Quarter	Percent, Seasonally Adjusted
1978-04-01	11.64705750000000
1978-07-01	11.96421343333330
1978-10-01	11.97734836666670
1979-01-01	11.99429810000000
1979-04-01	11.94722030000000
1979-07-01	11.52735936666670
1979-10-01	11.42255263333330
1980-01-01	11.27642196666670
1980-04-01	11.73551933333330
1980-07-01	11.37550143333330
1980-10-01	11.03788726666670
1981-01-01	10.51796416666670
1981-04-01	9.41401120000000
1981-07-01	9.86269056666666
1981-10-01	10.82124436666670
1982-01-01	11.13881863333330
1982-04-01	12.35198556666670
1982-07-01	13.51509760000000
1982-10-01	16.32517483333330
1983-01-01	18.80716106666670
1983-04-01	19.96572223333330
1983-07-01	20.24898310000000
1983-10-01	18.95752696666670
1984-01-01	18.12300233333330
1984-04-01	17.93036933333330
1984-07-01	17.21090530000000
1984-10-01	16.93795196666670
1985-01-01	16.76527056666670
1985-04-01	15.86270853333330
1985-07-01	15.34565233333330
1985-10-01	14.34950596666670
1986-01-01	15.26831696666670
1986-04-01	14.61878563333330
1986-07-01	15.52058780000000
1986-10-01	15.68757836666670
1987-01-01	15.48914666666670
1987-04-01	15.00044166666670
1987-07-01	14.89265910000000
1987-10-01	14.83776040000000
1988-01-01	14.22692280000000
1988-04-01	14.47183033333330
1988-07-01	12.65070836666670
1988-10-01	12.15002516666670
1989-01-01	11.49049220000000
1989-04-01	10.25418776666670
1989-07-01	10.26801060000000
1989-10-01	10.50719760000000
1990-01-01	11.43226733333330
1990-04-01	12.28105470000000
1990-07-01	13.90736206666670
1990-10-01	15.59489270000000
1991-01-01	16.98349630000000
1991-04-01	18.95605673333330
1991-07-01	19.04139666666670
1991-10-01	19.54325770000000
1992-01-01	20.41470423333330
1992-04-01	20.72485373333330
1992-07-01	20.90762230000000
1992-10-01	21.40306680000000
1993-01-01	20.13916670000000
1993-04-01	20.01383200000000
1993-07-01	19.83849036666670
1993-10-01	18.93994050000000
1994-01-01	18.54293423333330
1994-04-01	18.32923460000000
1994-07-01	16.91602136666670
1994-10-01	15.95528050000000
1995-01-01	15.19898576666670
1995-04-01	15.56893673333330
1995-07-01	15.67738756666670
1995-10-01	15.90142170000000
1996-01-01	16.46503020000000
1996-04-01	16.25130606666670
1996-07-01	15.94397633333330
1996-10-01	17.12344630000000
1997-01-01	17.31131173333330
1997-04-01	16.91055693333330
1997-07-01	17.40067603333330
1997-10-01	16.20620780000000
1998-01-01	15.45777643333330
1998-04-01	15.60093406666670
1998-07-01	15.95052076666670
1998-10-01	14.41837066666670
1999-01-01	13.82323460000000
1999-04-01	13.74997026666670
1999-07-01	14.04904310000000
1999-10-01	13.41195903333330
2000-01-01	13.10885966666670
2000-04-01	12.68954330000000
2000-07-01	12.49495623333330
2000-10-01	13.35076740000000
2001-01-01	13.83453530000000
2001-04-01	14.93646670000000
2001-07-01	14.60453096666670
2001-10-01	15.27935050000000
2002-01-01	14.29293226666670
2002-04-01	13.98615423333330
2002-07-01	13.62142703333330
2002-10-01	13.26213260000000
2003-01-01	13.11821416666670
2003-04-01	13.33920773333330
2003-07-01	12.62893680000000
2003-10-01	11.41554716666670
2004-01-01	11.86222826666670
2004-04-01	11.86103760000000
2004-07-01	12.22848180000000
2004-10-01	11.58686116666670
2005-01-01	10.85855640000000
2005-04-01	10.78886903333330
2005-07-01	10.82025863333330
2005-10-01	11.12868016666670
2006-01-01	11.39580290000000
2006-04-01	10.70195540000000
2006-07-01	10.48902053333330
2006-10-01	9.55386510000000
2007-01-01	9.61068600000000
2007-04-01	9.02830300000000
2007-07-01	9.37198630000000
2007-10-01	9.91427123333333
2008-01-01	8.79960163333333
2008-04-01	9.09129143333334
2008-07-01	8.47612213333334
2008-10-01	9.73382296666667
2009-01-01	11.93093363333330
2009-04-01	13.02965870000000
2009-07-01	12.91262430000000
2009-10-01	12.25887886666670
2010-01-01	12.23184573333330
2010-04-01	12.31551916666670
2010-07-01	11.61765960000000
2010-10-01	11.59737850000000
2011-01-01	12.01198073333330
2011-04-01	11.70851816666670
2011-07-01	12.26839696666670
2011-10-01	11.79137576666670
2012-01-01	12.12989076666670
2012-04-01	11.98402500000000
2012-07-01	12.80468030000000
2012-10-01	13.03544373333330
2013-01-01	13.18057010000000
2013-04-01	12.67679293333330
2013-07-01	13.33825453333330
2013-10-01	13.04460913333330
2014-01-01	13.04789463333330
2014-04-01	14.09058243333330
2014-07-01	14.70033350000000
2014-10-01	14.52789820000000
2015-01-01	14.72354840000000
2015-04-01	14.52404363333330
2015-07-01	14.13004003333330
2015-10-01	13.55146020000000
2016-01-01	13.61247466666670
2016-04-01	13.42165180000000
2016-07-01	13.82626603333330
2016-10-01	14.42616290000000
2017-01-01	13.93667580000000
2017-04-01	13.50488723333330
2017-07-01	13.71218340000000
2017-10-01	13.44671500000000
2018-01-01	13.51717720000000
2018-04-01	13.14549730000000
2018-07-01	12.47260666666670