Quarter	Growth rate same period previous year
1998-01-01	0.265869059488208
1998-04-01	0.365934797072529
1998-07-01	-0.198807157057642
1998-10-01	-0.856108001317074
1999-01-01	0.397746105402693
1999-04-01	0.596619158104089
1999-07-01	0.896414342629467
1999-10-01	1.262039189637990
2000-01-01	1.460335730006000
2000-04-01	2.008818585994500
2000-07-01	2.350601599496410
2000-10-01	2.387727780263130
2001-01-01	2.656355077336920
2001-04-01	2.403204272363170
2001-07-01	2.524916943521630
2001-10-01	2.648129758358170
2002-01-01	2.980674746151350
2002-04-01	3.552803129074330
2002-07-01	3.564484769928680
2002-10-01	3.224766204450160
2003-01-01	3.085241730279850
2003-04-01	2.612527541706000
2003-07-01	2.284105131414270
2003-10-01	2.374258044361150
2004-01-01	2.622647331070680
2004-04-01	2.852760736196310
2004-07-01	2.814316304680350
2004-10-01	3.387244430881900
2005-01-01	3.280763133439010
2005-04-01	3.065639996746460
2005-07-01	2.581122140777000
2005-10-01	1.628027619763160
2006-01-01	1.872283517218320
2006-04-01	0.963775340644746
2006-07-01	1.432378414390410
2006-10-01	1.801200800533680
2007-01-01	2.001969149983610
2007-04-01	2.402896642527990
2007-07-01	2.692939244663370
2007-10-01	2.653997378768020
2008-01-01	2.574002574002550
2008-04-01	3.214400514304070
2008-07-01	2.974096578189960
2008-10-01	3.351420363868520
2009-01-01	3.324968632371410
2009-04-01	3.425724073497360
2009-07-01	3.322981366459620
2009-10-01	3.273625694873350
2010-01-01	2.944748026715250
2010-04-01	2.649804275820540
2010-07-01	2.885482416591530
2010-10-01	2.811004784688990
2011-01-01	2.859587044039930
2011-04-01	3.184694673310340
2011-07-01	3.328032357454920
2011-10-01	3.274549127942000
2012-01-01	3.100522193211500
2012-04-01	2.783171521035610
2012-07-01	2.767943353717400
2012-10-01	2.725232446296900
2013-01-01	1.994301994301990
2013-04-01	2.015113350125950
2013-07-01	1.597243971186980
2013-10-01	1.217228464419470
2014-01-01	1.707014276846680
2014-04-01	1.728395061728380
2014-07-01	1.448828606658440
2014-10-01	1.880974406413810
2015-01-01	1.764830683967730
2015-04-01	1.993058889226330
2015-07-01	2.148016438435140
2015-10-01	1.847712951674020
2016-01-01	2.080536912751680
2016-04-01	1.331557922769650
2016-07-01	1.464713715046600
2016-10-01	1.363485201197210
2017-01-01	0.986193293885602
2017-04-01	1.642575558475710
2017-07-01	1.640419947506560
2017-10-01	1.673228346456680
2018-01-01	2.246093749999990
2018-04-01	1.874595992243040
2018-07-01	2.130406714009040