Quarter Index 2015=100 2007-01-01 91.2307931088002 2007-04-01 90.4857985410523 2007-07-01 91.3239174297688 2007-10-01 91.4170417507372 2008-01-01 91.6032903926742 2008-04-01 90.9514201458948 2008-07-01 90.1753841378240 2008-10-01 89.5235138910446 2009-01-01 90.1133012571784 2009-04-01 90.3926742200838 2009-07-01 93.2795281701071 2009-10-01 92.0999534378396 2010-01-01 92.3482849604222 2010-04-01 92.5345336023592 2010-07-01 92.3172435200994 2010-10-01 92.2862020797765 2011-01-01 92.3172435200994 2011-04-01 92.7518236846190 2011-07-01 93.6209840136582 2011-10-01 93.1864038491386 2012-01-01 96.4457550830359 2012-04-01 96.0732577991619 2012-07-01 97.6563712556263 2012-10-01 98.7117802266026 2013-01-01 99.1463603911222 2013-04-01 99.2084432717678 2013-07-01 99.0221946298308 2013-10-01 99.0842775104765 2014-01-01 99.9534378395158 2014-04-01 99.9223963991929 2014-07-01 100.3880180040350 2014-10-01 99.2084432717678 2015-01-01 99.1463603911222 2015-04-01 99.0532360701537 2015-07-01 101.1330125717830 2015-10-01 100.6673909669410 2016-01-01 100.6363495266180 2016-04-01 100.7294738475870 2016-07-01 100.5742666459720 2016-10-01 101.0088468104920 2017-01-01 99.0842775104765 2017-04-01 97.9295359304672 2017-07-01 97.2466242433649 2017-10-01 96.5388794040044 2018-01-01 92.6586993636505 2018-04-01 92.2241191991309 2018-07-01 92.1309948781624