Month Index 2015=100 1996-01-01 84.28 1996-02-01 84.37 1996-03-01 84.41 1996-04-01 84.51 1996-05-01 84.61 1996-06-01 84.65 1996-07-01 84.55 1996-08-01 84.72 1996-09-01 84.81 1996-10-01 84.80 1996-11-01 84.87 1996-12-01 84.87 1997-01-01 84.88 1997-02-01 85.03 1997-03-01 85.08 1997-04-01 84.94 1997-05-01 84.97 1997-06-01 84.91 1997-07-01 84.80 1997-08-01 84.76 1997-09-01 84.70 1997-10-01 84.79 1997-11-01 85.10 1997-12-01 84.95 1998-01-01 84.93 1998-02-01 85.03 1998-03-01 84.96 1998-04-01 84.91 1998-05-01 84.90 1998-06-01 84.94 1998-07-01 84.91 1998-08-01 84.99 1998-09-01 84.78 1998-10-01 84.75 1998-11-01 84.87 1998-12-01 84.91 1999-01-01 84.90 1999-02-01 85.10 1999-03-01 84.64 1999-04-01 84.53 1999-05-01 84.66 1999-06-01 84.80 1999-07-01 84.70 1999-08-01 84.86 1999-09-01 84.87 1999-10-01 84.88 1999-11-01 85.11 1999-12-01 85.14 2000-01-01 85.22 2000-02-01 85.27 2000-03-01 84.94 2000-04-01 84.98 2000-05-01 84.88 2000-06-01 84.83 2000-07-01 84.81 2000-08-01 84.89 2000-09-01 84.92 2000-10-01 84.91 2000-11-01 85.00 2000-12-01 84.99 2001-01-01 85.09 2001-02-01 84.97 2001-03-01 85.04 2001-04-01 85.05 2001-05-01 85.16 2001-06-01 85.31 2001-07-01 85.47 2001-08-01 85.59 2001-09-01 85.68 2001-10-01 85.70 2001-11-01 85.76 2001-12-01 85.89 2002-01-01 86.17 2002-02-01 86.27 2002-03-01 86.35 2002-04-01 86.08 2002-05-01 86.14 2002-06-01 86.06 2002-07-01 85.99 2002-08-01 86.10 2002-09-01 86.15 2002-10-01 86.29 2002-11-01 86.33 2002-12-01 86.34 2003-01-01 85.90 2003-02-01 86.04 2003-03-01 86.04 2003-04-01 86.12 2003-05-01 86.28 2003-06-01 86.34 2003-07-01 86.32 2003-08-01 86.35 2003-09-01 86.25 2003-10-01 86.19 2003-11-01 86.35 2003-12-01 86.29 2004-01-01 86.39 2004-02-01 86.24 2004-03-01 86.32 2004-04-01 86.23 2004-05-01 86.33 2004-06-01 86.37 2004-07-01 86.35 2004-08-01 86.37 2004-09-01 86.37 2004-10-01 86.42 2004-11-01 86.44 2004-12-01 86.45 2005-01-01 86.27 2005-02-01 86.30 2005-03-01 86.17 2005-04-01 86.32 2005-05-01 86.25 2005-06-01 86.31 2005-07-01 86.13 2005-08-01 86.25 2005-09-01 86.26 2005-10-01 86.32 2005-11-01 86.35 2005-12-01 86.45 2006-01-01 86.58 2006-02-01 86.66 2006-03-01 86.81 2006-04-01 86.79 2006-05-01 86.65 2006-06-01 86.77 2006-07-01 86.69 2006-08-01 86.79 2006-09-01 87.00 2006-10-01 87.12 2006-11-01 87.23 2006-12-01 87.36 2007-01-01 87.53 2007-02-01 87.66 2007-03-01 87.88 2007-04-01 88.24 2007-05-01 88.29 2007-06-01 88.31 2007-07-01 88.29 2007-08-01 88.29 2007-09-01 88.33 2007-10-01 88.38 2007-11-01 88.33 2007-12-01 88.59 2008-01-01 88.81 2008-02-01 89.12 2008-03-01 89.37 2008-04-01 89.55 2008-05-01 89.57 2008-06-01 89.67 2008-07-01 89.54 2008-08-01 89.72 2008-09-01 89.88 2008-10-01 90.16 2008-11-01 90.27 2008-12-01 89.99 2009-01-01 90.33 2009-02-01 90.73 2009-03-01 91.07 2009-04-01 91.20 2009-05-01 91.36 2009-06-01 91.44 2009-07-01 91.37 2009-08-01 91.28 2009-09-01 91.45 2009-10-01 91.70 2009-11-01 91.82 2009-12-01 91.97 2010-01-01 91.89 2010-02-01 92.20 2010-03-01 92.20 2010-04-01 92.45 2010-05-01 92.42 2010-06-01 92.52 2010-07-01 92.58 2010-08-01 92.84 2010-09-01 92.88 2010-10-01 92.82 2010-11-01 93.57 2010-12-01 93.77 2011-01-01 93.88 2011-02-01 93.98 2011-03-01 94.79 2011-04-01 95.30 2011-05-01 95.49 2011-06-01 95.91 2011-07-01 96.09 2011-08-01 96.40 2011-09-01 96.93 2011-10-01 96.59 2011-11-01 97.04 2011-12-01 97.52 2012-01-01 97.78 2012-02-01 98.07 2012-03-01 98.09 2012-04-01 98.30 2012-05-01 98.22 2012-06-01 98.40 2012-07-01 98.34 2012-08-01 98.30 2012-09-01 98.16 2012-10-01 98.13 2012-11-01 98.38 2012-12-01 98.33 2013-01-01 98.44 2013-02-01 98.45 2013-03-01 98.66 2013-04-01 98.53 2013-05-01 98.72 2013-06-01 98.97 2013-07-01 98.75 2013-08-01 98.79 2013-09-01 98.69 2013-10-01 98.65 2013-11-01 98.96 2013-12-01 98.79 2014-01-01 99.06 2014-02-01 99.19 2014-03-01 99.43 2014-04-01 99.61 2014-05-01 99.65 2014-06-01 99.80 2014-07-01 99.73 2014-08-01 99.76 2014-09-01 99.93 2014-10-01 100.03 2014-11-01 100.04 2014-12-01 100.03 2015-01-01 99.90 2015-02-01 99.96 2015-03-01 100.04 2015-04-01 100.06 2015-05-01 100.10 2015-06-01 100.07 2015-07-01 99.93 2015-08-01 99.93 2015-09-01 99.93 2015-10-01 99.94 2015-11-01 100.05 2015-12-01 100.09 2016-01-01 100.23 2016-02-01 100.36 2016-03-01 100.33 2016-04-01 99.89 2016-05-01 99.78 2016-06-01 99.71 2016-07-01 99.72 2016-08-01 99.65 2016-09-01 99.54 2016-10-01 99.30 2016-11-01 99.40 2016-12-01 99.55 2017-01-01 99.50 2017-02-01 99.89 2017-03-01 99.78 2017-04-01 99.91 2017-05-01 99.89 2017-06-01 99.81 2017-07-01 99.80 2017-08-01 99.82 2017-09-01 99.81 2017-10-01 99.82 2017-11-01 99.97 2017-12-01 100.04 2018-01-01 100.11 2018-02-01 100.47 2018-03-01 100.58 2018-04-01 100.77 2018-05-01 100.69 2018-06-01 100.93 2018-07-01 100.57 2018-08-01 100.33 2018-09-01 100.30 2018-10-01 100.41