Month Index source base, Not Seasonally adjusted 2008-01-01 77.7 2008-02-01 77.3 2008-03-01 77.7 2008-04-01 78.3 2008-05-01 78.4 2008-06-01 79.1 2008-07-01 79.2 2008-08-01 79.8 2008-09-01 80.6 2008-10-01 80.9 2008-11-01 80.9 2008-12-01 81.2 2009-01-01 82.1 2009-02-01 82.8 2009-03-01 83.6 2009-04-01 83.8 2009-05-01 84.1 2009-06-01 84.8 2009-07-01 84.6 2009-08-01 84.6 2009-09-01 84.7 2009-10-01 84.5 2009-11-01 84.1 2009-12-01 84.0 2010-01-01 84.1 2010-02-01 83.9 2010-03-01 84.1 2010-04-01 83.9 2010-05-01 83.8 2010-06-01 84.3 2010-07-01 84.2 2010-08-01 84.0 2010-09-01 84.3 2010-10-01 84.4 2010-11-01 84.2 2010-12-01 84.3 2011-01-01 84.2 2011-02-01 84.0 2011-03-01 84.8 2011-04-01 84.5 2011-05-01 84.9 2011-06-01 85.5 2011-07-01 85.5 2011-08-01 85.7 2011-09-01 85.9 2011-10-01 86.1 2011-11-01 85.6 2011-12-01 85.8 2012-01-01 86.1 2012-02-01 85.9 2012-03-01 86.6 2012-04-01 86.5 2012-05-01 86.8 2012-06-01 87.5 2012-07-01 87.5 2012-08-01 87.7 2012-09-01 87.8 2012-10-01 88.3 2012-11-01 88.3 2012-12-01 88.7 2013-01-01 88.9 2013-02-01 88.7 2013-03-01 89.3 2013-04-01 89.3 2013-05-01 89.4 2013-06-01 90.1 2013-07-01 90.1 2013-08-01 90.1 2013-09-01 91.0 2013-10-01 91.2 2013-11-01 91.4 2013-12-01 91.4 2014-01-01 91.5 2014-02-01 91.8 2014-03-01 92.6 2014-04-01 92.6 2014-05-01 92.3 2014-06-01 93.4 2014-07-01 93.4 2014-08-01 93.1 2014-09-01 93.4 2014-10-01 93.2 2014-11-01 93.2 2014-12-01 93.3 2015-01-01 93.5 2015-02-01 93.9 2015-03-01 94.2 2015-04-01 94.3 2015-05-01 94.5 2015-06-01 95.3 2015-07-01 95.3 2015-08-01 95.4 2015-09-01 95.7 2015-10-01 95.8 2015-11-01 95.8 2015-12-01 96.0 2016-01-01 96.4 2016-02-01 96.8 2016-03-01 97.7 2016-04-01 97.9 2016-05-01 98.0 2016-06-01 98.9 2016-07-01 98.9 2016-08-01 99.0 2016-09-01 99.4 2016-10-01 99.7 2016-11-01 99.4 2016-12-01 100.0 2017-01-01 100.3 2017-02-01 100.0 2017-03-01 100.6 2017-04-01 100.4 2017-05-01 100.5 2017-06-01 101.2 2017-07-01 101.1 2017-08-01 100.9 2017-09-01 101.4 2017-10-01 101.3 2017-11-01 101.1 2017-12-01 101.5 2018-01-01 101.7 2018-02-01 101.7 2018-03-01 102.5 2018-04-01 102.8 2018-05-01 102.8 2018-06-01 103.7 2018-07-01 103.9 2018-08-01 103.6 2018-09-01 104.2