Quarter	Percent, Seasonally Adjusted
1986-01-01	69.0969899665552
1986-04-01	66.6220735785953
1986-07-01	66.5995975855131
1986-10-01	66.6218938885158
1987-01-01	67.9676985195155
1987-04-01	68.7584345479082
1987-07-01	68.4032476319350
1987-10-01	67.4339878131347
1988-01-01	67.0963364993216
1988-04-01	67.1875000000000
1988-07-01	67.5289312457454
1988-10-01	67.8254942058623
1989-01-01	69.1045796308954
1989-04-01	68.5147159479808
1989-07-01	69.6159122085048
1989-10-01	70.7417582417582
1990-01-01	70.3856749311295
1990-04-01	68.5338865836791
1990-07-01	69.0443213296399
1990-10-01	69.3693693693694
1991-01-01	69.5561719833564
1991-04-01	68.3553088133241
1991-07-01	68.5634975711312
1991-10-01	68.3553088133241
1992-01-01	68.0555555555556
1992-04-01	67.7307425399028
1992-07-01	67.2676837725381
1992-10-01	66.6897506925208
1993-01-01	66.2975778546713
1993-04-01	65.1211072664360
1993-07-01	64.1574585635359
1993-10-01	65.0344827586207
1994-01-01	64.4872677219546
1994-04-01	64.2170329670330
1994-07-01	63.7422892392049
1994-10-01	61.1869031377899
1995-01-01	61.8626784500340
1995-04-01	61.1261872455902
1995-07-01	61.7666891436278
1995-10-01	59.5445411922304
1996-01-01	59.0273151232512
1996-04-01	56.3286944996687
1996-07-01	56.4186965108624
1996-10-01	56.8537859007833
1997-01-01	54.4983818770226
1997-04-01	56.1978163134232
1997-07-01	55.2362707535121
1997-10-01	56.7258883248731
1998-01-01	55.5205047318612
1998-04-01	54.2085427135678
1998-07-01	53.3374922021210
1998-10-01	52.3514851485149
1999-01-01	50.9815950920245
1999-04-01	50.8836075563681
1999-07-01	51.9056261343013
1999-10-01	53.6014405762305
2000-01-01	54.7023809523810
2000-04-01	53.5377358490566
2000-07-01	50.3210741389375
2000-10-01	50.4046242774566
2001-01-01	49.8854524627720
2001-04-01	49.5449374288965
2001-07-01	46.8732394366197
2001-10-01	46.9183786785119
2002-01-01	48.2494529540481
2002-04-01	45.3268503511615
2002-07-01	45.1388888888889
2002-10-01	45.4976303317536
2003-01-01	44.0166493236212
2003-04-01	41.7395779722079
2003-07-01	42.3841059602649
2003-10-01	41.0075566750630
2004-01-01	41.9740777666999
2004-04-01	40.2962962962963
2004-07-01	39.2070484581498
2004-10-01	39.7672162948594
2005-01-01	38.4245917387128
2005-04-01	39.0290337934317
2005-07-01	36.8147448015123
2005-10-01	36.2570356472796
2006-01-01	37.2731503024663
2006-04-01	36.5526802218115
2006-07-01	39.0445567294442
2006-10-01	38.5141294439380
2007-01-01	36.8206521739130
2007-04-01	34.8648648648649
2007-07-01	35.6280733124721
2007-10-01	36.2871067789101
2008-01-01	35.3947368421053
2008-04-01	35.2762070465420
2008-07-01	34.8164146868251
2008-10-01	35.4479211315902
2009-01-01	34.9192863211555
2009-04-01	34.1206242091944
2009-07-01	33.8770388958595
2009-10-01	31.6880962256325
2010-01-01	31.6742081447964
2010-04-01	30.4170073589534
2010-07-01	31.3160032493907
2010-10-01	30.2419354838710
2011-01-01	30.5600000000000
2011-04-01	30.6317044100119
2011-07-01	30.7509881422925
2011-10-01	29.8190401258851
2012-01-01	29.3495297805643
2012-04-01	28.8446526151444
2012-07-01	27.8834951456311
2012-10-01	30.3826826439892
2013-01-01	28.4559106661533
2013-04-01	27.0881226053640
2013-07-01	27.9176201372998
2013-10-01	27.4346343311861
2014-01-01	25.9887005649718
2014-04-01	26.8338323353293
2014-07-01	26.4410561547044
2014-10-01	24.8984115256742
2015-01-01	26.7621145374449
2015-04-01	26.8978102189781
2015-07-01	27.8522274538211
2015-10-01	27.5601868487244
2016-01-01	27.5579322638146
2016-04-01	25.3451327433628
2016-07-01	26.9217269217269
2016-10-01	27.4373259052925
2017-01-01	25.5010366275052
2017-04-01	25.5829903978052
2017-07-01	25.3746594005450
2017-10-01	25.4649983090971
2018-01-01	25.5962378233121
2018-04-01	26.3333333333333
2018-07-01	26.1676051672739