Month Index source base, Not Seasonally adjusted 2009-12-01 88.200 2010-01-01 89.444 2010-02-01 88.764 2010-03-01 90.216 2010-04-01 91.286 2010-05-01 91.734 2010-06-01 90.498 2010-07-01 90.677 2010-08-01 90.907 2010-09-01 90.278 2010-10-01 91.166 2010-11-01 91.825 2010-12-01 93.426 2011-01-01 94.913 2011-02-01 96.145 2011-03-01 100.753 2011-04-01 104.113 2011-05-01 106.039 2011-06-01 104.022 2011-07-01 103.651 2011-08-01 103.570 2011-09-01 103.041 2011-10-01 101.128 2011-11-01 100.562 2011-12-01 98.945 2012-01-01 100.202 2012-02-01 102.289 2012-03-01 105.859 2012-04-01 107.069 2012-05-01 105.726 2012-06-01 103.206 2012-07-01 101.998 2012-08-01 104.597 2012-09-01 106.026 2012-10-01 104.930 2012-11-01 101.605 2012-12-01 100.025 2013-01-01 100.235 2013-02-01 104.252 2013-03-01 105.179 2013-04-01 103.803 2013-05-01 104.282 2013-06-01 104.610 2013-07-01 104.372 2013-08-01 103.927 2013-09-01 103.274 2013-10-01 101.327 2013-11-01 100.063 2013-12-01 100.000 2014-01-01 100.260 2014-02-01 100.905 2014-03-01 102.994 2014-04-01 104.847 2014-05-01 105.566 2014-06-01 105.635 2014-07-01 104.680 2014-08-01 102.672 2014-09-01 101.622 2014-10-01 99.320 2014-11-01 96.030 2014-12-01 92.026 2015-01-01 87.037 2015-02-01 88.619 2015-03-01 91.566 2015-04-01 92.019 2015-05-01 95.407 2015-06-01 96.297 2015-07-01 95.732 2015-08-01 93.585 2015-09-01 90.333 2015-10-01 89.266 2015-11-01 88.219 2015-12-01 86.562 2016-01-01 85.771 2016-02-01 84.197 2016-03-01 86.272 2016-04-01 88.398 2016-05-01 89.995 2016-06-01 90.899 2016-07-01 89.153 2016-08-01 88.015 2016-09-01 88.085 2016-10-01 88.350 2016-11-01 87.699 2016-12-01 88.028 2017-01-01 89.533 2017-02-01 89.341 2017-03-01 89.705 2017-04-01 91.002 2017-05-01 90.754 2017-06-01 90.071 2017-07-01 89.073 2017-08-01 89.571 2017-09-01 91.763 2017-10-01 90.386 2017-11-01 91.020 2017-12-01 90.332 2018-01-01 91.345 2018-02-01 92.166 2018-03-01 92.410 2018-04-01 93.956 2018-05-01 95.686 2018-06-01 95.962 2018-07-01 95.635 2018-08-01 95.334 2018-09-01 94.701