Quarter	Growth rate same period previous year
1997-01-01	1.99800199800199
1997-04-01	1.69020606621902
1997-07-01	1.96629213483145
1997-10-01	1.71349449027866
1998-01-01	2.03376159474562
1998-04-01	1.72472677595628
1998-07-01	1.84404340248496
1998-10-01	2.51276233692570
1999-01-01	3.13382269904008
1999-04-01	3.77706899446029
1999-07-01	3.83659950317418
1999-10-01	3.29220383998228
2000-01-01	2.89077470572134
2000-04-01	2.57198317696539
2000-07-01	2.61031366294524
2000-10-01	3.16584529676452
2001-01-01	5.19874421327093
2001-04-01	6.06634074541344
2001-07-01	5.80280814465573
2001-10-01	6.11142842307493
2002-01-01	7.28376327769345
2002-04-01	6.77504088813996
2002-07-01	6.53249106312126
2002-10-01	5.89645723233512
2003-01-01	3.05516265912306
2003-04-01	2.35796509468992
2003-07-01	1.95357389105953
2003-10-01	2.16256180398316
2004-01-01	1.57379449171929
2004-04-01	2.05877017957558
2004-07-01	2.02885482416592
2004-10-01	2.16201546881359
2005-01-01	2.16196739032520
2005-04-01	1.70176841731093
2005-07-01	1.83826778612460
2005-10-01	1.66024704476028
2006-01-01	1.91341151573933
2006-04-01	2.64319105247060
2006-07-01	3.19361277445109
2006-10-01	3.13561536451527
2007-01-01	3.60356463055891
2007-04-01	3.46045798927386
2007-07-01	3.49003447985875
2007-10-01	3.47943585845788
2008-01-01	3.86654975155539
2008-04-01	4.17986588225615
2008-07-01	4.54656265236469
2008-10-01	4.30098751326208
2009-01-01	3.77889447236182
2009-04-01	4.10298937724599
2009-07-01	4.32163538144652
2009-10-01	3.58372456964006
2010-01-01	3.00600426108849
2010-04-01	2.33669676048858
2010-07-01	1.82170398241626
2010-10-01	2.52303973409883
2011-01-01	2.47452145462752
2011-04-01	2.73185558603307
2011-07-01	2.90136104200205
2011-10-01	2.57147067491894
2012-01-01	2.17622665051929
2012-04-01	2.31282698899511
2012-07-01	2.25066666666667
2012-10-01	2.44594497521729
2013-01-01	2.05445011134258
2013-04-01	1.86203977994076
2013-07-01	1.58216844008624
2013-10-01	1.55663850226134
2014-01-01	1.22826775533186
2014-04-01	2.17421409777039
2014-07-01	2.45780987916339
2014-10-01	1.63634480615874
2015-01-01	1.47411605187222
2015-04-01	2.08728652751425
2015-07-01	2.68283719220876
2015-10-01	1.73227811555313
2016-01-01	2.10367629424057
2016-04-01	1.17830589484863
2016-07-01	1.71471334678205
2016-10-01	1.90978598377349
2017-01-01	2.65427334653201
2017-04-01	4.12032936390776
2017-07-01	4.20012155721185
2017-10-01	3.17793139599648
2018-01-01	2.87656903765689
2018-04-01	2.22754340086330
2018-07-01	2.49892552342360