Quarter	Growth rate same period previous year
1981-01-01	6.61985957873622
1981-04-01	6.84261974584552
1981-07-01	6.57830142366224
1981-10-01	6.41842234198920
1982-01-01	4.42144873000940
1982-04-01	3.88838060384265
1982-07-01	7.27775218793186
1982-10-01	12.43093922651930
1983-01-01	11.66666666666670
1983-04-01	11.00836635843240
1983-07-01	10.73422069557750
1983-10-01	7.28910728910731
1984-01-01	7.54336425978219
1984-04-01	7.49702499008330
1984-07-01	7.91004265219078
1984-10-01	7.97709923664119
1985-01-01	8.58964741185296
1985-04-01	8.92988929889299
1985-07-01	9.34243621990658
1985-10-01	9.89749027925064
1986-01-01	8.94645941278064
1986-04-01	8.26558265582654
1986-07-01	8.70851133749590
1986-10-01	9.00611128980379
1987-01-01	8.81420418516172
1987-04-01	8.01001251564456
1987-07-01	7.76904474002416
1987-10-01	7.90793744467397
1988-01-01	15.85081585081590
1988-04-01	16.94669756662800
1988-07-01	18.00841514726510
1988-10-01	18.29368334700570
1989-01-01	13.55633802816900
1989-04-01	17.19098340351750
1989-07-01	16.87663418112670
1989-10-01	17.42949607027280
1990-01-01	21.74972314507200
1990-04-01	26.10441767068270
1990-07-01	25.29997966239580
1990-10-01	27.83464566929140
1991-01-01	35.87411315262870
1991-04-01	40.42909822326520
1991-07-01	45.57701671806520
1991-10-01	45.33415460425000
1992-01-01	36.61473557370470
1992-04-01	27.64556934829310
1992-07-01	22.52855836771100
1992-10-01	19.05903581267220
1993-01-01	23.24207208981680
1993-04-01	22.00714151475290
1993-07-01	24.54279444038040
1993-10-01	26.61420139509930
1994-01-01	21.28815726386450
1994-04-01	21.58040665434380
1994-07-01	20.04405286343610
1994-10-01	18.23703912982060
1995-01-01	21.21491632626170
1995-04-01	26.03572786012920
1995-07-01	27.81651376146790
1995-10-01	29.15173237753880
1996-01-01	30.23154690727250
1996-04-01	28.06594290309610
1996-07-01	24.79663125657960
1996-10-01	22.49768732654950
1997-01-01	19.96661101836390
1997-04-01	18.79120879120880
1997-07-01	18.88036809815950
1997-10-01	19.01525449327890
1998-01-01	17.61758975786250
1998-04-01	16.16228359984140
1998-07-01	15.95923106695910
1998-10-01	15.23477157360410
1999-01-01	15.33364884051110
1999-04-01	15.50625711035270
1999-07-01	14.72518914107700
1999-10-01	13.81531853972800
2000-01-01	10.06568831250820
2000-04-01	8.88407367280606
2000-07-01	9.24535872409606
2000-10-01	10.38613056029600
2001-01-01	11.06536284096760
2001-04-01	10.18981018981020
2001-07-01	9.36274509803923
2001-10-01	8.56727976766701
2002-01-01	7.13623725671917
2002-04-01	6.79963735267455
2002-07-01	5.87180636485879
2002-10-01	5.70664288898794
2003-01-01	7.87197231833910
2003-04-01	7.08828522920203
2003-07-01	7.36663844199831
2003-10-01	8.56178827498946
2004-01-01	5.13231756214915
2004-04-01	5.94530321046372
2004-07-01	6.74290220820188
2004-10-01	5.16705516705517
2005-01-01	6.10221205186880
2005-04-01	5.46202768424990
2005-07-01	5.09789434798669
2005-10-01	5.35648319172516
2006-01-01	3.77426312005752
2006-04-01	3.40546293011708
2006-07-01	4.14762741652022
2006-10-01	5.08415147265077
2007-01-01	6.44267405611361
2007-04-01	7.58147512864494
2007-07-01	7.55990550118123
2007-10-01	6.57323990657324
2008-01-01	6.37813211845104
2008-04-01	5.29336734693877
2008-07-01	5.02039535613431
2008-10-01	4.38321853475268
2009-01-01	3.36494340776996
2009-04-01	3.81586917019988
2009-07-01	6.00537795040334
2009-10-01	5.84883023395318
2010-01-01	5.91891092039067
2010-04-01	5.68844807467911
2010-07-01	3.01578354002255
2010-10-01	2.86200056673279
2011-01-01	2.12349818385023
2011-04-01	2.04250621032293
2011-07-01	2.18878248974008
2011-10-01	2.61707988980719
2012-01-01	4.48700410396715
2012-04-01	4.16553962672438
2012-07-01	4.33734939759036
2012-10-01	4.42953020134226
2013-01-01	3.53495679497252
2013-04-01	3.89509218384835
2013-07-01	3.54118552732870
2013-10-01	4.11311053984578
2014-01-01	2.73141122913504
2014-04-01	1.89952511872031
2014-07-01	2.23048327137547
2014-10-01	1.70370370370368
2015-01-01	2.01870999507632
2015-04-01	2.28108903605592
2015-07-01	2.03636363636362
2015-10-01	1.82083029861619
2016-01-01	1.64092664092664
2016-04-01	1.75059952038371
2016-07-01	1.47303397481588
2016-10-01	1.90748688602764
2017-01-01	1.80436847103514
2017-04-01	1.90666980909733
2017-07-01	2.16576914071647
2017-10-01	1.66120729995319
2018-01-01	1.53917910447760
2018-04-01	1.92187608409076
2018-07-01	2.25736220923569