Month Index 2015=100 1996-12-01 17.22 1997-01-01 26.03 1997-02-01 101.18 1997-03-01 85.97 1997-04-01 81.01 1997-05-01 78.48 1997-06-01 80.19 1997-07-01 82.60 1997-08-01 85.22 1997-09-01 85.80 1997-10-01 85.67 1997-11-01 85.71 1997-12-01 86.43 1998-01-01 87.83 1998-02-01 88.73 1998-03-01 89.28 1998-04-01 89.38 1998-05-01 89.00 1998-06-01 88.91 1998-07-01 88.89 1998-08-01 89.18 1998-09-01 88.49 1998-10-01 88.57 1998-11-01 88.10 1998-12-01 87.99 1999-01-01 87.71 1999-02-01 87.39 1999-03-01 87.22 1999-04-01 87.27 1999-05-01 87.12 1999-06-01 87.21 1999-07-01 87.42 1999-08-01 87.60 1999-09-01 87.65 1999-10-01 87.78 1999-11-01 87.68 1999-12-01 87.72 2000-01-01 87.04 2000-02-01 86.95 2000-03-01 86.79 2000-04-01 86.54 2000-05-01 86.56 2000-06-01 86.64 2000-07-01 86.87 2000-08-01 87.08 2000-09-01 87.03 2000-10-01 87.32 2000-11-01 87.73 2000-12-01 87.79 2001-01-01 88.20 2001-02-01 88.54 2001-03-01 88.67 2001-04-01 88.96 2001-05-01 89.13 2001-06-01 89.19 2001-07-01 89.22 2001-08-01 89.18 2001-09-01 89.19 2001-10-01 89.21 2001-11-01 89.29 2001-12-01 89.31 2002-01-01 89.55 2002-02-01 89.41 2002-03-01 89.38 2002-04-01 89.46 2002-05-01 89.36 2002-06-01 89.15 2002-07-01 89.05 2002-08-01 88.95 2002-09-01 89.03 2002-10-01 88.80 2002-11-01 88.90 2002-12-01 88.80 2003-01-01 88.75 2003-02-01 88.74 2003-03-01 88.65 2003-04-01 88.50 2003-05-01 88.42 2003-06-01 88.41 2003-07-01 88.34 2003-08-01 88.32 2003-09-01 88.11 2003-10-01 87.99 2003-11-01 87.58 2003-12-01 87.56 2004-01-01 87.50 2004-02-01 87.27 2004-03-01 87.37 2004-04-01 87.14 2004-05-01 87.08 2004-06-01 87.02 2004-07-01 87.02 2004-08-01 87.05 2004-09-01 87.32 2004-10-01 87.34 2004-11-01 87.31 2004-12-01 87.42 2005-01-01 87.61 2005-02-01 87.70 2005-03-01 87.71 2005-04-01 87.61 2005-05-01 87.56 2005-06-01 87.29 2005-07-01 87.33 2005-08-01 87.42 2005-09-01 87.57 2005-10-01 87.81 2005-11-01 87.93 2005-12-01 87.87 2006-01-01 88.04 2006-02-01 88.23 2006-03-01 88.39 2006-04-01 88.34 2006-05-01 88.64 2006-06-01 88.50 2006-07-01 88.69 2006-08-01 89.18 2006-09-01 89.57 2006-10-01 90.24 2006-11-01 90.70 2006-12-01 91.01 2007-01-01 91.52 2007-02-01 91.93 2007-03-01 92.08 2007-04-01 91.89 2007-05-01 92.10 2007-06-01 92.34 2007-07-01 92.56 2007-08-01 92.98 2007-09-01 93.86 2007-10-01 94.19 2007-11-01 94.50 2007-12-01 94.86 2008-01-01 95.21 2008-02-01 95.61 2008-03-01 96.29 2008-04-01 96.63 2008-05-01 97.06 2008-06-01 97.49 2008-07-01 97.91 2008-08-01 98.22 2008-09-01 98.81 2008-10-01 99.23 2008-11-01 99.82 2008-12-01 100.14 2009-01-01 100.21 2009-02-01 100.77 2009-03-01 101.12 2009-04-01 101.18 2009-05-01 101.56 2009-06-01 101.54 2009-07-01 101.77 2009-08-01 101.90 2009-09-01 101.97 2009-10-01 101.97 2009-11-01 101.67 2009-12-01 101.69 2010-01-01 101.62 2010-02-01 101.60 2010-03-01 101.23 2010-04-01 101.22 2010-05-01 101.11 2010-06-01 101.07 2010-07-01 101.03 2010-08-01 101.02 2010-09-01 101.31 2010-10-01 101.64 2010-11-01 101.80 2010-12-01 101.54 2011-01-01 101.26 2011-02-01 101.14 2011-03-01 101.15 2011-04-01 101.13 2011-05-01 101.35 2011-06-01 101.33 2011-07-01 101.24 2011-08-01 100.76 2011-09-01 100.85 2011-10-01 100.99 2011-11-01 101.00 2011-12-01 101.08 2012-01-01 101.04 2012-02-01 100.94 2012-03-01 100.88 2012-04-01 100.93 2012-05-01 100.91 2012-06-01 100.92 2012-07-01 101.09 2012-08-01 101.31 2012-09-01 101.68 2012-10-01 101.87 2012-11-01 102.02 2012-12-01 102.23 2013-01-01 101.76 2013-02-01 101.73 2013-03-01 101.61 2013-04-01 101.53 2013-05-01 101.48 2013-06-01 101.52 2013-07-01 100.98 2013-08-01 101.17 2013-09-01 101.12 2013-10-01 101.38 2013-11-01 101.23 2013-12-01 100.89 2014-01-01 100.80 2014-02-01 100.20 2014-03-01 100.24 2014-04-01 100.08 2014-05-01 100.05 2014-06-01 99.95 2014-07-01 99.85 2014-08-01 99.77 2014-09-01 99.74 2014-10-01 100.05 2014-11-01 99.88 2014-12-01 99.72 2015-01-01 99.77 2015-02-01 99.71 2015-03-01 99.75 2015-04-01 100.24 2015-05-01 100.07 2015-06-01 99.74 2015-07-01 99.99 2015-08-01 100.30 2015-09-01 100.11 2015-10-01 100.12 2015-11-01 100.21 2015-12-01 99.99 2016-01-01 100.04 2016-02-01 99.33 2016-03-01 98.96 2016-04-01 98.37 2016-05-01 98.56 2016-06-01 98.89 2016-07-01 98.47 2016-08-01 98.75 2016-09-01 98.68 2016-10-01 99.00 2016-11-01 98.94 2016-12-01 98.74 2017-01-01 98.67 2017-02-01 98.43 2017-03-01 98.40 2017-04-01 98.64 2017-05-01 98.87 2017-06-01 99.11 2017-07-01 99.26 2017-08-01 99.02 2017-09-01 98.97 2017-10-01 99.18 2017-11-01 99.22 2017-12-01 99.14 2018-01-01 99.33 2018-02-01 99.23 2018-03-01 99.21 2018-04-01 99.27 2018-05-01 99.56 2018-06-01 99.60 2018-07-01 100.24 2018-08-01 99.94 2018-09-01 100.37 2018-10-01 100.37