Quarter	Growth rate same period previous year
1980-01-01	2.544910179640740
1980-04-01	5.794947994056470
1980-07-01	8.296296296296300
1980-10-01	10.074074074074100
1981-01-01	10.948905109489000
1981-04-01	11.516853932584300
1981-07-01	11.217510259917900
1981-10-01	10.497981157469700
1982-01-01	11.447368421052600
1982-04-01	13.350125944584400
1982-07-01	13.038130381303800
1982-10-01	12.423873325213200
1983-01-01	11.334120425029500
1983-04-01	9.000000000000010
1983-07-01	8.269858541893360
1983-10-01	8.342361863488610
1984-01-01	7.847295864262970
1984-04-01	7.237512742099900
1984-07-01	7.035175879396980
1984-10-01	7.100000000000020
1985-01-01	6.293018682399240
1985-04-01	4.847908745247170
1985-07-01	4.225352112676080
1985-10-01	4.295051353874880
1986-01-01	4.532839962997200
1986-04-01	4.714415231187650
1986-07-01	4.954954954954950
1986-10-01	5.192479856759170
1987-01-01	5.486725663716810
1987-04-01	5.800865800865800
1987-07-01	6.008583690987120
1987-10-01	6.127659574468090
1988-01-01	6.627516778523500
1988-04-01	7.937806873977100
1988-07-01	8.502024291497980
1988-10-01	8.500400962309540
1989-01-01	8.261211644374490
1989-04-01	7.505686125852920
1989-07-01	7.388059701492530
1989-10-01	7.317073170731700
1990-01-01	7.194767441860480
1990-04-01	6.770098730606480
1990-07-01	6.184850590687970
1990-10-01	5.853994490358120
1991-01-01	5.423728813559330
1991-04-01	5.019815059445180
1991-07-01	4.646596858638760
1991-10-01	4.489264801561490
1992-01-01	4.115755627009640
1992-04-01	3.459119496855340
1992-07-01	3.627267041901180
1992-10-01	3.798256537982580
1993-01-01	3.705991352686850
1993-04-01	3.161094224924010
1993-07-01	2.715751357875680
1993-10-01	2.159568086382700
1994-01-01	1.369863013698620
1994-04-01	0.471420153211537
1994-07-01	0.352526439482962
1994-10-01	0.469759248385229
1995-01-01	0.881316098707404
1995-04-01	1.348973607038150
1995-07-01	1.756440281030450
1995-10-01	1.987142022209210
1996-01-01	1.863715783343050
1996-04-01	1.967592592592590
1996-07-01	1.611047180667430
1996-10-01	1.489971346704860
1997-01-01	1.715265866209260
1997-04-01	2.043132803632240
1997-07-01	2.831257078142680
1997-10-01	3.049124788255230
1998-01-01	2.922990444069680
1998-04-01	2.558398220244690
1998-07-01	2.147577092511020
1998-10-01	1.753424657534250
1999-01-01	2.129983615510670
1999-04-01	2.928416485900240
1999-07-01	2.803234501347720
1999-10-01	3.284868066774380
2000-01-01	4.171122994652390
2000-04-01	3.371970495258160
2000-07-01	4.090194022024120
2000-10-01	4.171011470281530
2001-01-01	4.055441478439440
2001-04-01	3.924566768603470
2001-07-01	3.526448362720380
2001-10-01	3.903903903903870
2002-01-01	4.193389245189930
2002-04-01	4.708190289357500
2002-07-01	4.866180048661820
2002-10-01	4.094412331406580
2003-01-01	3.977272727272730
2003-04-01	4.262295081967230
2003-07-01	3.805104408352670
2003-10-01	3.887089310504400
2004-01-01	2.686703096539170
2004-04-01	1.841868823000920
2004-07-01	1.698703620920880
2004-10-01	1.826280623608010
2005-01-01	1.995565410199530
2005-04-01	2.117335685928510
2005-07-01	2.021978021978020
2005-10-01	1.924759405074370
2006-01-01	2.173913043478270
2006-04-01	2.159827213822920
2006-07-01	2.326583369237390
2006-10-01	2.360515021459220
2007-01-01	2.085106382978720
2007-04-01	1.691331923890060
2007-07-01	1.810526315789470
2007-10-01	2.054507337526190
2008-01-01	2.501042100875370
2008-04-01	3.201663201663200
2008-07-01	3.184449958643510
2008-10-01	3.122432210353330
2009-01-01	3.700691337942250
2009-04-01	3.505237711522960
2009-07-01	3.567134268537080
2009-10-01	2.988047808764960
2010-01-01	3.176470588235310
2010-04-01	2.724795640326990
2010-07-01	2.515479876160980
2010-10-01	2.978723404255310
2011-01-01	2.280501710376260
2011-04-01	2.197802197802200
2011-07-01	2.302755756889390
2011-10-01	2.216378662659660
2012-01-01	1.820884429580100
2012-04-01	1.928068223952540
2012-07-01	1.881918819188190
2012-10-01	2.021315692760000
2013-01-01	2.700729927007290
2013-04-01	3.055656602400880
2013-07-01	3.295907279971040
2013-10-01	3.386167146974070
2014-01-01	2.736318407960190
2014-04-01	2.647370278856350
2014-07-01	2.769985974754540
2014-10-01	2.648083623693390
2015-01-01	3.043929436181250
2015-04-01	2.957359009628580
2015-07-01	2.695325827362660
2015-10-01	2.376103190767140
2016-01-01	1.946962067807990
2016-04-01	1.903807615230480
2016-07-01	1.860465116279090
2016-10-01	1.989389920424380
2017-01-01	2.304906157392170
2017-04-01	2.163225172074710
2017-07-01	2.022178734507500
2017-10-01	2.015604681404440
2018-01-01	1.738010943031840
2018-04-01	1.796599294193150
2018-07-01	1.694373401534530