Quarter	Growth rate same period previous year
1999-01-01	1.736566186107480
1999-04-01	0.357026939305424
1999-07-01	1.072124756335290
1999-10-01	1.097482246610700
2000-01-01	0.837359098228657
2000-04-01	1.326002587322100
2000-07-01	0.739312118289922
2000-10-01	0.542784163473844
2001-01-01	0.958160332162249
2001-04-01	1.627832748164710
2001-07-01	2.456924058710920
2001-10-01	2.286440139726880
2002-01-01	2.720658019614040
2002-04-01	2.638190954773850
2002-07-01	1.463718467767060
2002-10-01	0.838248990996596
2003-01-01	0.369571912534627
2003-04-01	0.458996328029386
2003-07-01	1.074278698588070
2003-10-01	1.539408866995090
2004-01-01	1.104633323105270
2004-04-01	0.852878464818750
2004-07-01	1.609474643182510
2004-10-01	1.758641600970270
2005-01-01	2.276176024279200
2005-04-01	1.630927212322580
2005-07-01	2.510460251046030
2005-10-01	3.992848629320620
2006-01-01	4.688427299703280
2006-04-01	7.726597325408600
2006-07-01	10.379008746355700
2006-10-01	12.464183381088800
2007-01-01	14.965986394557800
2007-04-01	14.262068965517200
2007-07-01	10.961436872688800
2007-10-01	8.127388535031840
2008-01-01	6.459566074950670
2008-04-01	6.011588604538870
2008-07-01	5.760533206379430
2008-10-01	4.641847313854860
2009-01-01	2.616952292728140
2009-04-01	-0.182190844910038
2009-07-01	-0.855277965338731
2009-10-01	-1.913983337086240
2010-01-01	-2.595350936583150
2010-04-01	-1.368925393566050
2010-07-01	-1.997729852440420
2010-10-01	-0.918273645546379
2011-01-01	2.548656163113980
2011-04-01	4.533888503354150
2011-07-01	5.698401667824870
2011-10-01	7.947173308619100
2012-01-01	7.071848169905090
2012-04-01	6.196061075459170
2012-07-01	6.092483015559920
2012-10-01	5.537669027688350
2013-01-01	4.768938594640230
2013-04-01	4.959366534694750
2013-07-01	4.544515595951270
2013-10-01	3.091315842993690
2014-01-01	2.396777442094670
2014-04-01	1.588246972404190
2014-07-01	1.185536455246000
2014-10-01	1.440126257644520
2015-01-01	2.222659323367420
2015-04-01	1.758843072112580
2015-07-01	1.913688732669400
2015-10-01	1.901983663943990
2016-01-01	0.692707331152602
2016-04-01	0.172844248127514
2016-07-01	0.517340486683279
2016-10-01	0.271002710027096
2017-01-01	0.554175425186320
2017-04-01	0.766871165644164
2017-07-01	0.914982844071674
2017-10-01	1.294251998477350
2018-01-01	1.729380463702000
2018-04-01	1.331811263318120
2018-07-01	1.794484321873800