Quarter	Growth rate same period previous year
1981-01-01	3.9451330774554800
1981-04-01	7.3640743289745200
1981-07-01	14.2386205147711000
1981-10-01	16.7737508577132000
1982-01-01	21.3075060532688000
1982-04-01	22.2610722610723000
1982-07-01	16.2597114317425000
1982-10-01	9.7756410256410300
1983-01-01	6.6367265469061800
1983-04-01	2.7645376549094400
1983-07-01	3.9140811455847300
1983-10-01	6.8613138686131400
1984-01-01	6.1300889096864800
1984-04-01	6.6326530612244700
1984-07-01	6.8442811208084400
1984-10-01	6.2841530054644800
1985-01-01	4.0564373897707300
1985-04-01	3.1752936059156500
1985-07-01	2.4505588993981100
1985-10-01	2.2707797772065300
1986-01-01	-0.2542372881356060
1986-04-01	-1.4755480607082800
1986-07-01	-4.2383550146873800
1986-10-01	-5.3204859656472700
1987-01-01	-7.3491928632115500
1987-04-01	-8.3440308087291400
1987-07-01	-6.7484662576687200
1987-10-01	-6.0619469026548600
1988-01-01	-2.4300779458963900
1988-04-01	0.5602240896358660
1988-07-01	3.9003759398496300
1988-10-01	8.8082901554404000
1989-01-01	11.7951127819549000
1989-04-01	10.9563602599814000
1989-07-01	7.9601990049751300
1989-10-01	2.3376623376623500
1990-01-01	-0.3783102143757780
1990-04-01	-1.9665271966527200
1990-07-01	-3.2258064516129100
1990-10-01	-3.4263959390862900
1991-01-01	-4.6835443037974700
1991-04-01	-2.3474178403755800
1991-07-01	-1.4285714285714100
1991-10-01	-1.6644765659220400
1992-01-01	-1.7264276228419600
1992-04-01	-2.0979020979021100
1992-07-01	-2.5032938076416400
1992-10-01	-3.1180400890868500
1993-01-01	-3.5585585585585700
1993-04-01	-3.5714285714285700
1993-07-01	-1.3513513513513400
1993-10-01	1.5632183908045900
1994-01-01	2.4754787482485000
1994-04-01	0.8796296296296360
1994-07-01	-0.5022831050228450
1994-10-01	-1.4486192847442100
1995-01-01	2.6435733819507600
1995-04-01	4.7728315741165700
1995-07-01	4.7269389628269700
1995-10-01	3.9044556729444000
1996-01-01	-1.7317939609236300
1996-04-01	-4.6430135786246100
1996-07-01	-5.3900087642418900
1996-10-01	-4.6419098143236100
1997-01-01	-2.4853140533212800
1997-04-01	0.6890215893431040
1997-07-01	3.8906901343214400
1997-10-01	4.6360686138155000
1998-01-01	5.5143651529193900
1998-04-01	3.7864963503650000
1998-07-01	0.2674988854213090
1998-10-01	-2.5697828976517600
1999-01-01	-5.7971014492753900
1999-04-01	-6.7692307692307900
1999-07-01	-5.1133837261004900
1999-10-01	-1.4552069122328300
2000-01-01	1.4104875294677100
2000-04-01	5.9765891603324600
2000-07-01	6.4795394144712200
2000-10-01	4.9051507874360600
2001-01-01	4.7417840375586800
2001-04-01	1.0904134484325500
2001-07-01	-0.1348314606741420
2001-10-01	-1.2578616352201100
2002-01-01	-2.3756163155535600
2002-04-01	-1.7528089887640500
2002-07-01	-0.4050405040504200
2002-10-01	0.4549590536851640
2003-01-01	1.8365472910927400
2003-04-01	1.6468435498627600
2003-07-01	-0.0903750564844004
2003-10-01	0.4076086956521590
2004-01-01	0.7213706041478920
2004-04-01	8.8658865886588800
2004-07-01	13.7042062415197000
2004-10-01	17.5011276499774000
2005-01-01	16.1593554162936000
2005-04-01	6.3249276560562100
2005-07-01	2.3468575974542600
2005-10-01	1.2284069097888700
2006-01-01	3.1213872832370100
2006-04-01	6.3374805598755800
2006-07-01	8.4337349397590200
2006-10-01	7.4706105422828800
2007-01-01	8.3333333333333400
2007-04-01	6.9104204753199300
2007-07-01	4.8387096774193500
2007-10-01	3.7402964008468700
2008-01-01	3.0700241462573200
2008-04-01	5.6087551299589600
2008-07-01	9.6410256410256600
2008-10-01	6.1564625850339900
2009-01-01	-0.5020080321285140
2009-04-01	-10.6217616580311000
2009-07-01	-15.4661677580293000
2009-10-01	-12.5280358859340000
2010-01-01	-6.7944836865119400
2010-04-01	6.6304347826087000
2010-07-01	11.6193286610107000
2010-10-01	10.3663003663004000
2011-01-01	13.3164922410682000
2011-04-01	9.2422697927285200
2011-07-01	5.5849306014540900
2011-10-01	6.4387653501493500
2012-01-01	2.0700636942675200
2012-04-01	-0.0622083981337619
2012-07-01	0.2190923317683640
2012-10-01	-1.2472715933894700
2013-01-01	-2.0280811232449400
2013-04-01	-3.7348272642390300
2013-07-01	-4.5284197376639600
2013-10-01	-3.5996210925165600
2014-01-01	-3.0254777070063500
2014-04-01	-2.7804720336243100
2014-07-01	-1.4393195943735600
2014-10-01	-0.5895840157222410
2015-01-01	-0.2627257799671740
2015-04-01	0.0000000000000000
2015-07-01	-0.1991370726850320
2015-10-01	-2.8006589785831900
2016-01-01	-2.6012512347711400
2016-04-01	-1.3634852011972000
2016-07-01	1.4632524110409200
2016-10-01	1.5254237288135600
2017-01-01	5.0709939148072700
2017-04-01	5.2258934592042900
2017-07-01	2.1960013110455600
2017-10-01	6.7111853088480600
2018-01-01	4.4401544401544700
2018-04-01	4.6459468119192800
2018-07-01	4.9390635022450200