Quarter	Growth rate same period previous year
1980-01-01	4.787234042553160
1980-04-01	7.936507936507970
1980-07-01	12.852112676056300
1980-10-01	15.344827586206900
1981-01-01	16.412859560067700
1981-04-01	14.705882352941100
1981-07-01	9.672386895475800
1981-10-01	6.128550074738430
1982-01-01	5.523255813953500
1982-04-01	6.410256410256420
1982-07-01	6.543385490753930
1982-10-01	8.169014084507030
1983-01-01	9.779614325068870
1983-04-01	7.228915662650610
1983-07-01	8.945260347129510
1983-10-01	8.072916666666660
1984-01-01	7.026348808030110
1984-04-01	6.866416978776540
1984-07-01	6.372549019607840
1984-10-01	6.265060240963870
1985-01-01	7.151230949589680
1985-04-01	6.308411214953240
1985-07-01	7.603686635944690
1985-10-01	8.163265306122440
1986-01-01	7.330415754923410
1986-04-01	9.230769230769240
1986-07-01	10.706638115631700
1986-10-01	10.796645702306100
1987-01-01	12.334352701325200
1987-04-01	13.782696177062400
1987-07-01	11.798839458413900
1987-10-01	12.204351939451300
1988-01-01	11.161524500907400
1988-04-01	10.344827586206900
1988-07-01	9.256055363321790
1988-10-01	7.504215851602030
1989-01-01	5.142857142857130
1989-04-01	3.605769230769250
1989-07-01	3.325415676959640
1989-10-01	3.764705882352940
1990-01-01	4.425465838509330
1990-04-01	4.640371229698370
1990-07-01	4.061302681992340
1990-10-01	4.006046863189710
1991-01-01	4.460966542750900
1991-04-01	4.212860310421280
1991-07-01	4.270986745213530
1991-10-01	3.706395348837220
1992-01-01	1.850533807829200
1992-04-01	1.560283687943270
1992-07-01	1.059322033898320
1992-10-01	0.420462508759636
1993-01-01	2.375960866526900
1993-04-01	2.863128491620120
1993-07-01	3.004891684136960
1993-10-01	2.791346824842970
1994-01-01	2.047781569965870
1994-04-01	3.190767141887300
1994-07-01	5.223880597014930
1994-10-01	7.331975560081480
1995-01-01	7.558528428093650
1995-04-01	6.907894736842110
1995-07-01	4.900064474532580
1995-10-01	3.542061986084770
1996-01-01	2.549751243781080
1996-04-01	1.784615384615390
1996-07-01	1.966810079901650
1996-10-01	1.405009163103230
1997-01-01	1.758641600970290
1997-04-01	2.660217654171670
1997-07-01	2.712477396021700
1997-10-01	3.554216867469870
1998-01-01	2.443384982121580
1998-04-01	1.766784452296840
1998-07-01	2.288732394366180
1998-10-01	3.723094822571280
1999-01-01	4.712041884816740
1999-04-01	5.613425925925920
1999-07-01	5.622489959839370
1999-10-01	4.206393718452050
2000-01-01	5.000000000000000
2000-04-01	2.904109589041090
2000-07-01	3.041825095057020
2000-10-01	2.475780409041960
2001-01-01	3.121693121693110
2001-04-01	4.206602768903090
2001-07-01	3.690036900369020
2001-10-01	4.096638655462190
2002-01-01	2.719343252950220
2002-04-01	3.219213081246810
2002-07-01	3.304524656837820
2002-10-01	2.976791120080740
2003-01-01	3.096903096903120
2003-04-01	2.970297029702970
2003-07-01	2.805118110236220
2003-10-01	3.478686918177370
2004-01-01	3.149224806201540
2004-04-01	3.221153846153860
2004-07-01	4.212541886069890
2004-10-01	3.645833333333330
2005-01-01	4.321277595115090
2005-04-01	4.052165812761980
2005-07-01	2.618282039503910
2005-10-01	2.786660575605300
2006-01-01	1.800990544799640
2006-04-01	1.656222023276630
2006-07-01	2.059086839749340
2006-10-01	2.933333333333320
2007-01-01	4.157452454666080
2007-04-01	6.649053280493180
2007-07-01	6.973684210526310
2007-10-01	6.865284974093290
2008-01-01	6.581740976645440
2008-04-01	4.748142031379020
2008-07-01	3.526035260352600
2008-10-01	2.464646464646440
2009-01-01	1.035856573705170
2009-04-01	0.394166338194727
2009-07-01	1.227722772277220
2009-10-01	1.774447949526860
2010-01-01	2.681388012618290
2010-04-01	3.140950137416550
2010-07-01	3.208137715179980
2010-10-01	2.789616427741160
2011-01-01	2.803379416282640
2011-04-01	3.045298819946710
2011-07-01	3.449583017437450
2011-10-01	3.807010931021490
2012-01-01	3.137840866641750
2012-04-01	2.512005910602160
2012-07-01	2.161964089410020
2012-10-01	2.287581699346410
2013-01-01	2.354219485693610
2013-04-01	1.837837837837830
2013-07-01	1.685796269727410
2013-10-01	0.993965211217604
2014-01-01	1.203113941967450
2014-04-01	3.467799009200290
2014-07-01	4.373897707231030
2014-10-01	4.217926186291740
2015-01-01	4.160839160839140
2015-04-01	2.291381668946640
2015-07-01	1.689760054072350
2015-10-01	1.922428330522770
2016-01-01	1.577710641154770
2016-04-01	1.671681711802080
2016-07-01	1.595214356929210
2016-10-01	1.853077432164100
2017-01-01	2.048909451421010
2017-04-01	2.236106543900030
2017-07-01	2.486097481190720
2017-10-01	1.981806367771300
2018-01-01	3.562176165803100
2018-04-01	4.535220328079760
2018-07-01	3.638684966485800