Month Index source base, Not Seasonally adjusted 2009-12-01 100.062 2010-01-01 100.170 2010-02-01 100.167 2010-03-01 100.206 2010-04-01 100.406 2010-05-01 100.267 2010-06-01 100.290 2010-07-01 100.158 2010-08-01 100.000 2010-09-01 99.693 2010-10-01 99.578 2010-11-01 99.469 2010-12-01 98.968 2011-01-01 99.180 2011-02-01 99.644 2011-03-01 99.811 2011-04-01 99.891 2011-05-01 100.024 2011-06-01 99.839 2011-07-01 99.729 2011-08-01 99.687 2011-09-01 99.580 2011-10-01 99.428 2011-11-01 99.359 2011-12-01 99.421 2012-01-01 100.014 2012-02-01 100.210 2012-03-01 100.403 2012-04-01 100.359 2012-05-01 100.423 2012-06-01 100.702 2012-07-01 100.530 2012-08-01 100.430 2012-09-01 100.372 2012-10-01 100.236 2012-11-01 100.223 2012-12-01 99.899 2013-01-01 100.264 2013-02-01 100.678 2013-03-01 100.714 2013-04-01 100.646 2013-05-01 100.757 2013-06-01 100.564 2013-07-01 100.506 2013-08-01 100.347 2013-09-01 100.249 2013-10-01 100.250 2013-11-01 100.323 2013-12-01 100.000 2014-01-01 100.237 2014-02-01 100.558 2014-03-01 100.637 2014-04-01 100.825 2014-05-01 100.782 2014-06-01 100.749 2014-07-01 100.529 2014-08-01 100.079 2014-09-01 100.018 2014-10-01 100.146 2014-11-01 99.815 2014-12-01 99.657 2015-01-01 99.919 2015-02-01 100.253 2015-03-01 100.436 2015-04-01 100.574 2015-05-01 100.691 2015-06-01 100.672 2015-07-01 100.512 2015-08-01 100.292 2015-09-01 100.330 2015-10-01 100.459 2015-11-01 100.186 2015-12-01 99.994 2016-01-01 100.255 2016-02-01 100.705 2016-03-01 100.973 2016-04-01 101.254 2016-05-01 101.142 2016-06-01 101.197 2016-07-01 100.909 2016-08-01 100.700 2016-09-01 100.612 2016-10-01 100.377 2016-11-01 100.391 2016-12-01 100.239 2017-01-01 100.861 2017-02-01 101.660 2017-03-01 101.744 2017-04-01 101.745 2017-05-01 101.683 2017-06-01 101.642 2017-07-01 101.922 2017-08-01 101.771 2017-09-01 101.647 2017-10-01 101.538 2017-11-01 101.358 2017-12-01 101.146 2018-01-01 101.399 2018-02-01 101.761 2018-03-01 101.901 2018-04-01 101.656 2018-05-01 101.629 2018-06-01 101.693 2018-07-01 101.660 2018-08-01 101.436 2018-09-01 101.634