Quarter	Percent, Seasonally Adjusted
1986-01-01	49.3168285067374
1986-04-01	50.1715897068121
1986-07-01	50.4202958688403
1986-10-01	49.0838691453932
1987-01-01	48.7762680990366
1987-04-01	47.5950366912187
1987-07-01	48.1584976405758
1987-10-01	47.6061612805316
1988-01-01	48.0996285691456
1988-04-01	46.6009926982272
1988-07-01	45.5420403761014
1988-10-01	45.2296098778063
1989-01-01	43.7939880041890
1989-04-01	44.1338479694515
1989-07-01	43.2312122874070
1989-10-01	42.9554625707061
1990-01-01	43.3766353838359
1990-04-01	44.0487384672134
1990-07-01	43.8220704931526
1990-10-01	43.4897060502424
1991-01-01	43.4137432487278
1991-04-01	44.0566114498823
1991-07-01	44.0295911494185
1991-10-01	44.0246195956808
1992-01-01	44.3175074614595
1992-04-01	44.2435835019952
1992-07-01	44.3849620291232
1992-10-01	44.9454436494367
1993-01-01	45.4883004764861
1993-04-01	47.2741520860389
1993-07-01	47.8358347974549
1993-10-01	47.8082294337681
1994-01-01	48.3327944869409
1994-04-01	49.0074218898677
1994-07-01	49.3867538401016
1994-10-01	51.2345809740209
1995-01-01	51.1299225827357
1995-04-01	51.4547620328369
1995-07-01	51.9229800185757
1995-10-01	53.1643738992463
1996-01-01	54.6907400733455
1996-04-01	55.8586257001886
1996-07-01	56.0070823410107
1996-10-01	56.0920147639336
1997-01-01	56.9072805413620
1997-04-01	56.9214361482726
1997-07-01	56.6032740341349
1997-10-01	56.0526357262670
1998-01-01	56.9613840484867
1998-04-01	58.0635405115469
1998-07-01	58.5096466510875
1998-10-01	58.8880052194985
1999-01-01	60.4772889248612
1999-04-01	59.7218743709981
1999-07-01	59.8122155037675
1999-10-01	58.3444099763869
2000-01-01	57.9370633035162
2000-04-01	58.6227367091570
2000-07-01	60.7140158218346
2000-10-01	61.4330938382919
2001-01-01	61.6987112781655
2001-04-01	61.7876415516852
2001-07-01	63.3716921966614
2001-10-01	63.5675719186914
2002-01-01	64.1629111528820
2002-04-01	65.8704244507898
2002-07-01	65.7987690368047
2002-10-01	65.6014976764568
2003-01-01	65.5582121606043
2003-04-01	67.0357333515924
2003-07-01	66.6033091505424
2003-10-01	67.7665001563652
2004-01-01	66.9242000528375
2004-04-01	68.7033914140557
2004-07-01	69.4718267142098
2004-10-01	69.8946973687002
2005-01-01	70.3167506126969
2005-04-01	70.0777411550007
2005-07-01	71.2682475515458
2005-10-01	71.7220919711177
2006-01-01	71.6182152713899
2006-04-01	72.4275760834831
2006-07-01	70.9931269111950
2006-10-01	70.9029547851658
2007-01-01	72.7494324819888
2007-04-01	73.4363018439146
2007-07-01	72.5386829027358
2007-10-01	72.7191604402404
2008-01-01	72.9719077859498
2008-04-01	73.0539971186399
2008-07-01	73.1113215334256
2008-10-01	73.2080166475304
2009-01-01	73.7741396574069
2009-04-01	74.2072758587412
2009-07-01	74.1034061084322
2009-10-01	75.1411249925816
2010-01-01	74.8790211447966
2010-04-01	76.0711655111811
2010-07-01	75.9405062303200
2010-10-01	75.7724966848281
2011-01-01	75.6894244144968
2011-04-01	75.5384277139849
2011-07-01	75.8379446532319
2011-10-01	76.6475178270813
2012-01-01	76.9812566961753
2012-04-01	76.9505369821445
2012-07-01	77.0991135895575
2012-10-01	75.8626235038978
2013-01-01	76.5114345212303
2013-04-01	77.6970975748305
2013-07-01	77.0942668099610
2013-10-01	77.2876903611564
2014-01-01	78.6427649673022
2014-04-01	78.3281250387189
2014-07-01	78.0208688839526
2014-10-01	79.0631010516517
2015-01-01	78.5294469321109
2015-04-01	77.9887048861729
2015-07-01	77.2589764783235
2015-10-01	77.4813819364816
2016-01-01	77.5802926191281
2016-04-01	79.3726977333769
2016-07-01	78.7467646452335
2016-10-01	78.5810508786576
2017-01-01	80.4611105316612
2017-04-01	80.0013234175160
2017-07-01	80.6147628176666
2017-10-01	80.8634129179080
2018-01-01	80.3749989543041
2018-04-01	80.4628707791681
2018-07-01	80.1673622560001