Quarter Growth rate same period previous year 1971-01-01 16.826434277414700 1971-04-01 10.912299442838600 1971-07-01 12.121427159417500 1971-10-01 13.657790864002100 1972-01-01 16.389727013211800 1972-04-01 21.854801777089500 1972-07-01 22.754417927586200 1972-10-01 22.457638114020300 1973-01-01 23.789784188622300 1973-04-01 30.311084592226900 1973-07-01 33.717692811949900 1973-10-01 37.583039318521300 1974-01-01 45.672108405545100 1974-04-01 42.525622232992100 1974-07-01 41.493132537752400 1974-10-01 45.790817963626100 1975-01-01 42.664531165632700 1975-04-01 32.391025440435600 1975-07-01 28.238662685451600 1975-10-01 26.315696804296200 1976-01-01 18.848890762636600 1976-04-01 27.669183121317700 1976-07-01 28.303742594726000 1976-10-01 23.396802386362000 1977-01-01 22.303813218278800 1977-04-01 18.829500208585800 1977-07-01 21.055919138002000 1977-10-01 28.670866557998200 1978-01-01 34.887136927637100 1978-04-01 45.607086992016900 1978-07-01 48.715986693717000 1978-10-01 57.990839919829500 1979-01-01 75.674619044167200 1979-04-01 98.261968095540800 1979-07-01 132.631762251318000 1979-10-01 147.277136257377000 1980-01-01 144.929446537236000 1980-04-01 128.031097571726000 1980-07-01 109.936550388517000 1980-10-01 107.609488017733000 1981-01-01 116.803386523339000 1981-04-01 126.393701463256000 1981-07-01 136.332423801784000 1981-10-01 134.721738151574000 1982-01-01 138.431463249532000 1982-04-01 132.254347144301000 1982-07-01 133.395969859087000 1982-10-01 132.463578647871000 1983-01-01 122.368982332479000 1983-04-01 130.109654864371000 1983-07-01 136.795487945831000 1983-10-01 177.817793300492000 1984-01-01 253.309779182720000 1984-04-01 342.965626358129000 1984-07-01 430.045657790741000 1984-10-01 475.964174664100000 1985-01-01 397.351708747021000 1985-04-01 369.256448157235000 1985-07-01 334.427994489241000 1985-10-01 207.447244038102000 1986-01-01 121.149640778462000 1986-04-01 52.671243230332100 1986-07-01 9.943945761649740 1986-10-01 7.051171672703200 1987-01-01 17.296170876695800 1987-04-01 19.499873729623600 1987-07-01 23.061530637161800 1987-10-01 17.990275639437700 1988-01-01 17.845510284865100 1988-04-01 15.421334293624900 1988-07-01 15.389142956100200 1988-10-01 22.169757199523900 1989-01-01 23.125755743559100 1989-04-01 30.493537312498800 1989-07-01 33.851370451806300 1989-10-01 33.264622528452600 1990-01-01 31.377363134620100 1990-04-01 29.806393460617100 1990-07-01 34.304412205901000 1990-10-01 30.761794349439000 1991-01-01 28.312465038979700 1991-04-01 26.968435786970100 1991-07-01 35.806350323903900 1991-10-01 27.266006125895400 1992-01-01 20.958345507327500 1992-04-01 18.057642149649900 1992-07-01 3.657407421862060 1992-10-01 3.834088589593110 1993-01-01 16.905478490960100 1993-04-01 18.083998706284200 1993-07-01 15.151853345571600 1993-10-01 21.461340387167000 1994-01-01 17.986505726310600 1994-04-01 20.996130474949600 1994-07-01 26.346922972507900 1994-10-01 23.476082459938200 1995-01-01 20.382546343177600 1995-04-01 13.778763572055700 1995-07-01 11.297950605045200 1995-10-01 12.209450948707400 1996-01-01 14.349553113241900 1996-04-01 18.518518491785900 1996-07-01 15.769594009851300 1996-10-01 13.544274892918800 1997-01-01 12.114633098335800 1997-04-01 8.717105310235370 1997-07-01 11.827079983375400 1997-10-01 9.943865342527010 1998-01-01 6.777691734023020 1998-04-01 5.124810907343390 1998-07-01 2.315827841214600 1998-10-01 8.442742439639210 1999-01-01 3.325249404257530 1999-04-01 2.319206003233340 1999-07-01 6.009288282868010 1999-10-01 0.463830538314374 2000-01-01 0.165508079314678 2000-04-01 0.364721543274252 2000-07-01 -3.551046322287910 2000-10-01 -3.882575794713660 2001-01-01 1.367261500796250 2001-04-01 2.670630991611000 2001-07-01 5.057692347767760 2001-10-01 5.352873635859040 2002-01-01 10.224274414878100 2002-04-01 14.290364565565500 2002-07-01 10.446343774823000 2002-10-01 9.303058922446500 2003-01-01 3.360303219237490 2003-04-01 -6.137586619657750 2003-07-01 -7.491544853299580 2003-10-01 -6.778072675210370 2004-01-01 -7.428381076345980 2004-04-01 -1.361731824707690 2004-07-01 0.891265579913286 2004-10-01 -1.317663853514100 2005-01-01 -2.770780845660840 2005-04-01 -3.858407097702680 2005-07-01 -0.176678403701125 2005-10-01 3.536629362637940 2006-01-01 6.254626199227370 2006-04-01 4.455080926990800 2006-07-01 -0.353982313057983 2006-10-01 -4.705472266522620 2007-01-01 -5.374805561313210 2007-04-01 -4.604497094007160 2007-07-01 0.839792783416024 2007-10-01 1.940218857964170 2008-01-01 0.448895032975099 2008-04-01 1.767764319245580 2008-07-01 2.115003281287610 2008-10-01 9.424436181026950 2009-01-01 13.837934028993700 2009-04-01 15.143034724357000 2009-07-01 11.474951417803100 2009-10-01 7.422470079886960 2010-01-01 4.753143196909670 2010-04-01 4.656052902240280 2010-07-01 5.689858499909580 2010-10-01 4.274498366122740 2011-01-01 5.999336438986790 2011-04-01 6.017149830746580 2011-07-01 5.287189709142400 2011-10-01 5.486721514016460 2012-01-01 4.598445626889750 2012-04-01 3.873015815897640 2012-07-01 3.510406936324230 2012-10-01 2.851828858092770 2013-01-01 2.813622235878090 2013-04-01 3.001222503504860 2013-07-01 2.856902803153200 2013-10-01 3.257866215330990 2014-01-01 2.838283846173410 2014-04-01 2.439024427833420 2014-07-01 2.110649169271920 2014-10-01 2.655150350793390 2015-01-01 2.499714605540870 2015-04-01 2.090099455979980 2015-07-01 2.465920831921230 2015-10-01 1.974090774305800 2016-01-01 2.463394782159880 2016-04-01 2.327313686626670 2016-07-01 2.003939046963500 2016-10-01 1.787917861320410 2017-01-01 1.683797028339600 2017-04-01 1.551209350492370 2017-07-01 1.516203355191620 2017-10-01 2.164262280246560 2018-01-01 1.915967709395370 2018-04-01 2.430583246758040 2018-07-01 1.798978105537880