Quarter	Percent, Seasonally Adjusted
1999-01-01	34.3876715183802
1999-04-01	34.5036396826753
1999-07-01	34.6947692574628
1999-10-01	34.8422340583592
2000-01-01	34.2651266209191
2000-04-01	34.1393652739000
2000-07-01	34.1558077011908
2000-10-01	35.0572460055815
2001-01-01	34.9687808602544
2001-04-01	34.9777673758696
2001-07-01	34.3792048787818
2001-10-01	35.1795262360715
2002-01-01	35.0126179299671
2002-04-01	35.0620500071215
2002-07-01	34.8723905690192
2002-10-01	34.5100163358251
2003-01-01	35.8652393522063
2003-04-01	35.0177753578084
2003-07-01	35.1030818273135
2003-10-01	34.4203374841149
2004-01-01	34.4218926003920
2004-04-01	34.7685969932038
2004-07-01	34.4745486591830
2004-10-01	34.7523474240158
2005-01-01	33.8451498032121
2005-04-01	34.3748547725943
2005-07-01	33.6424211905508
2005-10-01	34.0457091548727
2006-01-01	34.4954038094970
2006-04-01	34.4707361144921
2006-07-01	34.9069874371893
2006-10-01	33.3725509460492
2007-01-01	33.2818563469748
2007-04-01	33.9261852844646
2007-07-01	34.0670978668610
2007-10-01	34.2015397143273
2008-01-01	33.7052905475440
2008-04-01	34.3430774500722
2008-07-01	33.6286643704670
2008-10-01	34.4676922005139
2009-01-01	34.1378703112182
2009-04-01	34.7352894094098
2009-07-01	34.6702879335336
2009-10-01	34.2243463906807
2010-01-01	34.1438057911838
2010-04-01	33.7252693066548
2010-07-01	33.8237502139543
2010-10-01	34.1405249909121
2011-01-01	35.3109253043220
2011-04-01	34.6244607985294
2011-07-01	35.4142368848899
2011-10-01	34.9555716973145
2012-01-01	35.0839543853975
2012-04-01	34.9425823746999
2012-07-01	35.0844967058116
2012-10-01	35.0588846091780
2013-01-01	35.1380480315275
2013-04-01	34.2820164154405
2013-07-01	35.1355858162334
2013-10-01	35.3989360541254
2014-01-01	35.0870531762480
2014-04-01	35.2701150009107
2014-07-01	35.6434425590038
2014-10-01	35.3772164994814
2015-01-01	35.1547356021109
2015-04-01	35.6739919488442
2015-07-01	35.8226940003921
2015-10-01	36.2629413637527
2016-01-01	36.1275015259727
2016-04-01	35.6793789747093
2016-07-01	35.9353473256588
2016-10-01	35.7026459470038
2017-01-01	35.8278080181145
2017-04-01	35.8453502856225
2017-07-01	35.4213537882709
2017-10-01	35.4986418338752
2018-01-01	35.7473308105748
2018-04-01	35.8362884465815