Quarter	Growth rate same period previous year
1997-01-01	63.44143526811850000
1997-04-01	37.72684118981760000
1997-07-01	13.76831035202530000
1997-10-01	9.45872060150775000
1998-01-01	5.40941975716110000
1998-04-01	6.08865418205453000
1998-07-01	3.12632012259644000
1998-10-01	0.83631986629033700
1999-01-01	-1.92964964130961000
1999-04-01	5.75738062363538000
1999-07-01	15.70520985417610000
1999-10-01	24.38749929214310000
2000-01-01	22.16600593321940000
2000-04-01	17.16631604806130000
2000-07-01	9.96085529529099000
2000-10-01	9.25989236661140000
2001-01-01	3.56036908230064000
2001-04-01	1.80596823721846000
2001-07-01	0.10947507418236300
2001-10-01	-7.43063345255986000
2002-01-01	-8.66540225350131000
2002-04-01	-1.56393492131348000
2002-07-01	0.64971639227974600
2002-10-01	6.25753061975717000
2003-01-01	15.04642404153210000
2003-04-01	5.97794297225464000
2003-07-01	6.07092629722680000
2003-10-01	3.96183891240512000
2004-01-01	1.26876254339435000
2004-04-01	13.58227009025150000
2004-07-01	17.04625631310580000
2004-10-01	23.36662071727490000
2005-01-01	24.70429446356600000
2005-04-01	21.70059978315520000
2005-07-01	28.72262728681580000
2005-10-01	22.85749441676300000
2006-01-01	16.60971902442370000
2006-04-01	17.35502706212460000
2006-07-01	6.25639498491884000
2006-10-01	-5.99965884842429000
2007-01-01	-0.00325598429921159
2007-04-01	-0.34625947194858000
2007-07-01	0.84964232310403700
2007-10-01	19.06261869240430000
2008-01-01	23.27237164742440000
2008-04-01	20.67228378834630000
2008-07-01	22.37101429784390000
2008-10-01	-2.92733247592380000
2009-01-01	-16.01945993962260000
2009-04-01	-12.42641115408630000
2009-07-01	-10.93616341248650000
2009-10-01	7.66655224074899000
2010-01-01	22.38092768159060000
2010-04-01	15.45607990759690000
2010-07-01	9.45104520366884000
2010-10-01	12.08782452626050000
2011-01-01	17.31931453920740000
2011-04-01	17.53856287683300000
2011-07-01	18.31964626240990000
2011-10-01	16.72571744145510000
2012-01-01	11.13233744574350000
2012-04-01	7.09604382346786000
2012-07-01	6.46633743755337000
2012-10-01	4.62494874515384000
2013-01-01	-0.49739143296149800
2013-04-01	-5.26194478537725000
2013-07-01	-3.18451323310490000
2013-10-01	-5.10387297913848000
2014-01-01	-4.16358248248080000
2014-04-01	-0.96367863894476400
2014-07-01	-2.70101663326556000
2014-10-01	-6.59653752315861000
2015-01-01	-16.77855833210170000
2015-04-01	-11.47125642702310000
2015-07-01	-14.38569345365550000
2015-10-01	-15.21289547598710000
2016-01-01	-11.61806732146630000
2016-04-01	-12.60886007307250000
2016-07-01	-9.25981203826449000
2016-10-01	3.45425740233450000
2017-01-01	17.27078579918490000
2017-04-01	7.49096195796488000
2017-07-01	4.03139008888203000
2017-10-01	5.15222744074947000
2018-01-01	4.98258667408790000
2018-04-01	11.79372240025940000
2018-07-01	19.21899541000320000