Quarter Growth rate same period previous year 1971-01-01 2.08955111108331000000000 1971-04-01 2.06336375956018000000000 1971-07-01 8.83582868791177000000000 1971-10-01 8.59682426541612000000000 1972-01-01 8.55219424389258000000000 1972-04-01 7.34272375884644000000000 1972-07-01 5.61661380387546000000000 1972-10-01 1.93485214748710000000000 1973-01-01 4.21224290871150000000000 1973-04-01 9.88346668512720000000000 1973-07-01 14.94157262474340000000000 1973-10-01 26.91300819277790000000000 1974-01-01 39.63157876677790000000000 1974-04-01 40.18482345344990000000000 1974-07-01 39.48290042973140000000000 1974-10-01 30.88684036843820000000000 1975-01-01 16.36056723496420000000000 1975-04-01 10.15799887448220000000000 1975-07-01 7.11489135426147000000000 1975-10-01 5.96504374491890000000000 1976-01-01 6.11544717169070000000000 1976-04-01 7.28458060061518000000000 1976-07-01 8.56208018934026000000000 1976-10-01 9.19096735720636000000000 1977-01-01 8.59188903329066000000000 1977-04-01 7.83605078778662000000000 1977-07-01 6.90469534597507000000000 1977-10-01 5.98128308215544000000000 1978-01-01 5.21998934996699000000000 1978-04-01 4.39602855521017000000000 1978-07-01 4.11067047755984000000000 1978-10-01 4.01995866024843000000000 1979-01-01 4.45195207510168000000000 1979-04-01 4.62137105809051000000000 1979-07-01 6.21998476468405000000000 1979-10-01 7.76448428171869000000000 1980-01-01 10.48100044495930000000000 1980-04-01 12.07099210123890000000000 1980-07-01 11.73061242267620000000000 1980-10-01 10.49524807755440000000000 1981-01-01 7.46437256814578000000000 1981-04-01 3.91826187963028000000000 1981-07-01 -0.61722198558379900000000 1981-10-01 -1.40384932636265000000000 1982-01-01 -1.60079521525582000000000 1982-04-01 -0.50450093644787700000000 1982-07-01 2.29490161196297000000000 1982-10-01 2.45718085759523000000000 1983-01-01 2.43931096817435000000000 1983-04-01 2.06854298642004000000000 1983-07-01 1.84952171108294000000000 1983-10-01 1.56924101637118000000000 1984-01-01 1.55764471946327000000000 1984-04-01 1.80771580021820000000000 1984-07-01 1.91262127538769000000000 1984-10-01 1.74032564025520000000000 1985-01-01 1.79299314887331000000000 1985-04-01 1.88758775003866000000000 1985-07-01 1.79201103421734000000000 1985-10-01 2.09209266219172000000000 1986-01-01 1.80783121726043000000000 1986-04-01 1.73777314729383000000000 1986-07-01 1.53806906724337000000000 1986-10-01 1.33398742983545000000000 1987-01-01 1.04870227477073000000000 1987-04-01 0.91790838733472000000000 1987-07-01 1.00831326641870000000000 1987-10-01 1.24939485796370000000000 1988-01-01 1.46598702358889000000000 1988-04-01 1.61122666578720000000000 1988-07-01 1.47674674908940000000000 1988-10-01 1.31354555386909000000000 1989-01-01 1.47962537064931000000000 1989-04-01 3.36403080923781000000000 1989-07-01 3.80468283202374000000000 1989-10-01 4.32167711725796000000000 1990-01-01 4.83248236391965000000000 1990-04-01 3.60170164763161000000000 1990-07-01 3.70532725026991000000000 1990-10-01 3.96110811180654000000000 1991-01-01 4.22213010048759000000000 1991-04-01 4.51468755395229000000000 1991-07-01 5.02238017936540000000000 1991-10-01 4.90242459849263000000000 1992-01-01 4.63431672893130000000000 1992-04-01 4.85112219723973000000000 1992-07-01 4.56153417649831000000000 1992-10-01 4.55408454319681000000000 1993-01-01 4.47676475255673000000000 1993-04-01 3.78739428894141000000000 1993-07-01 3.40824058397204000000000 1993-10-01 3.05061226774781000000000 1994-01-01 2.51979885791977000000000 1994-04-01 2.32080151923452000000000 1994-07-01 2.21682676750554000000000 1994-10-01 1.92207074644779000000000 1995-01-01 3.04374585649167000000000 1995-04-01 3.52952085019966000000000 1995-07-01 3.47147501717036000000000 1995-10-01 3.28048119016031000000000 1996-01-01 2.48564013791872000000000 1996-04-01 1.49525168132300000000000 1996-07-01 0.97877827059228600000000 1996-10-01 0.97710888085337100000000 1997-01-01 0.53858492723866400000000 1997-04-01 2.08917181777907000000000 1997-07-01 2.46156623468958000000000 1997-10-01 2.62146057169678000000000 1998-01-01 2.48616535274022000000000 1998-04-01 0.40453414007595400000000 1998-07-01 -0.60584564969526400000000 1998-10-01 -0.95433833049206200000000 1999-01-01 -1.18564002134781000000000 1999-04-01 -1.20345669242207000000000 1999-07-01 -0.70034417572330600000000 1999-10-01 -0.60681156345569600000000 2000-01-01 -0.84745921120640200000000 2000-04-01 -0.68766693909717400000000 2000-07-01 -0.58773630681984600000000 2000-10-01 -0.66025108858656500000000 2001-01-01 -0.59427087452883200000000 2001-04-01 -0.77509140885118800000000 2001-07-01 -0.88769485326858200000000 2001-10-01 -0.97234278387390900000000 2002-01-01 -0.87252182842462800000000 2002-04-01 -0.91481208091698200000000 2002-07-01 -0.91122271219093300000000 2002-10-01 -0.99291734061685200000000 2003-01-01 -1.10855821271935000000000 2003-04-01 -0.84932611022695100000000 2003-07-01 -0.85756754177579500000000 2003-10-01 -0.78002443096931900000000 2004-01-01 -0.63312702702830600000000 2004-04-01 -0.54810744772149700000000 2004-07-01 -0.50911653389672300000000 2004-10-01 -0.51008856868610000000000 2005-01-01 -0.51068125303212200000000 2005-04-01 -0.49863527613874000000000 2005-07-01 -0.35396793511877000000000 2005-10-01 -0.29632023052147600000000 2006-01-01 -0.13938242861920100000000 2006-04-01 -0.07630949154041980000000 2006-07-01 0.06311498592814200000000 2006-10-01 0.26133348038613000000000 2007-01-01 0.29046581812590300000000 2007-04-01 -0.36459142142766100000000 2007-07-01 -0.41597075554365600000000 2007-10-01 -0.36300019370557600000000 2008-01-01 -0.27528671224760700000000 2008-04-01 0.75502799303188400000000 2008-07-01 1.20372266618547000000000 2008-10-01 1.46861881159479000000000 2009-01-01 1.35406622225111000000000 2009-04-01 0.93053221894115600000000 2009-07-01 0.47181144847801600000000 2009-10-01 -0.29130797154252300000000 2010-01-01 -0.58046450185854000000000 2010-04-01 -0.78236931351542400000000 2010-07-01 -0.94476861279622800000000 2010-10-01 -0.92221301272981100000000 2011-01-01 -0.59136813932830300000000 2011-04-01 -0.36000365918191700000000 2011-07-01 -0.24400345147413700000000 2011-10-01 0.35799145641176500000000 2012-01-01 0.33222527649714000000000 2012-04-01 0.27377630287868600000000 2012-07-01 0.24460028461090300000000 2012-10-01 -0.05449008412251850000000 2013-01-01 -0.17452738528180100000000 2013-04-01 -0.47298282740599100000000 2013-07-01 -0.38580599796773100000000 2013-10-01 -0.00000000347551793914791 2014-01-01 0.08741625621144060000000 2014-04-01 2.68949076616213000000000 2014-07-01 2.99417660024337000000000 2014-10-01 3.31023960440534000000000 2015-01-01 3.86615134806093000000000 2015-04-01 1.79326489990204000000000 2015-07-01 1.48956098697983000000000 2015-10-01 1.45924885628931000000000 2016-01-01 0.99895784014872100000000 2016-04-01 1.22231453933297000000000 2016-07-01 1.22163121477339000000000 2016-10-01 0.63901462929594900000000 2017-01-01 0.83157113647739600000000 2017-04-01 0.52396806868557100000000 2017-07-01 0.35799197349833700000000 2017-10-01 0.57874777328859900000000 2018-01-01 0.19266464491218300000000 2018-04-01 0.39092778892123600000000 2018-07-01 0.39135805885945000000000