Quarter Growth Rate Same Period Previous Year 1981-01-01 235.271928664258000 1981-04-01 211.369753007451000 1981-07-01 213.180625154710000 1981-10-01 183.145672532567000 1982-01-01 167.997371829795000 1982-04-01 196.281765985639000 1982-07-01 217.224676741178000 1982-10-01 281.782548782594000 1983-01-01 232.142857492489000 1983-04-01 182.330263479147000 1983-07-01 121.137609303928000 1983-10-01 15.348570355396000 1984-01-01 34.694550758589200 1984-04-01 70.728453547186800 1984-07-01 125.129522823071000 1984-10-01 410.481246049745000 1985-01-01 492.941176470588000 1985-04-01 519.471947194719000 1985-07-01 509.613259668508000 1985-10-01 252.834740651387000 1986-01-01 149.246031746032000 1986-04-01 87.266915290357000 1986-07-01 26.046764545948900 1986-10-01 26.376068376068400 1987-01-01 42.684285941729000 1987-04-01 41.635846372688400 1987-07-01 42.378487201610600 1987-10-01 28.811037467875000 1988-01-01 -0.546752956929263 1988-04-01 -8.617053329316060 1988-07-01 -7.130592869407120 1988-10-01 0.399033917883039 1989-01-01 26.702569280825700 1989-04-01 42.345312671722200 1989-07-01 55.247417074497000 1989-10-01 69.145486873758000 1990-01-01 48.206853803240900 1990-04-01 43.344657195799900 1990-07-01 44.315236427320500 1990-10-01 21.970071728914200 1991-01-01 33.697795303817900 1991-04-01 46.951416567919900 1991-07-01 56.749672346002600 1991-10-01 61.647655259822500 1992-01-01 54.993967019707700 1992-04-01 41.403071509731300 1992-07-01 42.747429703951400 1992-10-01 68.242120119178300 1993-01-01 73.393305077415500 1993-04-01 62.671401539697800 1993-07-01 37.309094064560900 1993-10-01 43.648870330325900 1994-01-01 26.094981542452300 1994-04-01 -1.399047118249770 1994-07-01 -14.630138717730000 1994-10-01 -34.221830026343500 1995-01-01 -40.468937505769400 1995-04-01 -22.188464584107700 1995-07-01 0.222082392567654 1995-10-01 3.925978535353530 1996-01-01 21.520501517400300 1996-04-01 9.127915429188580 1996-07-01 -11.570705765040500 1996-10-01 -3.559360643912080 1997-01-01 18.582522148091400 1997-04-01 34.784180876979300 1997-07-01 62.758937520882100 1997-10-01 48.339664980414600 1998-01-01 11.097276025333600 1998-04-01 15.169229465836400 1998-07-01 0.704369916091464 1998-10-01 -2.976340547498040 1999-01-01 10.576856553804400 1999-04-01 21.320680692462300 1999-07-01 33.819163980583700 1999-10-01 54.387428540167900 2000-01-01 77.705061627979700 2000-04-01 37.675081350930800 2000-07-01 37.569023953692100 2000-10-01 14.581210966913300 2001-01-01 -18.404653095139200 2001-04-01 -21.286747164825500 2001-07-01 -24.686325667660900 2001-10-01 -18.970195987475400 2002-01-01 -1.801063205495520 2002-04-01 -3.997761924744720 2002-07-01 -8.779152040872610 2002-10-01 -7.849591634226380 2003-01-01 -17.256501067765800 2003-04-01 13.285347942650700 2003-07-01 25.062454669997600 2003-10-01 43.310796119319500 2004-01-01 69.664269858634400 2004-04-01 42.297963558413700 2004-07-01 28.697080997487000 2004-10-01 16.376588565937700 2005-01-01 14.026817908653800 2005-04-01 14.608176915428900 2005-07-01 22.351358117411400 2005-10-01 36.060169607271000 2006-01-01 29.899918199735400 2006-04-01 25.124869872448700 2006-07-01 13.496135411498100 2006-10-01 11.375095248741800 2007-01-01 10.512902871343200 2007-04-01 22.132907536189200 2007-07-01 31.427773045426100 2007-10-01 24.153908551248900 2008-01-01 3.351192593187470 2008-04-01 -7.469947498434570 2008-07-01 -17.416188856272800 2008-10-01 -41.937825646508300 2009-01-01 -34.200671965424800 2009-04-01 -19.391996906442200 2009-07-01 2.422546206518520 2009-10-01 54.554495959263000 2010-01-01 70.628261651970500 2010-04-01 35.674286874054400 2010-07-01 17.297439743771700 2010-10-01 15.458667186368100 2011-01-01 5.774871629237550 2011-04-01 2.781073739252220 2011-07-01 -8.598437716023780 2011-10-01 -19.122841100541100 2012-01-01 -17.856297127188900 2012-04-01 -14.143382146200400 2012-07-01 -4.778723581263240 2012-10-01 6.162703241227490 2013-01-01 4.774837652485270 2013-04-01 7.791827519514230 2013-07-01 11.785660389347300 2013-10-01 11.851763929123800 2014-01-01 14.998189848671400 2014-04-01 17.205784586350600 2014-07-01 17.024829208158200 2014-10-01 13.459172472798800 2015-01-01 10.238691885357400 2015-04-01 16.558203930274800 2015-07-01 15.474567781302700 2015-10-01 5.188302862905000 2016-01-01 -2.302018156843380 2016-04-01 -13.379189090899600 2016-07-01 -11.006390994245200 2016-10-01 -10.553064025830400 2017-01-01 -5.703136418111130 2017-04-01 -2.560137249453280 2017-07-01 -8.322280089686380 2017-10-01 -4.351878026883530 2018-01-01 -0.510850932581930 2018-04-01 -1.632982021078740 2018-07-01 7.813340808981110