Quarter	Percent, Seasonally Adjusted
1986-01-01	48.6624849227072
1986-04-01	49.4378268384180
1986-07-01	49.6775486834956
1986-10-01	48.1172498900677
1987-01-01	47.7808621115152
1987-04-01	46.7042562903194
1987-07-01	47.2347305322741
1987-10-01	46.7989560866107
1988-01-01	47.0910703679453
1988-04-01	45.4321270235769
1988-07-01	44.1632868559914
1988-10-01	43.6198363160786
1989-01-01	42.0568755503280
1989-04-01	42.3875348535491
1989-07-01	41.6693499061396
1989-10-01	41.1576532869258
1990-01-01	41.5984893731416
1990-04-01	41.9685245721220
1990-07-01	41.7712315952994
1990-10-01	41.0919626988905
1991-01-01	41.1468970475069
1991-04-01	41.6141283057277
1991-07-01	41.5198099777023
1991-10-01	41.6884205860988
1992-01-01	41.5236372260340
1992-04-01	41.2719915931960
1992-07-01	41.3986725807413
1992-10-01	41.7598695671374
1993-01-01	42.7590115272078
1993-04-01	44.6157163726993
1993-07-01	45.1613464645998
1993-10-01	45.1971158676197
1994-01-01	45.5569600760175
1994-04-01	46.6478888450976
1994-07-01	47.1577615625103
1994-10-01	49.0263752845373
1995-01-01	49.2569458845012
1995-04-01	49.7520642862490
1995-07-01	50.3249557172148
1995-10-01	51.3777991909803
1996-01-01	52.8051769737531
1996-04-01	53.8656549150796
1996-07-01	53.6968674201300
1996-10-01	54.0152457954460
1997-01-01	54.4454814820669
1997-04-01	54.3610074249894
1997-07-01	54.5715328198482
1997-10-01	53.8678720188992
1998-01-01	54.5304925579998
1998-04-01	55.4064217969048
1998-07-01	55.5123571004720
1998-10-01	56.0276431150803
1999-01-01	56.9290178243521
1999-04-01	57.1613526864716
1999-07-01	56.2732847111249
1999-10-01	55.8150072646930
2000-01-01	54.9011817136530
2000-04-01	55.8239779986221
2000-07-01	57.8274655084681
2000-10-01	58.8145999618552
2001-01-01	59.3563638833571
2001-04-01	59.5844680428709
2001-07-01	60.7212523513340
2001-10-01	61.6692529957541
2002-01-01	61.7763488720065
2002-04-01	63.8131293200558
2002-07-01	63.8014372782738
2002-10-01	63.4834654111849
2003-01-01	62.9168556223949
2003-04-01	64.3102900825316
2003-07-01	64.6222685107048
2003-10-01	65.4727507496512
2004-01-01	64.7367201352601
2004-04-01	67.0467881384322
2004-07-01	67.8312797368010
2004-10-01	68.6094030335895
2005-01-01	69.0330013634671
2005-04-01	68.5213018409698
2005-07-01	69.8767780774091
2005-10-01	70.6198039758620
2006-01-01	69.6523146561130
2006-04-01	70.9201180125324
2006-07-01	69.4624416734340
2006-10-01	70.0324816299831
2007-01-01	71.5122735952191
2007-04-01	72.3488074723398
2007-07-01	71.5377556041941
2007-10-01	71.7880119902454
2008-01-01	71.5892350329938
2008-04-01	71.8494363157464
2008-07-01	71.4605789734507
2008-10-01	71.6588169547640
2009-01-01	71.5559944570276
2009-04-01	72.0529256726650
2009-07-01	71.7751620006772
2009-10-01	72.6181223627516
2010-01-01	72.6192768041074
2010-04-01	73.4345989698219
2010-07-01	73.3710959129585
2010-10-01	73.2940661520410
2011-01-01	73.3665834443977
2011-04-01	73.1233927770088
2011-07-01	73.8053153594715
2011-10-01	74.2287491315178
2012-01-01	74.3147117326473
2012-04-01	74.2249102229019
2012-07-01	73.8956497944051
2012-10-01	72.8699322692459
2013-01-01	73.4584835259298
2013-04-01	74.8431556057488
2013-07-01	74.3193258627216
2013-10-01	74.7741070010879
2014-01-01	75.9831331573871
2014-04-01	75.9684316260341
2014-07-01	75.9569315420930
2014-10-01	76.8421902306512
2015-01-01	75.7516031838984
2015-04-01	75.6490274681045
2015-07-01	74.3983463003853
2015-10-01	75.1453800819004
2016-01-01	75.0077815075960
2016-04-01	76.7782151894516
2016-07-01	76.0947524041752
2016-10-01	76.5053704153992
2017-01-01	77.9933267170392
2017-04-01	77.7641980799330
2017-07-01	78.3186536302064
2017-10-01	78.7662105505187
2018-01-01	78.1640678742221
2018-04-01	78.5239767343962
2018-07-01	78.4708185620322