Month Index source base, Not Seasonally adjusted 2009-12-01 103.108 2010-01-01 103.198 2010-02-01 102.993 2010-03-01 102.839 2010-04-01 102.167 2010-05-01 102.109 2010-06-01 101.782 2010-07-01 101.463 2010-08-01 101.265 2010-09-01 100.978 2010-10-01 100.996 2010-11-01 100.649 2010-12-01 100.487 2011-01-01 100.838 2011-02-01 100.965 2011-03-01 101.006 2011-04-01 101.120 2011-05-01 101.357 2011-06-01 101.388 2011-07-01 101.363 2011-08-01 101.535 2011-09-01 101.484 2011-10-01 101.668 2011-11-01 101.527 2011-12-01 101.605 2012-01-01 101.968 2012-02-01 102.322 2012-03-01 102.298 2012-04-01 102.301 2012-05-01 102.082 2012-06-01 102.195 2012-07-01 102.240 2012-08-01 101.913 2012-09-01 101.765 2012-10-01 101.751 2012-11-01 101.844 2012-12-01 101.577 2013-01-01 101.705 2013-02-01 101.831 2013-03-01 101.612 2013-04-01 101.497 2013-05-01 101.596 2013-06-01 101.644 2013-07-01 101.079 2013-08-01 100.812 2013-09-01 100.674 2013-10-01 100.598 2013-11-01 100.217 2013-12-01 100.000 2014-01-01 100.249 2014-02-01 100.010 2014-03-01 99.978 2014-04-01 99.973 2014-05-01 99.821 2014-06-01 99.965 2014-07-01 99.682 2014-08-01 99.250 2014-09-01 99.121 2014-10-01 99.631 2014-11-01 99.201 2014-12-01 98.842 2015-01-01 98.898 2015-02-01 98.994 2015-03-01 99.211 2015-04-01 99.753 2015-05-01 99.451 2015-06-01 99.303 2015-07-01 98.976 2015-08-01 98.472 2015-09-01 98.668 2015-10-01 98.625 2015-11-01 98.269 2015-12-01 98.313 2016-01-01 98.559 2016-02-01 98.460 2016-03-01 98.414 2016-04-01 98.233 2016-05-01 97.990 2016-06-01 97.788 2016-07-01 97.701 2016-08-01 97.253 2016-09-01 97.317 2016-10-01 97.598 2016-11-01 96.960 2016-12-01 96.835 2017-01-01 97.500 2017-02-01 97.593 2017-03-01 97.598 2017-04-01 97.457 2017-05-01 97.251 2017-06-01 97.145 2017-07-01 96.758 2017-08-01 96.550 2017-09-01 96.428 2017-10-01 96.450 2017-11-01 95.885 2017-12-01 95.926 2018-01-01 96.932 2018-02-01 97.150 2018-03-01 97.211 2018-04-01 97.788 2018-05-01 97.380 2018-06-01 97.271 2018-07-01 97.302 2018-08-01 97.087 2018-09-01 97.315