Quarter	Growth rate same period previous year
1997-01-01	1.141226818830250
1997-04-01	0.424028268551270
1997-07-01	0.460666194188520
1997-10-01	0.424778761061939
1998-01-01	0.141043723554286
1998-04-01	0.387051372273030
1998-07-01	0.599647266313932
1998-10-01	0.246739513570672
1999-01-01	0.316901408450708
1999-04-01	-0.140203294777411
1999-07-01	-0.175315568022447
1999-10-01	-0.140646976090011
2000-01-01	-0.280800280800275
2000-04-01	-0.210600210600227
2000-07-01	-0.280997541271495
2000-10-01	0.211267605633806
2001-01-01	0.598380851812741
2001-04-01	1.160745691171310
2001-07-01	1.444170482564280
2001-10-01	1.581166549543210
2002-01-01	1.504548635409380
2002-04-01	0.799721835883159
2002-07-01	0.659722222222213
2002-10-01	0.553441715669335
2003-01-01	0.861771802826605
2003-04-01	1.621248706450500
2003-07-01	1.759227319765450
2003-10-01	1.651186790505660
2004-01-01	1.401230348598770
2004-04-01	1.154107264086900
2004-07-01	1.118644067796600
2004-10-01	1.082910321488990
2005-01-01	0.674081563869241
2005-04-01	0.570469798657730
2005-07-01	0.670465973851827
2005-10-01	0.803481754268507
2006-01-01	1.104787412119170
2006-04-01	1.501501501501480
2006-07-01	1.898101898101900
2006-10-01	2.125539687811360
2007-01-01	2.748344370860930
2007-04-01	2.596975673898760
2007-07-01	2.843137254901950
2007-10-01	3.869918699187000
2008-01-01	4.737350950692880
2008-04-01	6.215956424223000
2008-07-01	7.435653002859890
2008-10-01	6.480901690670020
2009-01-01	5.416041275797370
2009-04-01	3.488485450465350
2009-07-01	1.297422468457150
2009-10-01	1.075454851872820
2010-01-01	0.370994940978082
2010-04-01	0.875715729201767
2010-07-01	1.315789473684190
2010-10-01	1.747899159663870
2011-01-01	3.561827956989220
2011-04-01	4.073455759599320
2011-07-01	4.795204795204820
2011-10-01	4.492897258011220
2012-01-01	3.309539260220640
2012-04-01	2.759063201796620
2012-07-01	2.192564346997110
2012-10-01	2.023395510591200
2013-01-01	2.010050251256290
2013-04-01	2.497658445207610
2013-07-01	2.549751243781100
2013-10-01	2.510071273628770
2014-01-01	2.062807881773420
2014-04-01	0.852878464818771
2014-07-01	-0.272892662219537
2014-10-01	-1.390568319226110
2015-01-01	-1.417797888386130
2015-04-01	-0.966475385080030
2015-07-01	-0.790513833992069
2015-10-01	-0.582464745554871
2016-01-01	-0.550795593635272
2016-04-01	-0.609942055504741
2016-07-01	-0.520992951271840
2016-10-01	1.171754548257760
2017-01-01	1.969230769230780
2017-04-01	3.068425897514560
2017-07-01	4.128157732593960
2017-10-01	4.084120694910110
2018-01-01	3.108026554013280
2018-04-01	2.024412027389100
2018-07-01	1.360946745562140