Quarter	Growth rate same period previous year
1980-01-01	3.676470588235300
1980-04-01	10.622710622710600
1980-07-01	17.446043165467600
1980-10-01	17.553191489361700
1981-01-01	18.085106382978700
1981-04-01	11.258278145695300
1981-07-01	4.594180704441030
1981-10-01	4.977375565610850
1982-01-01	7.807807807807800
1982-04-01	12.500000000000000
1982-07-01	17.276720351390900
1982-10-01	15.086206896551700
1983-01-01	12.674094707520900
1983-04-01	7.539682539682550
1983-07-01	2.496878901373280
1983-10-01	4.494382022471890
1984-01-01	3.461063040791110
1984-04-01	5.535055350553510
1984-07-01	5.968331303288680
1984-10-01	4.659498207885310
1985-01-01	5.495818399044200
1985-04-01	5.244755244755230
1985-07-01	7.011494252873560
1985-10-01	8.219178082191790
1986-01-01	8.380520951302380
1986-04-01	7.308970099667760
1986-07-01	6.552094522019330
1986-10-01	6.645569620253170
1987-01-01	6.687565308254960
1987-04-01	6.191950464396290
1987-07-01	5.040322580645160
1987-10-01	4.253214638971310
1988-01-01	3.525954946131250
1988-04-01	3.206997084548090
1988-07-01	3.646833013435720
1988-10-01	4.174573055028480
1989-01-01	4.162724692526020
1989-04-01	4.802259887005690
1989-07-01	4.444444444444450
1989-10-01	3.551912568306000
1990-01-01	4.268846503178940
1990-04-01	4.402515723270420
1990-07-01	12.854609929078000
1990-10-01	12.137203166226900
1991-01-01	11.585365853658500
1991-04-01	11.015490533562800
1991-07-01	2.749410840534180
1991-10-01	3.450980392156860
1992-01-01	4.761904761904760
1992-04-01	4.651162790697680
1992-07-01	7.415902140672780
1992-10-01	7.126611068991670
1993-01-01	6.333830104321900
1993-04-01	6.000000000000000
1993-07-01	2.562277580071180
1993-10-01	2.547770700636920
1994-01-01	1.892081289418350
1994-04-01	1.886792452830190
1994-07-01	2.428868841082580
1994-10-01	3.105590062111820
1995-01-01	4.057771664374140
1995-04-01	5.555555555555550
1995-07-01	4.607046070460720
1995-10-01	3.815261044176710
1996-01-01	4.163912756113680
1996-04-01	2.144249512670570
1996-07-01	3.173575129533670
1996-10-01	3.288201160541590
1997-01-01	2.474619289340120
1997-04-01	2.798982188295170
1997-07-01	4.080351537978670
1997-10-01	3.932584269662920
1998-01-01	8.049535603715150
1998-04-01	8.601485148514830
1998-07-01	6.875753920385970
1998-10-01	7.027027027027010
1999-01-01	4.985673352435520
1999-04-01	5.185185185185200
1999-07-01	4.683972911963890
1999-10-01	4.433221099887760
2000-01-01	3.602620087336270
2000-04-01	3.304442036836400
2000-07-01	3.180592991913760
2000-10-01	3.331542181622790
2001-01-01	3.477344573234970
2001-04-01	2.988987939171460
2001-07-01	2.769070010449330
2001-10-01	2.808112324492980
2002-01-01	3.004073319755590
2002-04-01	3.767820773930750
2002-07-01	5.134722928317230
2002-10-01	4.906423874557430
2003-01-01	4.053386060306490
2003-04-01	3.631010794896980
2003-07-01	3.288201160541590
2003-10-01	4.628736740597850
2004-01-01	4.893111638954880
2004-04-01	4.829545454545460
2004-07-01	4.962546816479380
2004-10-01	3.456221198156700
2005-01-01	2.536231884057960
2005-04-01	2.619692863595300
2005-07-01	3.077609277430870
2005-10-01	2.850779510022270
2006-01-01	4.505300353356890
2006-04-01	3.741197183098580
2006-07-01	2.682821289485080
2006-10-01	3.291468168038100
2007-01-01	1.986475063398150
2007-04-01	2.460755197284700
2007-07-01	2.739148756847880
2007-10-01	2.599580712788270
2008-01-01	3.564028180687930
2008-04-01	3.436853002070400
2008-07-01	2.994257588187040
2008-10-01	2.983244789538240
2009-01-01	2.601040416166460
2009-04-01	3.162530024019200
2009-07-01	3.863002787733970
2009-10-01	3.809523809523790
2010-01-01	3.003120124804990
2010-04-01	2.599922390376420
2010-07-01	2.185582822085880
2010-10-01	2.522935779816530
2011-01-01	2.536917834153740
2011-04-01	2.458396369137660
2011-07-01	2.063789868667920
2011-10-01	2.162565249813540
2012-01-01	3.175775480059080
2012-04-01	3.285345145810260
2012-07-01	3.088235294117660
2012-10-01	2.773722627737240
2013-01-01	2.219040801717960
2013-04-01	2.394567548248760
2013-07-01	2.888730385164050
2013-10-01	2.840909090909090
2014-01-01	2.310924369747910
2014-04-01	2.268760907504360
2014-07-01	2.772963604852670
2014-10-01	2.762430939226540
2015-01-01	2.327173169062270
2015-04-01	2.457337883959040
2015-07-01	1.382799325463750
2015-10-01	0.907258064516130
2016-01-01	1.003344481605370
2016-04-01	0.899400399733523
2016-07-01	2.594810379241540
2016-10-01	3.429903429903410
2017-01-01	3.145695364238390
2017-04-01	3.037306041597900
2017-07-01	1.134889753566760
2017-10-01	0.450740502253696
2018-01-01	0.930979133226329
2018-04-01	1.153476449855790
2018-07-01	2.019878166078910