.0766969421914
2007-04-01	29.9830545125471
2007-07-01	30.2835645258893
2007-10-01	30.7172357595035
2008-01-01	31.1556790001639
2008-04-01	30.9869475213771
2008-07-01	30.1527023006723
2008-10-01	31.5695290449520
2009-01-01	32.2374216566154
2009-04-01	30.9282439444598
2009-07-01	30.6047688502914
2009-10-01	30.5713442925954
2010-01-01	30.4235621814625
2010-04-01	31.2589950504068
2010-07-01	31.0764820630615
2010-10-01	30.7300655855781
2011-01-01	32.2307910920340
2011-04-01	32.2325313488521
2011-07-01	32.4385065099020
2011-10-01	32.6793646295718
2012-01-01	32.9729038374307
2012-04-01	33.6866335341691
2012-07-01	32.9845313953958
2012-10-01	32.0916532563781
2013-01-01	32.6204638759006
2013-04-01	32.6037046001119
2013-07-01	32.6983647328441
2013-10-01	32.8073140167990
2014-01-01	32.5680775236831
2014-04-01	32.2435674369491
2014-07-01	32.6381851428011
2014-10-01	32.0623474587291
2015-01-01	32.2268320579048
2015-04-01	32.1752931167686
2015-07-01	31.9143197919725
2015-10-01	33.2405490107980
2016-01-01	33.9925102735019
2016-04-01	33.6772757763825
2016-07-01	34.1564186324292
2016-10-01	33.2450650795341
2017-01-01	32.0224623674488
2017-04-01	31.8709733819930
2017-07-01	31.6299657619846
2017-10-01	31.5006495668241
2018-01-01	31.0700250723494
2018-04-01	30.3551059679396