Month Index 2015=100 1996-12-01 17.30 1997-01-01 25.68 1997-02-01 121.63 1997-03-01 105.86 1997-04-01 92.17 1997-05-01 81.31 1997-06-01 80.62 1997-07-01 85.01 1997-08-01 86.56 1997-09-01 88.78 1997-10-01 84.44 1997-11-01 84.91 1997-12-01 86.33 1998-01-01 85.85 1998-02-01 85.55 1998-03-01 85.23 1998-04-01 83.97 1998-05-01 83.53 1998-06-01 84.12 1998-07-01 85.55 1998-08-01 86.98 1998-09-01 86.25 1998-10-01 84.39 1998-11-01 83.70 1998-12-01 83.04 1999-01-01 82.47 1999-02-01 82.35 1999-03-01 81.32 1999-04-01 81.12 1999-05-01 80.57 1999-06-01 79.41 1999-07-01 81.20 1999-08-01 81.93 1999-09-01 82.02 1999-10-01 82.72 1999-11-01 82.81 1999-12-01 82.64 2000-01-01 82.70 2000-02-01 82.41 2000-03-01 81.87 2000-04-01 81.59 2000-05-01 81.68 2000-06-01 81.41 2000-07-01 82.00 2000-08-01 81.88 2000-09-01 81.55 2000-10-01 81.60 2000-11-01 82.24 2000-12-01 82.44 2001-01-01 82.85 2001-02-01 82.85 2001-03-01 83.03 2001-04-01 83.12 2001-05-01 83.22 2001-06-01 83.21 2001-07-01 82.90 2001-08-01 82.97 2001-09-01 83.13 2001-10-01 83.27 2001-11-01 83.18 2001-12-01 83.64 2002-01-01 83.77 2002-02-01 83.91 2002-03-01 84.16 2002-04-01 84.38 2002-05-01 84.41 2002-06-01 84.35 2002-07-01 84.51 2002-08-01 84.35 2002-09-01 84.42 2002-10-01 84.47 2002-11-01 84.63 2002-12-01 84.47 2003-01-01 84.51 2003-02-01 84.15 2003-03-01 84.33 2003-04-01 84.22 2003-05-01 84.20 2003-06-01 84.29 2003-07-01 84.63 2003-08-01 84.77 2003-09-01 84.80 2003-10-01 84.75 2003-11-01 84.84 2003-12-01 85.01 2004-01-01 85.06 2004-02-01 84.94 2004-03-01 84.94 2004-04-01 84.83 2004-05-01 84.76 2004-06-01 84.75 2004-07-01 84.86 2004-08-01 84.76 2004-09-01 84.91 2004-10-01 84.89 2004-11-01 85.07 2004-12-01 85.08 2005-01-01 84.85 2005-02-01 85.00 2005-03-01 85.04 2005-04-01 85.11 2005-05-01 85.12 2005-06-01 85.19 2005-07-01 85.16 2005-08-01 85.09 2005-09-01 85.46 2005-10-01 85.51 2005-11-01 85.65 2005-12-01 85.88 2006-01-01 86.15 2006-02-01 86.18 2006-03-01 86.42 2006-04-01 85.99 2006-05-01 86.61 2006-06-01 86.62 2006-07-01 86.56 2006-08-01 86.76 2006-09-01 86.82 2006-10-01 87.32 2006-11-01 87.75 2006-12-01 87.91 2007-01-01 88.36 2007-02-01 88.43 2007-03-01 88.94 2007-04-01 89.02 2007-05-01 89.32 2007-06-01 89.55 2007-07-01 89.68 2007-08-01 90.19 2007-09-01 90.66 2007-10-01 90.72 2007-11-01 90.90 2007-12-01 90.91 2008-01-01 91.20 2008-02-01 91.60 2008-03-01 92.74 2008-04-01 93.07 2008-05-01 93.28 2008-06-01 93.74 2008-07-01 94.33 2008-08-01 94.42 2008-09-01 94.66 2008-10-01 94.80 2008-11-01 95.41 2008-12-01 95.82 2009-01-01 96.09 2009-02-01 96.30 2009-03-01 96.81 2009-04-01 97.09 2009-05-01 97.33 2009-06-01 97.67 2009-07-01 98.04 2009-08-01 98.21 2009-09-01 98.32 2009-10-01 98.12 2009-11-01 97.94 2009-12-01 98.15 2010-01-01 98.17 2010-02-01 98.25 2010-03-01 98.55 2010-04-01 98.44 2010-05-01 98.18 2010-06-01 98.63 2010-07-01 98.71 2010-08-01 98.81 2010-09-01 99.31 2010-10-01 99.67 2010-11-01 99.54 2010-12-01 99.16 2011-01-01 99.29 2011-02-01 99.40 2011-03-01 99.54 2011-04-01 99.80 2011-05-01 99.67 2011-06-01 99.62 2011-07-01 99.62 2011-08-01 99.74 2011-09-01 99.86 2011-10-01 100.30 2011-11-01 100.65 2011-12-01 100.58 2012-01-01 100.55 2012-02-01 100.21 2012-03-01 100.67 2012-04-01 100.83 2012-05-01 100.94 2012-06-01 100.80 2012-07-01 100.90 2012-08-01 100.94 2012-09-01 100.84 2012-10-01 100.84 2012-11-01 101.23 2012-12-01 101.04 2013-01-01 101.56 2013-02-01 101.46 2013-03-01 101.46 2013-04-01 101.28 2013-05-01 101.28 2013-06-01 101.42 2013-07-01 101.28 2013-08-01 101.19 2013-09-01 101.11 2013-10-01 101.48 2013-11-01 101.44 2013-12-01 101.06 2014-01-01 100.91 2014-02-01 100.63 2014-03-01 100.96 2014-04-01 100.35 2014-05-01 100.39 2014-06-01 100.32 2014-07-01 100.12 2014-08-01 99.81 2014-09-01 99.80 2014-10-01 99.81 2014-11-01 99.61 2014-12-01 99.61 2015-01-01 99.42 2015-02-01 99.50 2015-03-01 99.53 2015-04-01 99.83 2015-05-01 100.00 2015-06-01 100.23 2015-07-01 100.09 2015-08-01 100.31 2015-09-01 100.57 2015-10-01 100.25 2015-11-01 100.31 2015-12-01 99.96 2016-01-01 100.36 2016-02-01 99.40 2016-03-01 99.66 2016-04-01 100.01 2016-05-01 99.96 2016-06-01 99.76 2016-07-01 99.99 2016-08-01 99.81 2016-09-01 99.75 2016-10-01 99.69 2016-11-01 100.09 2016-12-01 99.90 2017-01-01 99.60 2017-02-01 99.51 2017-03-01 99.60 2017-04-01 99.29 2017-05-01 99.43 2017-06-01 99.62 2017-07-01 100.05 2017-08-01 100.05 2017-09-01 99.71 2017-10-01 99.48 2017-11-01 99.50 2017-12-01 99.68 2018-01-01 98.83 2018-02-01 99.01 2018-03-01 99.03 2018-04-01 99.00 2018-05-01 99.02 2018-06-01 99.21 2018-07-01 99.22 2018-08-01 99.45 2018-09-01 99.33 2018-10-01 99.19