Quarter Index 2010=100 2009-01-01 119.01 2009-04-01 112.79 2009-07-01 112.29 2009-10-01 114.83 2010-01-01 106.25 2010-04-01 103.86 2010-07-01 97.01 2010-10-01 93.34 2011-01-01 87.80 2011-04-01 85.01 2011-07-01 81.10 2011-10-01 77.68 2012-01-01 79.05 2012-04-01 78.08 2012-07-01 74.22 2012-10-01 73.33 2013-01-01 74.32 2013-04-01 73.61 2013-07-01 72.26 2013-10-01 71.99 2014-01-01 71.63 2014-04-01 70.36 2014-07-01 70.01 2014-10-01 71.17 2015-01-01 73.14 2015-04-01 72.37 2015-07-01 73.38 2015-10-01 74.07 2016-01-01 77.07 2016-04-01 79.31 2016-07-01 78.97 2016-10-01 79.93 2017-01-01 80.91 2017-04-01 84.43 2017-07-01 82.66 2017-10-01 81.90 2018-01-01 82.38 2018-04-01 83.92