Quarter Growth rate same period previous year 1968-01-01 15.934065934066000 1968-04-01 14.814814814814800 1968-07-01 5.825242718446600 1968-10-01 4.784688995215310 1969-01-01 4.028436018957340 1969-04-01 2.764976958525350 1969-07-01 4.587155963302750 1969-10-01 6.621004566210060 1970-01-01 7.289293849658310 1970-04-01 7.847533632286990 1970-07-01 8.333333333333320 1970-10-01 6.638115631691630 1971-01-01 5.732484076433110 1971-04-01 6.444906444906420 1971-07-01 5.263157894736870 1971-10-01 6.626506024096400 1972-01-01 7.831325301204840 1972-04-01 8.203125000000030 1972-07-01 8.269230769230750 1972-10-01 8.097928436911480 1973-01-01 8.566108007448780 1973-04-01 9.747292418772540 1973-07-01 10.657193605683900 1973-10-01 12.195121951219500 1974-01-01 13.379073756432200 1974-04-01 14.144736842105300 1974-07-01 14.606741573033700 1974-10-01 16.925465838509300 1975-01-01 16.944024205748900 1975-04-01 14.553314121037500 1975-07-01 13.305322128851500 1975-10-01 6.905710491367840 1976-01-01 6.209573091849940 1976-04-01 7.295597484276730 1976-07-01 7.292954264524110 1976-10-01 10.310559006211200 1977-01-01 9.500609013398300 1977-04-01 10.902696365767900 1977-07-01 10.829493087557600 1977-10-01 13.175675675675700 1978-01-01 13.085720244716300 1978-04-01 10.258654862579300 1978-07-01 10.620777027027000 1978-10-01 8.777985074626850 1979-01-01 8.311688311688320 1979-04-01 8.354430379746820 1979-07-01 9.181141439205960 1979-10-01 8.695652173913050 1980-01-01 9.112709832134300 1980-04-01 8.878504672897210 1980-07-01 9.772727272727260 1980-10-01 9.999999999999990 1981-01-01 11.857666143380400 1981-04-01 13.995503780911500 1981-07-01 12.288277629892500 1981-10-01 12.779220779220800 1982-01-01 12.187500000000000 1982-04-01 11.976047904191600 1982-07-01 11.143695014662800 1982-10-01 11.965811965812000 1983-01-01 11.977715877437300 1983-04-01 10.695187165775400 1983-07-01 10.290237467018500 1983-10-01 9.160305343511460 1984-01-01 8.457711442786080 1984-04-01 7.246376811594210 1984-07-01 7.177033492822950 1984-10-01 5.594405594405590 1985-01-01 5.504587155963310 1985-04-01 5.180180180180180 1985-07-01 5.133928571428590 1985-10-01 4.635761589403980 1986-01-01 3.260869565217380 1986-04-01 3.426124197002150 1986-07-01 3.609341825902330 1986-10-01 3.375527426160330 1987-01-01 5.052631578947380 1987-04-01 6.004140786749470 1987-07-01 5.942622950819670 1987-10-01 6.734693877551020 1988-01-01 7.615230460921850 1988-04-01 6.250000000000010 1988-07-01 5.996131528046430 1988-10-01 5.927342256214160 1989-01-01 5.400372439478570 1989-04-01 4.595588235294100 1989-07-01 4.562043795620420 1989-10-01 4.332129963898900 1990-01-01 3.533568904593660 1990-04-01 3.866432337434110 1990-07-01 3.664921465968600 1990-10-01 3.633217993079600 1991-01-01 3.583617747440270 1991-04-01 3.722504230118440 1991-07-01 4.040404040404020 1991-10-01 4.006677796327220 1992-01-01 3.657331136738050 1992-04-01 3.866231647634580 1992-07-01 3.430420711974130 1992-10-01 3.049759229534490 1993-01-01 2.670057215511770 1993-04-01 2.198837757185490 1993-07-01 2.409261576971210 1993-10-01 2.414330218068520 1994-01-01 2.383900928792580 1994-04-01 2.551098816658980 1994-07-01 2.474793767186060 1994-10-01 2.570342205323200 1995-01-01 2.600544299969770 1995-04-01 2.517608272141490 1995-07-01 2.415026833631480 1995-10-01 2.520759193357090 1996-01-01 2.431476569407560 1996-04-01 2.397310334746370 1996-07-01 2.328966521106280 1996-10-01 2.256291582296750 1997-01-01 2.488850525104320 1997-04-01 2.426837972876510 1997-07-01 2.731152204836410 1997-10-01 2.263083451202290 1998-01-01 2.035373385738340 1998-04-01 1.993031358885020 1998-07-01 1.910828025477710 1998-10-01 2.143845089903190 1999-01-01 2.393726784977300 1999-04-01 3.101940420880010 1999-07-01 3.165760869565220 1999-10-01 3.642518618821930 2000-01-01 4.110248971207240 2000-04-01 3.951380965754060 2000-07-01 3.752114298095780 2000-10-01 3.330383345293500 2001-01-01 3.038693476802000 2001-04-01 3.098739536686700 2001-07-01 3.473913476574860 2001-10-01 3.937508386006470 2002-01-01 4.449725096323120 2002-04-01 4.494699361007720 2002-07-01 4.788670973379080 2002-10-01 4.507124139136130 2003-01-01 4.733202073799900 2003-04-01 4.240550357691230 2003-07-01 3.315808636666690 2003-10-01 2.548540921851660 2004-01-01 2.972341571986400 2004-04-01 2.978869286319500 2004-07-01 3.541211094859100 2004-10-01 3.861880212875100 2005-01-01 2.746165243859930 2005-04-01 2.488687810399640 2005-07-01 2.161761542475180 2005-10-01 1.899667637147920 2006-01-01 2.428392057531790 2006-04-01 2.272138299570480 2006-07-01 2.675017889660550 2006-10-01 2.743117885237080 2007-01-01 2.694269097080100 2007-04-01 2.677835397237810 2007-07-01 2.390792311092490 2007-10-01 2.526036895701170 2008-01-01 3.012332984462940 2008-04-01 3.018108502341240 2008-07-01 2.845800605920550 2008-10-01 3.836442443574510 2009-01-01 3.881910073595240 2009-04-01 3.755270254674170 2009-07-01 4.059992053458830 2009-10-01 2.913650665906380 2010-01-01 2.188320028319910 2010-04-01 2.462654348258660 2010-07-01 2.494447923615400 2010-10-01 2.785093758697730 2011-01-01 2.804196309128220 2011-04-01 2.248533883247120 2011-07-01 1.980881750590850 2011-10-01 1.631001253415340 2012-01-01 2.383995624868080 2012-04-01 2.632925253992420 2012-07-01 2.703334030623120 2012-10-01 2.510618512777410 2013-01-01 1.375933129471590 2013-04-01 1.263542076949990 2013-07-01 1.235309755399290 2013-10-01 1.945009115788990 2014-01-01 1.862345534250180 2014-04-01 1.868235905875730 2014-07-01 1.821472022384140 2014-10-01 1.349416074425820 2015-01-01 1.291340765900190 2015-04-01 1.079119748665070 2015-07-01 1.385604517402050 2015-10-01 1.525067164719560 2016-01-01 1.680300932692750 2016-04-01 2.128856901809380 2016-07-01 1.824924505639160 2016-10-01 0.814250974604408 2017-01-01 0.950554401295522 2017-04-01 1.697610218270390 2017-07-01 3.540505374065180 2017-10-01 2.942864711336300 2018-01-01 2.196686664237350 2018-04-01 1.688416662164900 2018-07-01 1.884595507740870