Quarter	Percent, Seasonally Adjusted
1979-01-01	7.19022671325559
1979-04-01	7.20703182092826
1979-07-01	7.18875504315266
1979-10-01	7.31398642266348
1980-01-01	7.36406504584181
1980-04-01	7.50972849603770
1980-07-01	7.93764817928968
1980-10-01	8.58855827883080
1981-01-01	8.84183688144079
1981-04-01	9.34487370703864
1981-07-01	9.69752833478304
1981-10-01	9.88242774340419
1982-01-01	10.53145992034530
1982-04-01	10.93084546681840
1982-07-01	11.08614286431380
1982-10-01	11.41821841518920
1983-01-01	11.86143717632080
1983-04-01	12.18837405760400
1983-07-01	12.23902288808470
1983-10-01	12.21116587799040
1984-01-01	12.26068347397510
1984-04-01	12.36488228082330
1984-07-01	12.17895921926040
1984-10-01	12.06214169260790
1985-01-01	14.11479344502520
1985-04-01	13.09778548057850
1985-07-01	13.03175265934090
1985-10-01	12.75566841505550
1986-01-01	12.37833293449530
1986-04-01	12.14274336953390
1986-07-01	12.15714716138920
1986-10-01	12.35510986791490
1987-01-01	12.14420511972700
1987-04-01	12.03108694221590
1987-07-01	11.80173503943540
1987-10-01	11.62297289862160
1988-01-01	11.28485381171950
1988-04-01	11.01493558128830
1988-07-01	10.82714426887580
1988-10-01	10.50639967144960
1989-01-01	10.46536028091580
1989-04-01	10.20730627057330
1989-07-01	10.12095048261170
1989-10-01	9.90638296589922
1990-01-01	9.65564426600196
1990-04-01	9.57880782584508
1990-07-01	9.73600421790958
1990-10-01	9.86287702357671
1991-01-01	10.06143531608880
1991-04-01	10.19424884788080
1991-07-01	10.41824110476510
1991-10-01	10.62607473126540
1992-01-01	10.76744646370700
1992-04-01	11.06548061607310
1992-07-01	11.33207481137770
1992-10-01	11.76833144217550
1993-01-01	12.28131617350780
1993-04-01	12.79938725419990
1993-07-01	13.26093790295260
1993-10-01	13.59169200267310
1994-01-01	13.80656075221610
1994-04-01	13.98529336243990
1994-07-01	13.89696109028530
1994-10-01	13.87785146172540
1995-01-01	13.96477477243480
1995-04-01	14.02508780628330
1995-07-01	14.09816267270820
1995-10-01	14.27864141524030
1996-01-01	14.38155889177040
1996-04-01	13.85853905810460
1996-07-01	13.60888563998720
1996-10-01	13.45101641013780
1997-01-01	13.41568592652410
1997-04-01	13.42695436471160
1997-07-01	13.22506201222760
1997-10-01	13.09896436320330
1998-01-01	12.90669340739920
1998-04-01	12.67774064819480
1998-07-01	12.51676109707160
1998-10-01	12.16547151400100
1999-01-01	12.06586012805340
1999-04-01	11.78567517136870
1999-07-01	11.59016266122320
1999-10-01	11.35830203935470
2000-01-01	11.09043601642200
2000-04-01	10.90755558578390
2000-07-01	10.84694803452530
2000-10-01	10.68839369660210
2001-01-01	10.60502362587680
2001-04-01	10.65781117595630
2001-07-01	10.80344317577690
2001-10-01	10.90038868905680
2002-01-01	10.96460061153330
2002-04-01	11.07953367095720
2002-07-01	11.27583793036120
2002-10-01	11.61336112048170
2003-01-01	11.92430866150130
2003-04-01	12.19766761536330
2003-07-01	12.47153885431850
2003-10-01	12.60648486881680
2004-01-01	12.94029962892270
2004-04-01	13.01526954273480
2004-07-01	12.38731688066500
2004-10-01	12.82378061434430
2005-01-01	12.84665273341440
2005-04-01	12.87316129111090
2005-07-01	12.77594301783240
2005-10-01	12.87090962430900
2006-01-01	12.54223711135090
2006-04-01	12.59333744583260
2006-07-01	12.34652610911420
2006-10-01	11.91789933370240
2007-01-01	11.60603342309110
2007-04-01	11.23530882781620
2007-07-01	11.06970993916770
2007-10-01	10.85561447659170
2008-01-01	10.65803588244140
2008-04-01	10.50826113111400
2008-07-01	10.54068063962760
2008-10-01	10.69302234681690
2009-01-01	11.20498984710270
2009-04-01	11.67159437928240
2009-07-01	11.77465534648320
2009-10-01	11.98209376046500
2010-01-01	12.03244985922810
2010-04-01	11.95727076691080
2010-07-01	11.95972553961440
2010-10-01	11.68388716757990
2011-01-01	11.46956615559740
2011-04-01	11.20242766355810
2011-07-01	11.02702732298440
2011-10-01	11.00097885786010
2012-01-01	11.03361348059630
2012-04-01	11.11010442303240
2012-07-01	11.20812385143370
2012-10-01	11.31482491160420
2013-01-01	11.36632140116490
2013-04-01	11.50117815636290
2013-07-01	11.66625377070780
2013-10-01	11.76624667176440
2014-01-01	11.83608581341990
2014-04-01	11.84390810975920
2014-07-01	11.82178475072340
2014-10-01	11.76488799276410
2015-01-01	11.68516651138950
2015-04-01	11.48112659459780
2015-07-01	11.26461151019410
2015-10-01	11.13576205048530
2016-01-01	10.99658096096510
2016-04-01	10.91761263327120
2016-07-01	10.71001165224180
2016-10-01	10.64246142018850
2017-01-01	10.50890437763310
2017-04-01	10.37931148732050
2017-07-01	10.13626000338980
2017-10-01	9.94219079832318
2018-01-01	9.76080127377491
2018-04-01	9.57785174070109
2018-07-01	9.58910523762511