Month Index source base, Not Seasonally adjusted 2009-12-01 100.179 2010-01-01 100.352 2010-02-01 100.288 2010-03-01 100.310 2010-04-01 100.363 2010-05-01 100.360 2010-06-01 100.295 2010-07-01 100.374 2010-08-01 100.372 2010-09-01 100.352 2010-10-01 100.195 2010-11-01 100.105 2010-12-01 99.627 2011-01-01 99.518 2011-02-01 99.535 2011-03-01 99.553 2011-04-01 99.467 2011-05-01 99.350 2011-06-01 99.405 2011-07-01 99.240 2011-08-01 99.275 2011-09-01 99.303 2011-10-01 99.394 2011-11-01 99.306 2011-12-01 99.408 2012-01-01 99.791 2012-02-01 99.993 2012-03-01 100.096 2012-04-01 100.270 2012-05-01 100.387 2012-06-01 100.330 2012-07-01 99.843 2012-08-01 99.354 2012-09-01 99.380 2012-10-01 99.512 2012-11-01 99.536 2012-12-01 99.595 2013-01-01 99.959 2013-02-01 100.441 2013-03-01 100.609 2013-04-01 100.065 2013-05-01 100.032 2013-06-01 99.888 2013-07-01 99.815 2013-08-01 99.811 2013-09-01 100.002 2013-10-01 100.088 2013-11-01 100.020 2013-12-01 100.000 2014-01-01 100.346 2014-02-01 100.262 2014-03-01 100.312 2014-04-01 100.456 2014-05-01 100.385 2014-06-01 100.325 2014-07-01 100.376 2014-08-01 100.343 2014-09-01 100.264 2014-10-01 99.370 2014-11-01 98.962 2014-12-01 98.739 2015-01-01 98.761 2015-02-01 98.664 2015-03-01 98.450 2015-04-01 98.400 2015-05-01 97.895 2015-06-01 97.853 2015-07-01 97.775 2015-08-01 97.937 2015-09-01 98.163 2015-10-01 98.427 2015-11-01 98.724 2015-12-01 98.688 2016-01-01 98.972 2016-02-01 98.616 2016-03-01 98.726 2016-04-01 98.601 2016-05-01 98.222 2016-06-01 98.009 2016-07-01 97.697 2016-08-01 97.764 2016-09-01 96.909 2016-10-01 96.445 2016-11-01 96.675 2016-12-01 96.605 2017-01-01 96.592 2017-02-01 96.203 2017-03-01 92.763 2017-04-01 92.162 2017-05-01 91.907 2017-06-01 91.505 2017-07-01 91.076 2017-08-01 91.037 2017-09-01 91.115 2017-10-01 91.273 2017-11-01 91.553 2017-12-01 91.725 2018-01-01 91.726 2018-02-01 91.326 2018-03-01 91.171 2018-04-01 91.031 2018-05-01 91.318 2018-06-01 91.583 2018-07-01 91.793 2018-08-01 91.465 2018-09-01 91.526