Month Index 2015=100 1996-01-01 85.09 1996-02-01 85.86 1996-03-01 85.77 1996-04-01 85.60 1996-05-01 85.34 1996-06-01 85.60 1996-07-01 85.69 1996-08-01 85.26 1996-09-01 85.60 1996-10-01 85.86 1996-11-01 85.17 1996-12-01 85.34 1997-01-01 85.34 1997-02-01 86.03 1997-03-01 86.11 1997-04-01 86.46 1997-05-01 85.77 1997-06-01 86.37 1997-07-01 86.37 1997-08-01 85.69 1997-09-01 86.20 1997-10-01 86.54 1997-11-01 86.20 1997-12-01 86.80 1998-01-01 86.54 1998-02-01 86.46 1998-03-01 87.31 1998-04-01 87.74 1998-05-01 87.48 1998-06-01 87.65 1998-07-01 87.57 1998-08-01 86.88 1998-09-01 87.48 1998-10-01 88.08 1998-11-01 87.14 1998-12-01 87.74 1999-01-01 87.05 1999-02-01 87.65 1999-03-01 87.74 1999-04-01 87.65 1999-05-01 87.05 1999-06-01 87.48 1999-07-01 87.48 1999-08-01 86.88 1999-09-01 87.65 1999-10-01 87.99 1999-11-01 87.40 1999-12-01 88.68 2000-01-01 87.65 2000-02-01 88.42 2000-03-01 88.68 2000-04-01 89.53 2000-05-01 89.28 2000-06-01 89.62 2000-07-01 90.13 2000-08-01 89.62 2000-09-01 90.05 2000-10-01 91.07 2000-11-01 90.47 2000-12-01 91.16 2001-01-01 90.73 2001-02-01 91.71 2001-03-01 92.27 2001-04-01 93.25 2001-05-01 92.83 2001-06-01 93.19 2001-07-01 93.07 2001-08-01 92.75 2001-09-01 93.70 2001-10-01 94.33 2001-11-01 93.53 2001-12-01 93.84 2002-01-01 93.92 2002-02-01 94.72 2002-03-01 94.44 2002-04-01 94.87 2002-05-01 94.66 2002-06-01 94.58 2002-07-01 94.74 2002-08-01 94.49 2002-09-01 94.61 2002-10-01 94.97 2002-11-01 94.44 2002-12-01 94.81 2003-01-01 94.69 2003-02-01 95.44 2003-03-01 95.39 2003-04-01 95.90 2003-05-01 95.85 2003-06-01 95.67 2003-07-01 95.47 2003-08-01 95.34 2003-09-01 95.71 2003-10-01 95.96 2003-11-01 95.13 2003-12-01 96.12 2004-01-01 95.86 2004-02-01 96.93 2004-03-01 97.02 2004-04-01 96.79 2004-05-01 97.30 2004-06-01 97.03 2004-07-01 96.88 2004-08-01 96.74 2004-09-01 96.98 2004-10-01 97.20 2004-11-01 96.29 2004-12-01 96.54 2005-01-01 96.12 2005-02-01 96.39 2005-03-01 96.55 2005-04-01 96.38 2005-05-01 95.92 2005-06-01 95.81 2005-07-01 95.39 2005-08-01 95.35 2005-09-01 96.16 2005-10-01 96.85 2005-11-01 95.97 2005-12-01 96.89 2006-01-01 96.19 2006-02-01 96.85 2006-03-01 96.89 2006-04-01 96.82 2006-05-01 96.32 2006-06-01 95.87 2006-07-01 95.56 2006-08-01 95.19 2006-09-01 95.78 2006-10-01 96.55 2006-11-01 96.11 2006-12-01 96.61 2007-01-01 96.31 2007-02-01 96.75 2007-03-01 96.76 2007-04-01 96.95 2007-05-01 96.20 2007-06-01 95.95 2007-07-01 95.56 2007-08-01 94.76 2007-09-01 95.86 2007-10-01 96.37 2007-11-01 96.12 2007-12-01 96.33 2008-01-01 96.10 2008-02-01 97.00 2008-03-01 97.24 2008-04-01 97.21 2008-05-01 97.18 2008-06-01 97.36 2008-07-01 96.93 2008-08-01 96.12 2008-09-01 97.09 2008-10-01 97.91 2008-11-01 97.50 2008-12-01 97.98 2009-01-01 97.87 2009-02-01 98.78 2009-03-01 98.50 2009-04-01 98.70 2009-05-01 98.55 2009-06-01 98.54 2009-07-01 98.55 2009-08-01 98.07 2009-09-01 98.52 2009-10-01 99.23 2009-11-01 98.73 2009-12-01 99.23 2010-01-01 99.23 2010-02-01 99.73 2010-03-01 100.11 2010-04-01 99.46 2010-05-01 99.19 2010-06-01 99.27 2010-07-01 99.23 2010-08-01 98.77 2010-09-01 99.40 2010-10-01 99.79 2010-11-01 100.09 2010-12-01 100.17 2011-01-01 100.16 2011-02-01 100.58 2011-03-01 100.43 2011-04-01 100.20 2011-05-01 100.07 2011-06-01 100.25 2011-07-01 100.27 2011-08-01 99.04 2011-09-01 99.09 2011-10-01 99.49 2011-11-01 99.35 2011-12-01 99.52 2012-01-01 99.35 2012-02-01 100.14 2012-03-01 99.53 2012-04-01 99.42 2012-05-01 99.54 2012-06-01 99.74 2012-07-01 99.32 2012-08-01 98.79 2012-09-01 99.26 2012-10-01 99.84 2012-11-01 99.85 2012-12-01 100.37 2013-01-01 100.38 2013-02-01 100.87 2013-03-01 100.58 2013-04-01 100.44 2013-05-01 100.23 2013-06-01 100.04 2013-07-01 99.15 2013-08-01 98.84 2013-09-01 99.51 2013-10-01 100.86 2013-11-01 100.94 2013-12-01 101.57 2014-01-01 101.43 2014-02-01 101.76 2014-03-01 101.46 2014-04-01 101.28 2014-05-01 100.99 2014-06-01 100.82 2014-07-01 100.87 2014-08-01 100.64 2014-09-01 101.13 2014-10-01 101.57 2014-11-01 100.84 2014-12-01 102.00 2015-01-01 100.85 2015-02-01 101.28 2015-03-01 100.62 2015-04-01 100.34 2015-05-01 99.28 2015-06-01 99.53 2015-07-01 99.37 2015-08-01 98.93 2015-09-01 99.54 2015-10-01 100.12 2015-11-01 99.77 2015-12-01 100.37 2016-01-01 99.61 2016-02-01 99.93 2016-03-01 99.87 2016-04-01 99.49 2016-05-01 98.68 2016-06-01 98.59 2016-07-01 98.78 2016-08-01 98.65 2016-09-01 98.85 2016-10-01 98.93 2016-11-01 98.76 2016-12-01 99.49 2017-01-01 98.36 2017-02-01 98.90 2017-03-01 98.84 2017-04-01 98.73 2017-05-01 98.67 2017-06-01 98.50 2017-07-01 98.08 2017-08-01 97.65 2017-09-01 98.09 2017-10-01 98.61 2017-11-01 99.21 2017-12-01 99.79 2018-01-01 98.99 2018-02-01 99.33 2018-03-01 99.63 2018-04-01 99.52 2018-05-01 98.77 2018-06-01 99.04 2018-07-01 98.86 2018-08-01 98.19 2018-09-01 98.45