Quarter	Growth rate same period previous year
1971-01-01	6.35382191819889000
1971-04-01	6.58587617838220000
1971-07-01	8.31886890700489000
1971-10-01	8.06683611666781000
1972-01-01	7.74541339165754000
1972-04-01	7.65119133191783000
1972-07-01	7.50377409720945000
1972-10-01	6.57167044872856000
1973-01-01	7.40614554640940000
1973-04-01	8.83743952601600000
1973-07-01	10.72738192677570000
1973-10-01	13.81813660428560000
1974-01-01	17.76420056452360000
1974-04-01	17.85641772422810000
1974-07-01	17.41567722193940000
1974-10-01	15.58097224250170000
1975-01-01	11.41180676844200000
1975-04-01	9.95942339560042000
1975-07-01	8.96933053355995000
1975-10-01	8.30150972466570000
1976-01-01	8.28041846046769000
1976-04-01	8.96240441010333000
1976-07-01	9.62491339562517000
1976-10-01	9.97012074754796000
1977-01-01	10.09007781144230000
1977-04-01	9.45255709622486000
1977-07-01	8.90433814231302000
1977-10-01	8.31998909226623000
1978-01-01	7.34583565303092000
1978-04-01	6.89309015357484000
1978-07-01	6.49246528847540000
1978-10-01	6.49748839186212000
1979-01-01	6.25650355006693000
1979-04-01	5.23624394513651000
1979-07-01	5.25288289783917000
1979-10-01	5.26376635769998000
1980-01-01	6.10778882190257000
1980-04-01	6.89007433725234000
1980-07-01	7.31073906673673000
1980-10-01	6.89185584628934000
1981-01-01	5.94649378530124000
1981-04-01	4.74171898971715000
1981-07-01	2.54407726551726000
1981-10-01	2.15888118980529000
1982-01-01	1.99934522347706000
1982-04-01	2.54588533795731000
1982-07-01	3.42070776270374000
1982-10-01	3.34161411815823000
1983-01-01	3.34593109711480000
1983-04-01	3.05464712023312000
1983-07-01	3.13633787202424000
1983-10-01	3.34460838703422000
1984-01-01	3.02841602858818000
1984-04-01	2.74236222853875000
1984-07-01	2.79018296401370000
1984-10-01	2.48449283377156000
1985-01-01	2.72132780874219000
1985-04-01	2.82060548640413000
1985-07-01	2.60135701786023000
1985-10-01	2.72407270171870000
1986-01-01	2.39119062571399000
1986-04-01	2.18618335923460000
1986-07-01	2.16020355505748000
1986-10-01	1.94490141377185000
1987-01-01	1.97413049159228000
1987-04-01	2.36972027512817000
1987-07-01	2.67954241771655000
1987-10-01	2.67589021527755000
1988-01-01	2.71479366879412000
1988-04-01	2.37398073893850000
1988-07-01	1.81953056539723000
1988-10-01	2.17094609531199000
1989-01-01	2.22006184083619000
1989-04-01	3.17954735914396000
1989-07-01	3.49902851726456000
1989-10-01	3.40310520219209000
1990-01-01	3.59296110976032000
1990-04-01	2.85554675477311000
1990-07-01	2.88079327998667000
1990-10-01	3.05871397118003000
1991-01-01	3.16605319217468000
1991-04-01	3.13361452857053000
1991-07-01	3.46593621822386000
1991-10-01	3.27445457563653000
1992-01-01	3.06060388291031000
1992-04-01	3.68792094336119000
1992-07-01	3.47946438081897000
1992-10-01	3.54005823235591000
1993-01-01	3.64544312924862000
1993-04-01	2.94737486641430000
1993-07-01	2.71436582001899000
1993-10-01	2.58145291010142000
1994-01-01	2.34206996704715000
1994-04-01	2.19495271107364000
1994-07-01	2.12902405242080000
1994-10-01	1.97484266343503000
1995-01-01	2.49697969796232000
1995-04-01	2.51180211402588000
1995-07-01	2.35799235953463000
1995-10-01	2.26400671427161000
1996-01-01	1.74616961887569000
1996-04-01	1.30549967717227000
1996-07-01	1.05543633226570000
1996-10-01	1.03179324478221000
1997-01-01	0.81029688586455800
1997-04-01	1.38765588158162000
1997-07-01	1.49928417076754000
1997-10-01	1.34972270002021000
1998-01-01	1.32143633235442000
1998-04-01	0.00530477294226410
1998-07-01	-0.50223968025153100
1998-10-01	-0.72976795878380600
1999-01-01	-1.05441782718881000
1999-04-01	-0.49889191421159400
1999-07-01	-0.23375309464698600
1999-10-01	-0.19985078625621300
2000-01-01	-0.26703529732887000
2000-04-01	-0.41110561329561800
2000-07-01	-0.37466708199329300
2000-10-01	-0.25888863976718000
2001-01-01	-0.42516426278255000
2001-04-01	-0.65604321568200900
2001-07-01	-0.76480950018307200
2001-10-01	-0.86246005757746800
2002-01-01	-0.57975339135605700
2002-04-01	-0.52090252107575600
2002-07-01	-0.51922767701778600
2002-10-01	-0.59010374690016000
2003-01-01	-0.65566425713561600
2003-04-01	-0.47480246580744900
2003-07-01	-0.49709575219547600
2003-10-01	-0.42749042681475500
2004-01-01	-0.38793312279417000
2004-04-01	-0.45027837546139400
2004-07-01	-0.45411739319900400
2004-10-01	-0.45455076443216800
2005-01-01	-0.45511310671892000
2005-04-01	-0.35389446866221000
2005-07-01	-0.29630897885430400
2005-10-01	-0.27335564303350500
2006-01-01	-0.11171918218164900
2006-04-01	-0.04764871861361390
2006-07-01	0.06594689172161340
2006-10-01	0.08595535879706850
2007-01-01	0.03668201876447250
2007-04-01	-0.22237878859616000
2007-07-01	-0.26231099068294600
2007-10-01	-0.22202021764148200
2008-01-01	-0.16781366625494400
2008-04-01	0.29820832026754600
2008-07-01	0.45610197606660600
2008-10-01	0.54194557548922200
2009-01-01	0.41892939591172200
2009-04-01	0.09579986392782090
2009-07-01	-0.10461935936668100
2009-10-01	-0.38909246421668600
2010-01-01	-0.56356522318773800
2010-04-01	-0.60565153728967800
2010-07-01	-0.65154992248184400
2010-10-01	-0.62290620567194400
2011-01-01	-0.33275275611108900
2011-04-01	-0.28074609915910100
2011-07-01	-0.27513258155637400
2011-10-01	-0.05836744956687940
2012-01-01	-0.17084006845213900
2012-04-01	-0.19364844609417200
2012-07-01	-0.18514124924598500
2012-10-01	-0.32169185429591800
2013-01-01	-0.34885452614521200
2013-04-01	-0.42574830085041400
2013-07-01	-0.41194602166850300
2013-10-01	-0.26119534271992300
2014-01-01	-0.20710342892304400
2014-04-01	0.78997366402460500
2014-07-01	0.93049691410020200
2014-10-01	1.07814667138554000
2015-01-01	1.29749843729326000
2015-04-01	0.53467914083227900
2015-07-01	0.45537253956657800
2015-10-01	0.46603586860664800
2016-01-01	0.31236522147711100
2016-04-01	0.38190870349205400
2016-07-01	0.34777926326079400
2016-10-01	0.09871031802400240
2017-01-01	0.18122912669181400
2017-04-01	0.02762541365356840
2017-07-01	0.00995381350637524
2017-10-01	0.14523712281238000
2018-01-01	-0.02587850095139270
2018-04-01	0.11834637103510700
2018-07-01	0.11840435769164700