Month Index source base, Not Seasonally adjusted 2009-12-01 92.011 2010-01-01 92.260 2010-02-01 92.239 2010-03-01 92.904 2010-04-01 92.832 2010-05-01 92.960 2010-06-01 92.820 2010-07-01 92.586 2010-08-01 92.032 2010-09-01 91.771 2010-10-01 91.910 2010-11-01 91.852 2010-12-01 92.104 2011-01-01 92.227 2011-02-01 92.593 2011-03-01 93.156 2011-04-01 94.355 2011-05-01 94.455 2011-06-01 94.271 2011-07-01 94.362 2011-08-01 94.704 2011-09-01 94.621 2011-10-01 95.535 2011-11-01 95.609 2011-12-01 95.643 2012-01-01 95.969 2012-02-01 96.154 2012-03-01 96.207 2012-04-01 96.987 2012-05-01 97.364 2012-06-01 97.843 2012-07-01 98.015 2012-08-01 98.089 2012-09-01 97.388 2012-10-01 97.565 2012-11-01 98.217 2012-12-01 98.197 2013-01-01 98.974 2013-02-01 99.168 2013-03-01 99.224 2013-04-01 99.241 2013-05-01 99.257 2013-06-01 99.906 2013-07-01 99.984 2013-08-01 99.917 2013-09-01 100.180 2013-10-01 100.380 2013-11-01 100.239 2013-12-01 100.000 2014-01-01 100.234 2014-02-01 100.658 2014-03-01 100.547 2014-04-01 100.278 2014-05-01 100.496 2014-06-01 100.367 2014-07-01 101.040 2014-08-01 101.050 2014-09-01 101.334 2014-10-01 101.727 2014-11-01 101.660 2014-12-01 102.055 2015-01-01 102.225 2015-02-01 102.460 2015-03-01 102.481 2015-04-01 102.615 2015-05-01 102.686 2015-06-01 103.324 2015-07-01 102.670 2015-08-01 102.423 2015-09-01 102.563 2015-10-01 103.081 2015-11-01 103.245 2015-12-01 102.841 2016-01-01 102.853 2016-02-01 103.602 2016-03-01 103.751 2016-04-01 102.702 2016-05-01 103.436 2016-06-01 103.647 2016-07-01 103.678 2016-08-01 103.483 2016-09-01 103.516 2016-10-01 104.377 2016-11-01 104.818 2016-12-01 105.643 2017-01-01 105.589 2017-02-01 105.762 2017-03-01 106.553 2017-04-01 106.754 2017-05-01 107.549 2017-06-01 107.864 2017-07-01 107.826 2017-08-01 107.405 2017-09-01 107.277 2017-10-01 107.357 2017-11-01 107.475 2017-12-01 107.932 2018-01-01 108.186 2018-02-01 111.911 2018-03-01 112.027 2018-04-01 112.079 2018-05-01 111.758 2018-06-01 111.798 2018-07-01 112.475 2018-08-01 110.526 2018-09-01 110.651