Quarter	Growth rate same period previous year
1980-01-01	3.57984582399057
1980-04-01	6.78223114793421
1980-07-01	10.39521443779780
1980-10-01	12.52977206546840
1981-01-01	13.50016788796940
1981-04-01	13.00292388755210
1981-07-01	10.48981106290430
1981-10-01	8.41129167544108
1982-01-01	8.61026033690661
1982-04-01	10.06744873963170
1982-07-01	10.00196169051180
1982-10-01	10.43468527048070
1983-01-01	11.27378190144480
1983-04-01	8.97081062071393
1983-07-01	9.34233702544904
1983-10-01	8.93713943261441
1984-01-01	7.60243083747649
1984-04-01	7.20508888784332
1984-07-01	6.87882115505984
1984-10-01	6.86287877006984
1985-01-01	7.19357826839784
1985-04-01	6.06123189435575
1985-07-01	6.16867379699465
1985-10-01	6.40431640599225
1986-01-01	5.58648753492703
1986-04-01	6.41157237738442
1986-07-01	7.16401067748113
1986-10-01	7.36776874616716
1987-01-01	8.22024366421632
1987-04-01	8.97189752637868
1987-07-01	8.35083016680430
1987-10-01	8.60753386907902
1988-01-01	8.42894899865755
1988-04-01	8.80976849360891
1988-07-01	8.67807631799232
1988-10-01	7.93869531442361
1989-01-01	6.50118269815623
1989-04-01	5.27554803455535
1989-07-01	5.06110637147548
1989-10-01	5.24085060906979
1990-01-01	5.57938744690609
1990-04-01	5.42895461591006
1990-07-01	4.83635958736609
1990-10-01	4.65718314255482
1991-01-01	5.03595855391552
1991-04-01	4.73484875682014
1991-07-01	4.58196834631165
1991-10-01	4.21351247026390
1992-01-01	3.42412722123497
1992-04-01	3.01150532501539
1992-07-01	2.87686302331166
1992-10-01	2.65964884605793
1993-01-01	3.92094410504835
1993-04-01	3.88239743770500
1993-07-01	3.71622465042952
1993-10-01	3.31901165317950
1994-01-01	1.87341663558594
1994-04-01	1.75813851982760
1994-07-01	2.45945435583966
1994-10-01	3.33391695365652
1995-01-01	3.65207836185228
1995-04-01	3.69806227499523
1995-07-01	3.20092960330860
1995-10-01	2.81025968420850
1996-01-01	2.16404388986246
1996-04-01	1.95321825016931
1996-07-01	1.79328406897931
1996-10-01	1.51259667524464
1997-01-01	1.67101312855167
1997-04-01	2.20539869941144
1997-07-01	2.72285705930000
1997-10-01	3.16782996534276
1998-01-01	2.60653283180646
1998-04-01	2.12304033242840
1998-07-01	2.06289984885512
1998-10-01	2.39087523728391
1999-01-01	2.95960224100460
1999-04-01	3.79057000496113
1999-07-01	3.73817504459671
1999-10-01	3.50090781635596
2000-01-01	4.32242500396530
2000-04-01	2.86071801819744
2000-07-01	3.30986650359666
2000-10-01	3.08461526173704
2001-01-01	3.57854675923041
2001-04-01	4.06696082003836
2001-07-01	3.60871516283075
2001-10-01	4.00075727965601
2002-01-01	3.31050299275439
2002-04-01	3.81299651047769
2002-07-01	3.92641632039080
2002-10-01	3.38534588000542
2003-01-01	3.32286427257375
2003-04-01	3.37285215066750
2003-07-01	3.06951284302023
2003-10-01	3.48513156193284
2004-01-01	2.50817750345688
2004-04-01	2.19625390441353
2004-07-01	2.75893385861077
2004-10-01	2.51071557974063
2005-01-01	3.51747150789825
2005-04-01	3.39475530355396
2005-07-01	2.45802310396081
2005-10-01	2.52457906290228
2006-01-01	1.86134497531488
2006-04-01	1.76204817891939
2006-07-01	2.07495855407145
2006-10-01	2.65506618824496
2007-01-01	3.40264616324075
2007-04-01	4.87508384040305
2007-07-01	5.12678048076542
2007-10-01	5.16287814221592
2008-01-01	5.23201873330835
2008-04-01	4.29138225363691
2008-07-01	3.44819657755828
2008-10-01	2.72101519949303
2009-01-01	1.83948553991164
2009-04-01	1.32546067989395
2009-07-01	1.92044343471034
2009-10-01	2.14575445868500
2010-01-01	2.82301708637097
2010-04-01	3.02207673046523
2010-07-01	3.00984331925285
2010-10-01	2.84354357314583
2011-01-01	3.01182856997833
2011-04-01	2.54918874367048
2011-07-01	2.64133533493716
2011-10-01	2.52252375088239
2012-01-01	1.88112559678341
2012-04-01	1.95402645870306
2012-07-01	1.89355791318524
2012-10-01	2.03155139889787
2013-01-01	2.68420435901062
2013-04-01	3.00036960177466
2013-07-01	3.22323754849019
2013-10-01	3.27765980785668
2014-01-01	2.66915099839608
2014-04-01	2.68308397963630
2014-07-01	2.83958558123664
2014-10-01	2.71605985239569
2015-01-01	3.09212343977046
2015-04-01	2.92945958064948
2015-07-01	2.65151188033193
2015-10-01	2.35366030320011
2016-01-01	1.93520246823302
2016-04-01	1.89634709150653
2016-07-01	1.85199545128414
2016-10-01	1.98518971861321
2017-01-01	2.29682420518474
2017-04-01	2.16555656264818
2017-07-01	2.03690022041573
2017-10-01	2.01452543095853
2018-01-01	1.79532089915994
2018-04-01	1.88275567992794
2018-07-01	1.75569513612130