Quarter	Percent, Seasonally Adjusted
1999-07-01	25.3483709571160
1999-10-01	26.2925922547808
2000-01-01	28.0086863285645
2000-04-01	29.1827744811133
2000-07-01	28.6196279557699
2000-10-01	28.8841178640258
2001-01-01	29.3799001926370
2001-04-01	27.6633385573709
2001-07-01	27.2925060554636
2001-10-01	27.5727701724563
2002-01-01	26.6903407564298
2002-04-01	26.7784577244018
2002-07-01	25.3495963795230
2002-10-01	25.6029124290760
2003-01-01	27.1052857479084
2003-04-01	27.6574322551905
2003-07-01	27.5809865673930
2003-10-01	26.7835726246016
2004-01-01	25.7830468933289
2004-04-01	26.8506225004012
2004-07-01	26.5987489213833
2004-10-01	25.3900263301572
2005-01-01	25.5267535031858
2005-04-01	24.9522678667466
2005-07-01	25.4967441486885
2005-10-01	25.7525543950404
2006-01-01	25.1224563169054
2006-04-01	24.9741698020091
2006-07-01	25.5224904034119
2006-10-01	24.4640412300942
2007-01-01	23.2887444521364
2007-04-01	23.0016208627134
2007-07-01	22.9092177769971
2007-10-01	23.4161099421739
2008-01-01	23.2576288440606
2008-04-01	23.7496203841719
2008-07-01	23.8211259541591
2008-10-01	24.1335613977359
2009-01-01	23.9089924452817
2009-04-01	24.0249577504035
2009-07-01	23.3529294198652
2009-10-01	22.7711166572293
2010-01-01	22.6523856477056
2010-04-01	22.4092739177166
2010-07-01	22.1918068860177
2010-10-01	22.2298958779463
2011-01-01	21.3540850307412
2011-04-01	20.8175135707261
2011-07-01	21.6366600263013
2011-10-01	20.6389107463966
2012-01-01	21.0251840838762
2012-04-01	20.0275892891457
2012-07-01	20.2908723926336
2012-10-01	20.3879051962817
2013-01-01	20.8765360546380
2013-04-01	19.5879729708034
2013-07-01	18.9341572952742
2013-10-01	18.9747034391823
2014-01-01	18.3050280105985
2014-04-01	17.3974337313410
2014-07-01	18.0906306435348
2014-10-01	17.9102015603222
2015-01-01	17.5839359644526
2015-04-01	18.4215200705521
2015-07-01	18.1633656312949
2015-10-01	18.5888128517075
2016-01-01	18.6543091524893
2016-04-01	19.1844253610415
2016-07-01	17.8924311532865
2016-10-01	17.3691504871643
2017-01-01	16.9587713060934
2017-04-01	17.0970047322124
2017-07-01	17.4043427485537
2017-10-01	17.5657075394492
2018-01-01	17.5536155603955
2018-04-01	17.7668117488858
2018-07-01	17.9729547643201