Quarter Percent Change from Year Ago, Seasonally Adjusted 1997-01-01 3.658540024216940 1997-04-01 4.734395244264940 1997-07-01 1.920073810121500 1997-10-01 3.761835674805680 1998-01-01 0.901627303442322 1998-04-01 1.492132641439140 1998-07-01 0.478692352597802 1998-10-01 -1.465205340889320 1999-01-01 0.642408909393048 1999-04-01 -0.402150111610982 1999-07-01 -0.513446602508413 1999-10-01 2.162464276146010 2000-01-01 3.734859329995880 2000-04-01 3.966443894253050 2000-07-01 5.417333097960210 2000-10-01 5.223067980921030 2001-01-01 3.105814615895930 2001-04-01 2.336679164379970 2001-07-01 0.528226553085223 2001-10-01 -1.136741627018900 2002-01-01 1.036295384257800 2002-04-01 2.281721369975080 2002-07-01 3.678005893143380 2002-10-01 5.246800380306890 2003-01-01 2.601002464018870 2003-04-01 0.767600920043054 2003-07-01 0.581902483279026 2003-10-01 0.631542466994864 2004-01-01 3.447172809958800 2004-04-01 6.250902652595110 2004-07-01 6.640326582299260 2004-10-01 6.335319053131720 2005-01-01 4.495448498527660 2005-04-01 4.427902251045190 2005-07-01 2.091302846555870 2005-10-01 2.700908407037770 2006-01-01 3.737921711952040 2006-04-01 2.241190252676260 2006-07-01 5.040127485942640 2006-10-01 4.825380935034670 2007-01-01 5.127479217405840 2007-04-01 6.524832909821020 2007-07-01 5.935719268394270 2007-10-01 6.164814216814750 2008-01-01 6.216212338888030 2008-04-01 6.316919159402020 2008-07-01 6.652652360761220 2008-10-01 0.998536458433503 2009-01-01 -2.024665993398800 2009-04-01 -2.213719626550260 2009-07-01 -1.177831488746260 2009-10-01 5.332072211896380 2010-01-01 8.975865294667920 2010-04-01 8.486128362145400 2010-07-01 7.087682589381710 2010-10-01 5.749496879824840 2011-01-01 4.978637475372810 2011-04-01 4.730188484697760 2011-07-01 3.643195417893460 2011-10-01 3.033075986505850 2012-01-01 1.250228954439120 2012-04-01 1.029295436474560 2012-07-01 2.990358603291510 2012-10-01 2.159566136458990 2013-01-01 2.735562620098270 2013-04-01 4.092533770341440 2013-07-01 2.476725315740820 2013-10-01 2.610310189977250 2014-01-01 3.203289743481940 2014-04-01 -0.392453617424620 2014-07-01 -0.602603235652827 2014-10-01 -0.124486903357609 2015-01-01 -1.733006761599950 2015-04-01 -2.660499259481840 2015-07-01 -4.295864626507540 2015-10-01 -5.534832185983820 2016-01-01 -5.515609757530410 2016-04-01 -3.392840855216410 2016-07-01 -2.705982752912930 2016-10-01 -2.061409545094450 2017-01-01 -0.151260062991060 2017-04-01 0.380872739119280 2017-07-01 1.823471376327800 2017-10-01 2.148248926312500 2018-01-01 1.226339541311860 2018-04-01 0.978870158103462