Quarter	Growth rate same period previous year
1977-01-01	3.076923076923080
1977-04-01	4.500330906684280
1977-07-01	4.185742315238710
1977-10-01	4.862023653088060
1978-01-01	5.256327060350430
1978-04-01	5.319822672577610
1978-07-01	6.089139987445080
1978-10-01	7.456140350877160
1979-01-01	7.768187422934650
1979-04-01	7.396271797955500
1979-07-01	8.757396449704140
1979-10-01	12.594752186588900
1980-01-01	16.475972540045800
1980-04-01	18.812989921612500
1980-07-01	19.314472252448300
1980-10-01	17.918177110305500
1981-01-01	22.053045186640500
1981-04-01	28.416588124410900
1981-07-01	38.896488828089300
1981-10-01	56.697408871321900
1982-01-01	76.418511066398400
1982-04-01	86.275229357798200
1982-07-01	103.709783322390000
1982-10-01	90.975336322870000
1983-01-01	64.210766423357600
1983-04-01	48.266351457840800
1983-07-01	20.547945205479500
1983-10-01	11.652480187848500
1984-01-01	9.501319627726080
1984-04-01	8.636726016476230
1984-07-01	12.901069518716600
1984-10-01	16.600946372239800
1985-01-01	18.711150577191400
1985-04-01	15.618884540117400
1985-07-01	14.695085849615200
1985-10-01	11.644684928418400
1986-01-01	8.174823680273560
1986-04-01	10.155506188511600
1986-07-01	14.113153004336200
1986-10-01	14.650646203554100
1987-01-01	17.860318087523500
1987-04-01	19.370018246422800
1987-07-01	14.457613317651300
1987-10-01	15.948921180096900
1988-01-01	18.154387729444300
1988-04-01	19.300080450522900
1988-07-01	21.176191605406700
1988-10-01	24.365790672945500
1989-01-01	20.933531957154000
1989-04-01	16.791422213230800
1989-07-01	16.568819308545300
1989-10-01	12.385489190179600
1990-01-01	13.121773815110300
1990-04-01	17.010219989606800
1990-07-01	20.738668158925600
1990-10-01	24.807086186284100
1991-01-01	28.457350272232300
1991-04-01	30.357759684184600
1991-07-01	29.435483870967800
1991-10-01	26.777550398397700
1992-01-01	26.460259153110200
1992-04-01	24.014838929477200
1992-07-01	19.919790883374500
1992-10-01	17.587663564240800
1993-01-01	11.414708886619000
1993-04-01	9.233539879735050
1993-07-01	9.468498059122110
1993-10-01	9.115602546877750
1994-01-01	10.351249140499700
1994-04-01	11.649807187168200
1994-07-01	13.853959248247500
1994-10-01	18.003693889022700
1995-01-01	23.823246878001900
1995-04-01	22.607933925666400
1995-07-01	22.527551509343600
1995-10-01	23.774526482930700
1996-01-01	18.671503155599300
1996-04-01	19.090389483138700
1996-07-01	18.196038558551500
1996-10-01	14.439394494740300
1997-01-01	14.686031308526800
1997-04-01	14.489201234144600
1997-07-01	12.895167827424800
1997-10-01	11.128192809672500
1998-01-01	10.956709289785800
1998-04-01	10.671776982618000
1998-07-01	12.373248930308900
1998-10-01	12.563045796466600
1999-01-01	11.840826414151200
1999-04-01	10.193314484382000
1999-07-01	8.417223033590660
1999-10-01	9.847398607128250
2000-01-01	11.010552451893200
2000-04-01	10.848801807110600
2000-07-01	11.618536737909400
2000-10-01	10.388793063260400
2001-01-01	9.986691866381860
2001-04-01	12.576833198586800
2001-07-01	11.466224152236500
2001-10-01	10.988407694419200
2002-01-01	9.803861757618260
2002-04-01	7.812177198004900
2002-07-01	9.174045860562220
2002-10-01	9.871963168007890
2003-01-01	9.386893352223820
2003-04-01	10.221735559813900
2003-07-01	8.832592487647650
2003-10-01	9.373701343676440
2004-01-01	11.303839902478600
2004-04-01	11.542155109609900
2004-07-01	13.090986014042900
2004-10-01	13.243780228130800
2005-01-01	13.407260364615400
2005-04-01	13.960099158341600
2005-07-01	13.732472895488500
2005-10-01	14.067327452433200
2006-01-01	12.788631135612200
2006-04-01	11.973844460509500
2006-07-01	11.624611764408200
2006-10-01	9.644150575719890
2007-01-01	9.010096445432800
2007-04-01	9.220720301521530
2007-07-01	8.915699519448720
2007-10-01	10.250104792510800
2008-01-01	10.999230899302300
2008-04-01	11.892044456041900
2008-07-01	15.116260919785500
2008-10-01	15.489823334093700
2009-01-01	12.854306718559600
2009-04-01	9.803342978982640
2009-07-01	5.806101694915230
2009-10-01	3.535231607270620
2010-01-01	5.595373910317250
2010-04-01	6.033548610810110
2010-07-01	5.295690656824560
2010-10-01	5.729729729729730
2011-01-01	4.663428232111640
2011-04-01	4.901688263908750
2011-07-01	5.206638728077480
2011-10-01	4.739163559084180
2012-01-01	4.158179447073240
2012-04-01	4.785656668783930
2012-07-01	4.215527114415370
2012-10-01	4.815683992511730
2013-01-01	6.153566821880190
2013-04-01	5.573777807528390
2013-07-01	5.496949222782600
2013-10-01	3.741946323432730
2014-01-01	3.033833983644240
2014-04-01	4.160061995843450
2014-07-01	5.291549024078000
2014-10-01	5.571183630071150
2015-01-01	3.650367111765910
2015-04-01	1.264795400744020
2015-07-01	-0.641572663528510
2015-10-01	-0.956004350405621
2016-01-01	-0.430626532278385
2016-04-01	-0.743691681812460
2016-07-01	0.485801310263293
2016-10-01	0.625872307635167
2017-01-01	1.106137471663220
2017-04-01	1.696472633754250
2017-07-01	1.237288652164650
2017-10-01	2.463762629287010
2018-01-01	2.410813661546250
2018-04-01	2.181666340513240
2018-07-01	2.178768217043010