Quarter	Growth rate same period previous year
1971-01-01	5.90128593644406
1971-04-01	5.99349893075402
1971-07-01	6.34079874668477
1971-10-01	5.73170716172806
1972-01-01	5.33241803702384
1972-04-01	5.13463180076014
1972-07-01	5.09572082090665
1972-10-01	5.24846816882640
1973-01-01	5.51991841430818
1973-04-01	6.36300382637030
1973-07-01	6.97013124083029
1973-10-01	8.35461273433014
1974-01-01	10.14597447091310
1974-04-01	11.59072944516230
1974-07-01	13.00945494591030
1974-10-01	13.99153700554190
1975-01-01	13.47430780204270
1975-04-01	12.68318126830500
1975-07-01	11.23734731900790
1975-10-01	9.76527176188455
1976-01-01	9.47344239658223
1976-04-01	9.13161791487280
1976-07-01	9.31225166254061
1976-10-01	9.85177064262021
1977-01-01	10.06269455601540
1977-04-01	10.24196590722420
1977-07-01	9.99698524355765
1977-10-01	9.54344915909622
1978-01-01	9.26577449745016
1978-04-01	9.18960581573250
1978-07-01	9.63578711621010
1978-10-01	9.83225775545191
1979-01-01	9.83515512452869
1979-04-01	10.10828290632750
1979-07-01	10.96823465150560
1979-10-01	11.93488709788800
1980-01-01	13.84171882435550
1980-04-01	14.67652597065770
1980-07-01	13.93105494376090
1980-10-01	13.65438201803910
1981-01-01	12.17973675457110
1981-04-01	11.43330982544630
1981-07-01	11.82883886210710
1981-10-01	11.41689979268700
1982-01-01	10.91286875599250
1982-04-01	10.98696230487980
1982-07-01	11.00539542586080
1982-10-01	10.94084839969510
1983-01-01	11.55991117817410
1983-04-01	10.95228284201060
1983-07-01	10.27249388576790
1983-10-01	10.24722598061260
1984-01-01	9.44632528123564
1984-04-01	9.04355209766462
1984-07-01	8.61975976114494
1984-10-01	8.13118662623600
1985-01-01	8.16043188719194
1985-04-01	8.03544112132723
1985-07-01	7.81165368462530
1985-10-01	8.02570243127759
1986-01-01	8.06841421265410
1986-04-01	7.91536443699842
1986-07-01	8.30764619171365
1986-10-01	8.51133147657215
1987-01-01	8.61612576334992
1987-04-01	9.16438631613542
1987-07-01	9.52461278518968
1987-10-01	10.36186827969320
1988-01-01	11.37017351852960
1988-04-01	11.02329598076060
1988-07-01	9.99290124415728
1988-10-01	8.27066387184208
1989-01-01	6.60613062648217
1989-04-01	6.34176646615471
1989-07-01	6.24390646928282
1989-10-01	6.20266903065416
1990-01-01	6.55667514805344
1990-04-01	6.70306055894745
1990-07-01	7.02783676233179
1990-10-01	7.17984110340416
1991-01-01	7.21139645161081
1991-04-01	6.84869368858417
1991-07-01	6.63726857573503
1991-10-01	6.52773597905013
1992-01-01	6.18688614053777
1992-04-01	6.10556341880687
1992-07-01	5.78113364186775
1992-10-01	5.45597757914242
1993-01-01	5.32553607484819
1993-04-01	5.14218555448986
1993-07-01	5.12632190682859
1993-10-01	4.85847504379390
1994-01-01	4.53755203269824
1994-04-01	4.89404843440233
1994-07-01	4.95354912736807
1994-10-01	5.05231873012846
1995-01-01	5.58432902101622
1995-04-01	5.95408755501286
1995-07-01	6.17012055490612
1995-10-01	6.31839805437035
1996-01-01	6.14233171525461
1996-04-01	5.43145131602409
1996-07-01	5.15491651992762
1996-10-01	5.00967115150336
1997-01-01	4.79641426735625
1997-04-01	4.76663588765519
1997-07-01	4.80633567182887
1997-10-01	4.86325034234001
1998-01-01	4.77815208334176
1998-04-01	4.63740443793796
1998-07-01	4.44108884873862
1998-10-01	4.22880863826204
1999-01-01	3.86920773673370
1999-04-01	3.75379390710442
1999-07-01	3.70618637963351
1999-10-01	3.62223274377369
2000-01-01	3.70044970931664
2000-04-01	3.52025596579665
2000-07-01	3.44004231013773
2000-10-01	3.16806752633453
2001-01-01	3.03273112165252
2001-04-01	3.31967307316154
2001-07-01	3.37526112491382
2001-10-01	3.43154318275387
2002-01-01	3.30692161506378
2002-04-01	3.06408542056022
2002-07-01	2.80927500189643
2002-10-01	2.60725077409125
2003-01-01	2.40979662470909
2003-04-01	2.11405765886636
2003-07-01	1.87710519357884
2003-10-01	1.66579412841265
2004-01-01	1.61176342620257
2004-04-01	1.85373436061687
2004-07-01	1.86327257062982
2004-10-01	1.99523564659400
2005-01-01	2.04492364085346
2005-04-01	1.86623188745761
2005-07-01	1.82539412561986
2005-10-01	1.82303049669474
2006-01-01	1.76448140027223
2006-04-01	1.98546496704208
2006-07-01	2.15079931134577
2006-10-01	2.11477224821929
2007-01-01	2.19566948548358
2007-04-01	2.12349411076107
2007-07-01	2.03585782368888
2007-10-01	2.12343152335724
2008-01-01	2.15346981845702
2008-04-01	2.20126216923042
2008-07-01	2.43137685274805
2008-10-01	2.21097036893379
2009-01-01	1.89874020360959
2009-04-01	1.74430829471242
2009-07-01	1.46851008040589
2009-10-01	1.45402993171915
2010-01-01	1.42624322724051
2010-04-01	1.22363177275683
2010-07-01	1.13251526228390
2010-10-01	1.09090292139235
2011-01-01	1.25305083090052
2011-04-01	1.54932340763806
2011-07-01	1.77127539598464
2011-10-01	1.95286097453263
2012-01-01	1.92995048950911
2012-04-01	1.90235832599128
2012-07-01	1.74732189867780
2012-10-01	1.63285179938094
2013-01-01	1.60312002089650
2013-04-01	1.49723425396722
2013-07-01	1.58329237111115
2013-10-01	1.60409423201267
2014-01-01	1.62798351369734
2014-04-01	1.95294153270327
2014-07-01	1.88066386008616
2014-10-01	1.78495420965286
2015-01-01	1.75781200556399
2015-04-01	1.60514715512062
2015-07-01	1.70684044429910
2015-10-01	1.82998646560296
2016-01-01	1.90956956059101
2016-04-01	1.85259813294411
2016-07-01	1.82929100160972
2016-10-01	1.76566587404371
2017-01-01	1.86687202342020
2017-04-01	1.82649629574560
2017-07-01	1.81069500940858
2017-10-01	1.85885908577566
2018-01-01	1.88754078344742
2018-04-01	1.98352809225754
2018-07-01	2.16612950344980