Quarter	Growth rate same period previous year
1999-01-01	1.80609821156969
1999-04-01	2.30827488535057
1999-07-01	2.09756941989960
1999-10-01	1.66996871222483
2000-01-01	2.18431991059856
2000-04-01	1.90260243311982
2000-07-01	2.11379879493181
2000-10-01	2.09738570054902
2001-01-01	1.50527800666351
2001-04-01	2.00214214966029
2001-07-01	2.49499763811093
2001-10-01	3.39640676521353
2002-01-01	4.44423119910006
2002-04-01	4.53875624062140
2002-07-01	4.58040448666584
2002-10-01	3.99497759216466
2003-01-01	3.78969654275132
2003-04-01	3.70461889349073
2003-07-01	3.01321481283330
2003-10-01	3.15125354181370
2004-01-01	2.51735199975237
2004-04-01	2.33612102555321
2004-07-01	2.76628343322987
2004-10-01	2.62227542292891
2005-01-01	2.93741901908954
2005-04-01	2.67043772640166
2005-07-01	2.89200122492409
2005-10-01	3.05682957268528
2006-01-01	2.92583439902193
2006-04-01	3.02730395234061
2006-07-01	3.05265619215472
2006-10-01	2.41087219696085
2007-01-01	2.79489133680305
2007-04-01	2.82038518296169
2007-07-01	2.51349127125173
2007-10-01	2.62164920427856
2008-01-01	3.07107420944018
2008-04-01	3.35077181848727
2008-07-01	4.29245379945104
2008-10-01	5.16929607673054
2009-01-01	4.33797944054121
2009-04-01	3.90317944063212
2009-07-01	3.25689140432575
2009-10-01	2.53721781295131
2010-01-01	2.30784789305941
2010-04-01	2.13250661876491
2010-07-01	2.01675711753952
2010-10-01	2.32952673698049
2011-01-01	2.57445419853789
2011-04-01	2.78829794488153
2011-07-01	2.76086863082416
2011-10-01	2.44690837471649
2012-01-01	2.43919638727827
2012-04-01	2.77910401611553
2012-07-01	2.79154552173678
2012-10-01	2.73430289681161
2013-01-01	2.54241162523961
2013-04-01	2.17790524505952
2013-07-01	2.30801383932410
2013-10-01	2.54910525419179
2014-01-01	2.65408440164963
2014-04-01	2.05008645621683
2014-07-01	1.15022835480464
2014-10-01	1.71557496821541
2015-01-01	2.39629677695950
2015-04-01	3.13804840691085
2015-07-01	2.97940938607642
2015-10-01	2.93289873877638
2016-01-01	3.35440016813658
2016-04-01	3.09572378276206
2016-07-01	3.40458157974936
2016-10-01	2.75058542995852
2017-01-01	2.84651191913121
2017-04-01	3.14213463871777
2017-07-01	3.26219375734226
2017-10-01	3.87492533770646
2018-01-01	3.00139485936773
2018-04-01	1.60280316495318
2018-07-01	2.00047348484850