Quarter Index 2010=100 2009-01-01 111.01 2009-04-01 106.21 2009-07-01 105.83 2009-10-01 109.53 2010-01-01 103.67 2010-04-01 102.05 2010-07-01 98.27 2010-10-01 96.01 2011-01-01 92.13 2011-04-01 90.44 2011-07-01 85.58 2011-10-01 82.60 2012-01-01 85.11 2012-04-01 84.61 2012-07-01 81.51 2012-10-01 81.74 2013-01-01 84.48 2013-04-01 84.00 2013-07-01 82.01 2013-10-01 81.64 2014-01-01 82.29 2014-04-01 81.04 2014-07-01 80.31 2014-10-01 81.66 2015-01-01 84.50 2015-04-01 83.45 2015-07-01 82.71 2015-10-01 83.95 2016-01-01 86.71 2016-04-01 89.16 2016-07-01 88.55 2016-10-01 90.09 2017-01-01 91.15 2017-04-01 95.59 2017-07-01 94.06 2017-10-01 95.15 2018-01-01 97.12 2018-04-01 100.10