Month Index 2015=100 1996-01-01 82.76 1996-02-01 83.16 1996-03-01 83.38 1996-04-01 83.64 1996-05-01 83.67 1996-06-01 83.71 1996-07-01 83.83 1996-08-01 83.69 1996-09-01 83.84 1996-10-01 84.00 1996-11-01 84.03 1996-12-01 84.14 1997-01-01 84.32 1997-02-01 84.52 1997-03-01 84.73 1997-04-01 84.87 1997-05-01 84.95 1997-06-01 84.90 1997-07-01 84.96 1997-08-01 85.01 1997-09-01 85.06 1997-10-01 85.11 1997-11-01 85.26 1997-12-01 85.31 1998-01-01 85.45 1998-02-01 85.85 1998-03-01 86.05 1998-04-01 86.12 1998-05-01 86.36 1998-06-01 86.56 1998-07-01 86.69 1998-08-01 86.86 1998-09-01 86.94 1998-10-01 87.01 1998-11-01 87.02 1998-12-01 87.13 1999-01-01 87.28 1999-02-01 87.45 1999-03-01 87.54 1999-04-01 87.68 1999-05-01 87.75 1999-06-01 87.81 1999-07-01 87.85 1999-08-01 87.88 1999-09-01 87.85 1999-10-01 87.79 1999-11-01 87.77 1999-12-01 87.77 2000-01-01 87.73 2000-02-01 87.50 2000-03-01 87.72 2000-04-01 87.64 2000-05-01 87.94 2000-06-01 87.83 2000-07-01 88.11 2000-08-01 88.28 2000-09-01 88.40 2000-10-01 88.58 2000-11-01 88.65 2000-12-01 88.73 2001-01-01 88.99 2001-02-01 89.33 2001-03-01 89.65 2001-04-01 89.76 2001-05-01 90.16 2001-06-01 90.38 2001-07-01 90.34 2001-08-01 90.52 2001-09-01 90.90 2001-10-01 91.12 2001-11-01 91.04 2001-12-01 91.11 2002-01-01 91.26 2002-02-01 91.12 2002-03-01 91.23 2002-04-01 91.25 2002-05-01 91.34 2002-06-01 91.31 2002-07-01 91.43 2002-08-01 91.58 2002-09-01 91.84 2002-10-01 92.02 2002-11-01 91.92 2002-12-01 92.12 2003-01-01 92.04 2003-02-01 92.29 2003-03-01 92.51 2003-04-01 92.69 2003-05-01 92.53 2003-06-01 92.58 2003-07-01 92.50 2003-08-01 92.85 2003-09-01 92.93 2003-10-01 92.94 2003-11-01 92.77 2003-12-01 92.75 2004-01-01 92.46 2004-02-01 92.69 2004-03-01 92.81 2004-04-01 92.82 2004-05-01 92.76 2004-06-01 92.70 2004-07-01 92.50 2004-08-01 92.61 2004-09-01 92.42 2004-10-01 92.49 2004-11-01 92.34 2004-12-01 92.37 2005-01-01 92.21 2005-02-01 92.31 2005-03-01 92.53 2005-04-01 92.32 2005-05-01 92.33 2005-06-01 92.34 2005-07-01 92.04 2005-08-01 92.23 2005-09-01 92.10 2005-10-01 92.23 2005-11-01 92.24 2005-12-01 92.29 2006-01-01 92.38 2006-02-01 92.60 2006-03-01 92.84 2006-04-01 93.20 2006-05-01 93.13 2006-06-01 93.29 2006-07-01 92.99 2006-08-01 93.39 2006-09-01 93.53 2006-10-01 93.55 2006-11-01 93.55 2006-12-01 93.45 2007-01-01 93.41 2007-02-01 94.05 2007-03-01 94.51 2007-04-01 94.73 2007-05-01 94.59 2007-06-01 94.51 2007-07-01 94.40 2007-08-01 94.43 2007-09-01 94.40 2007-10-01 94.95 2007-11-01 95.03 2007-12-01 95.02 2008-01-01 95.09 2008-02-01 95.45 2008-03-01 95.75 2008-04-01 96.04 2008-05-01 96.14 2008-06-01 96.23 2008-07-01 96.42 2008-08-01 96.62 2008-09-01 96.61 2008-10-01 96.88 2008-11-01 97.13 2008-12-01 96.79 2009-01-01 97.20 2009-02-01 97.63 2009-03-01 97.85 2009-04-01 97.94 2009-05-01 97.82 2009-06-01 98.02 2009-07-01 97.95 2009-08-01 98.02 2009-09-01 97.94 2009-10-01 98.22 2009-11-01 98.25 2009-12-01 98.27 2010-01-01 98.25 2010-02-01 98.52 2010-03-01 98.60 2010-04-01 98.84 2010-05-01 98.71 2010-06-01 98.81 2010-07-01 98.71 2010-08-01 98.92 2010-09-01 99.19 2010-10-01 99.16 2010-11-01 99.12 2010-12-01 99.36 2011-01-01 99.57 2011-02-01 99.79 2011-03-01 99.73 2011-04-01 99.74 2011-05-01 99.89 2011-06-01 99.96 2011-07-01 99.92 2011-08-01 100.13 2011-09-01 100.32 2011-10-01 100.63 2011-11-01 100.60 2011-12-01 100.54 2012-01-01 100.62 2012-02-01 101.12 2012-03-01 101.07 2012-04-01 101.26 2012-05-01 101.11 2012-06-01 100.84 2012-07-01 100.65 2012-08-01 100.82 2012-09-01 101.30 2012-10-01 101.42 2012-11-01 101.67 2012-12-01 101.52 2013-01-01 101.18 2013-02-01 101.39 2013-03-01 101.22 2013-04-01 101.44 2013-05-01 101.34 2013-06-01 101.32 2013-07-01 101.00 2013-08-01 101.18 2013-09-01 101.28 2013-10-01 101.21 2013-11-01 101.38 2013-12-01 101.11 2014-01-01 101.09 2014-02-01 101.18 2014-03-01 101.27 2014-04-01 101.09 2014-05-01 100.83 2014-06-01 100.57 2014-07-01 100.40 2014-08-01 100.52 2014-09-01 100.54 2014-10-01 100.51 2014-11-01 100.27 2014-12-01 100.20 2015-01-01 100.25 2015-02-01 100.29 2015-03-01 100.50 2015-04-01 100.40 2015-05-01 100.20 2015-06-01 100.07 2015-07-01 99.87 2015-08-01 99.95 2015-09-01 99.80 2015-10-01 99.87 2015-11-01 99.51 2015-12-01 99.30 2016-01-01 99.47 2016-02-01 99.43 2016-03-01 99.35 2016-04-01 99.27 2016-05-01 99.19 2016-06-01 99.14 2016-07-01 99.08 2016-08-01 99.11 2016-09-01 99.04 2016-10-01 99.18 2016-11-01 98.93 2016-12-01 98.71 2017-01-01 98.99 2017-02-01 98.78 2017-03-01 98.96 2017-04-01 98.98 2017-05-01 98.78 2017-06-01 98.82 2017-07-01 98.59 2017-08-01 98.58 2017-09-01 98.34 2017-10-01 98.60 2017-11-01 98.48 2017-12-01 98.37 2018-01-01 98.56 2018-02-01 98.68 2018-03-01 98.62 2018-04-01 98.82 2018-05-01 98.73 2018-06-01 98.72 2018-07-01 98.48 2018-08-01 98.74 2018-09-01 98.66 2018-10-01 98.86