Quarter	Growth rate same period previous year
1971-01-01	5.20711461675477
1971-04-01	6.17683246387946
1971-07-01	7.34776463135850
1971-10-01	7.62624415190668
1972-01-01	7.03201277848050
1972-04-01	6.61100909192244
1972-07-01	6.65009944902187
1972-10-01	7.02547470836181
1973-01-01	7.34744986445059
1973-04-01	8.17193527466231
1973-07-01	8.60227921986200
1973-10-01	9.60081989478795
1974-01-01	11.02575738327380
1974-04-01	12.70271513754630
1974-07-01	13.56069284711210
1974-10-01	14.33809977244700
1975-01-01	14.34179404276900
1975-04-01	13.86328008740320
1975-07-01	13.12400397182630
1975-10-01	11.72340848797810
1976-01-01	11.11312474124170
1976-04-01	10.45751534011910
1976-07-01	10.65764304619520
1976-10-01	11.18145577947480
1977-01-01	11.75301133136500
1977-04-01	12.00711255945250
1977-07-01	11.66062181776980
1977-10-01	12.01899042160180
1978-01-01	11.73432617339860
1978-04-01	11.55012615850050
1978-07-01	11.86888152424160
1978-10-01	11.55703167651470
1979-01-01	11.32102778785140
1979-04-01	11.45882959473070
1979-07-01	13.19502105350120
1979-10-01	14.53443442836960
1980-01-01	16.74184527128390
1980-04-01	17.29697172557770
1980-07-01	16.08922523615010
1980-10-01	15.11995996814160
1981-01-01	13.29894142531430
1981-04-01	12.80801434893270
1981-07-01	12.10665111776660
1981-10-01	12.08938280101750
1982-01-01	11.83427588509450
1982-04-01	11.26198857179750
1982-07-01	10.90154488258820
1982-10-01	9.98636396888499
1983-01-01	9.77631070059184
1983-04-01	9.46161050180387
1983-07-01	9.41208244136376
1983-10-01	9.60187473304430
1984-01-01	9.09661440947364
1984-04-01	8.85923892701482
1984-07-01	8.59646537697042
1984-10-01	8.35073781288714
1985-01-01	8.63063539494538
1985-04-01	8.62964016600331
1985-07-01	8.15131669470796
1985-10-01	8.12033238136430
1986-01-01	7.65692988162625
1986-04-01	6.82931317864743
1986-07-01	6.51594529178497
1986-10-01	5.95772947129708
1987-01-01	5.59603197100231
1987-04-01	5.71905807811463
1987-07-01	5.79926111500998
1987-10-01	6.14399931542495
1988-01-01	6.64575888921344
1988-04-01	7.16589630329682
1988-07-01	7.70078084697936
1988-10-01	7.83842440878820
1989-01-01	7.85722330550105
1989-04-01	7.95535405777327
1989-07-01	7.83202150398138
1989-10-01	7.67078324373967
1990-01-01	7.61700801513008
1990-04-01	7.94386088193436
1990-07-01	8.08434547931816
1990-10-01	8.35993733367011
1991-01-01	8.27627361238554
1991-04-01	8.02523593091204
1991-07-01	8.28154018504848
1991-10-01	8.48501704968060
1992-01-01	8.79061232856204
1992-04-01	8.69142174926329
1992-07-01	8.43301649730267
1992-10-01	7.99615065667422
1993-01-01	7.86628990494602
1993-04-01	7.67045725105319
1993-07-01	7.79934330790899
1993-10-01	7.50632760559364
1994-01-01	7.15537354476831
1994-04-01	8.32567542444459
1994-07-01	8.46481183162858
1994-10-01	8.81398090616574
1995-01-01	9.12861532147095
1995-04-01	8.04764626754084
1995-07-01	7.84336116985840
1995-10-01	7.55472438179403
1996-01-01	7.36304400471146
1996-04-01	7.11976189079188
1996-07-01	6.92487833430296
1996-10-01	6.89471930260628
1997-01-01	6.71432925648313
1997-04-01	6.55156403387302
1997-07-01	7.06946133319917
1997-10-01	7.38784594685448
1998-01-01	7.26500147314432
1998-04-01	7.40029114742666
1998-07-01	6.84449819380541
1998-10-01	6.35869290943598
1999-01-01	5.79186711897414
1999-04-01	5.57425250686538
1999-07-01	5.57026999985242
1999-10-01	5.55867073128104
2000-01-01	5.70081397871846
2000-04-01	5.24079215560913
2000-07-01	4.75576469044920
2000-10-01	4.22023155073808
2001-01-01	3.86070238031770
2001-04-01	4.66268561917291
2001-07-01	4.98255487678588
2001-10-01	5.18336574462427
2002-01-01	5.24856335536322
2002-04-01	4.63187210445166
2002-07-01	4.08401868200896
2002-10-01	3.74722887945681
2003-01-01	3.37751063468294
2003-04-01	3.01839126286623
2003-07-01	2.68445953798890
2003-10-01	2.37005645329418
2004-01-01	2.15095536802871
2004-04-01	2.33191409571426
2004-07-01	2.27764275478284
2004-10-01	2.29741736516811
2005-01-01	2.13460746266932
2005-04-01	1.91802279663139
2005-07-01	1.94037984682752
2005-10-01	1.89051981403681
2006-01-01	1.80216681077775
2006-04-01	1.92872982121448
2006-07-01	1.93411311142770
2006-10-01	2.00326918930598
2007-01-01	2.24817194454722
2007-04-01	2.41523125841021
2007-07-01	2.26493252579550
2007-10-01	2.27315369775082
2008-01-01	2.21325445421394
2008-04-01	2.25299472358058
2008-07-01	2.46521052354664
2008-10-01	2.33338961610999
2009-01-01	1.98280857466480
2009-04-01	1.69014837006112
2009-07-01	1.59049231378406
2009-10-01	1.50749938390943
2010-01-01	1.65479947230365
2010-04-01	1.69535921088779
2010-07-01	1.57937932224237
2010-10-01	1.52198275514304
2011-01-01	1.62722592989814
2011-04-01	1.87003117132225
2011-07-01	1.97360874612593
2011-10-01	2.31284371521394
2012-01-01	2.14208070846427
2012-04-01	2.04635142051296
2012-07-01	1.99564248890144
2012-10-01	1.78541953206256
2013-01-01	1.76062111776633
2013-04-01	1.62816046175086
2013-07-01	1.70075377945606
2013-10-01	1.55067554648437
2014-01-01	1.62970425474001
2014-04-01	1.73477964229258
2014-07-01	1.65223726345707
2014-10-01	1.55192405822780
2015-01-01	1.41856344948936
2015-04-01	1.41897399846803
2015-07-01	1.53965684168018
2015-10-01	1.69316447464248
2016-01-01	1.73491871690217
2016-04-01	1.60962709958658
2016-07-01	1.63793916257558
2016-10-01	1.60801689052757
2017-01-01	1.82227181739337
2017-04-01	2.15337749139990
2017-07-01	2.16658071211436
2017-10-01	2.15652415798143
2018-01-01	2.05982909522552
2018-04-01	2.10889225216835
2018-07-01	2.57877217837013