Month Index 2015=100 1996-12-01 11.02 1997-01-01 18.58 1997-02-01 70.76 1997-03-01 73.65 1997-04-01 67.21 1997-05-01 71.62 1997-06-01 72.90 1997-07-01 75.01 1997-08-01 79.21 1997-09-01 80.58 1997-10-01 82.24 1997-11-01 81.94 1997-12-01 82.37 1998-01-01 83.54 1998-02-01 84.17 1998-03-01 85.06 1998-04-01 85.36 1998-05-01 85.97 1998-06-01 85.80 1998-07-01 84.05 1998-08-01 86.04 1998-09-01 85.79 1998-10-01 85.93 1998-11-01 84.96 1998-12-01 83.74 1999-01-01 82.08 1999-02-01 82.14 1999-03-01 82.16 1999-04-01 81.54 1999-05-01 81.38 1999-06-01 82.09 1999-07-01 82.23 1999-08-01 82.22 1999-09-01 82.19 1999-10-01 81.91 1999-11-01 82.05 1999-12-01 83.62 2000-01-01 83.48 2000-02-01 83.69 2000-03-01 83.78 2000-04-01 84.26 2000-05-01 84.54 2000-06-01 84.33 2000-07-01 84.47 2000-08-01 84.33 2000-09-01 84.46 2000-10-01 84.64 2000-11-01 84.84 2000-12-01 84.91 2001-01-01 84.70 2001-02-01 85.27 2001-03-01 85.83 2001-04-01 85.98 2001-05-01 85.92 2001-06-01 85.82 2001-07-01 85.83 2001-08-01 85.97 2001-09-01 85.81 2001-10-01 85.76 2001-11-01 85.76 2001-12-01 85.85 2002-01-01 85.91 2002-02-01 85.58 2002-03-01 85.57 2002-04-01 85.49 2002-05-01 85.68 2002-06-01 85.57 2002-07-01 85.42 2002-08-01 85.18 2002-09-01 85.26 2002-10-01 84.89 2002-11-01 85.10 2002-12-01 85.04 2003-01-01 84.47 2003-02-01 84.40 2003-03-01 84.13 2003-04-01 84.09 2003-05-01 83.75 2003-06-01 83.31 2003-07-01 83.22 2003-08-01 82.90 2003-09-01 82.96 2003-10-01 82.89 2003-11-01 82.87 2003-12-01 82.99 2004-01-01 83.12 2004-02-01 82.90 2004-03-01 82.68 2004-04-01 82.62 2004-05-01 82.55 2004-06-01 82.64 2004-07-01 82.56 2004-08-01 82.70 2004-09-01 82.81 2004-10-01 82.42 2004-11-01 82.12 2004-12-01 82.16 2005-01-01 82.04 2005-02-01 81.88 2005-03-01 81.90 2005-04-01 81.86 2005-05-01 81.82 2005-06-01 81.86 2005-07-01 81.99 2005-08-01 81.85 2005-09-01 81.74 2005-10-01 82.11 2005-11-01 82.21 2005-12-01 82.50 2006-01-01 82.65 2006-02-01 82.59 2006-03-01 82.77 2006-04-01 83.17 2006-05-01 82.95 2006-06-01 82.86 2006-07-01 82.96 2006-08-01 82.94 2006-09-01 83.24 2006-10-01 83.64 2006-11-01 83.72 2006-12-01 83.79 2007-01-01 83.98 2007-02-01 84.21 2007-03-01 84.46 2007-04-01 84.37 2007-05-01 84.44 2007-06-01 84.44 2007-07-01 84.46 2007-08-01 85.04 2007-09-01 85.41 2007-10-01 86.12 2007-11-01 86.20 2007-12-01 86.58 2008-01-01 86.88 2008-02-01 87.32 2008-03-01 87.70 2008-04-01 88.32 2008-05-01 88.38 2008-06-01 88.58 2008-07-01 88.76 2008-08-01 89.08 2008-09-01 89.63 2008-10-01 89.91 2008-11-01 90.32 2008-12-01 91.40 2009-01-01 92.07 2009-02-01 92.15 2009-03-01 92.54 2009-04-01 92.60 2009-05-01 92.71 2009-06-01 92.57 2009-07-01 92.62 2009-08-01 92.61 2009-09-01 92.38 2009-10-01 92.47 2009-11-01 92.30 2009-12-01 92.44 2010-01-01 92.50 2010-02-01 92.60 2010-03-01 92.63 2010-04-01 92.58 2010-05-01 92.99 2010-06-01 93.26 2010-07-01 93.18 2010-08-01 93.09 2010-09-01 93.37 2010-10-01 93.80 2010-11-01 94.62 2010-12-01 95.14 2011-01-01 95.46 2011-02-01 95.84 2011-03-01 96.07 2011-04-01 96.53 2011-05-01 97.70 2011-06-01 97.79 2011-07-01 97.73 2011-08-01 97.64 2011-09-01 98.01 2011-10-01 98.45 2011-11-01 98.32 2011-12-01 98.55 2012-01-01 98.62 2012-02-01 98.54 2012-03-01 99.34 2012-04-01 99.13 2012-05-01 98.56 2012-06-01 99.08 2012-07-01 98.91 2012-08-01 99.12 2012-09-01 99.42 2012-10-01 99.56 2012-11-01 100.02 2012-12-01 100.14 2013-01-01 100.09 2013-02-01 99.45 2013-03-01 99.52 2013-04-01 99.37 2013-05-01 99.33 2013-06-01 99.03 2013-07-01 99.07 2013-08-01 99.14 2013-09-01 98.58 2013-10-01 99.13 2013-11-01 99.13 2013-12-01 98.96 2014-01-01 99.15 2014-02-01 98.98 2014-03-01 98.55 2014-04-01 99.25 2014-05-01 99.11 2014-06-01 99.17 2014-07-01 98.90 2014-08-01 98.83 2014-09-01 99.24 2014-10-01 99.60 2014-11-01 99.89 2014-12-01 99.62 2015-01-01 99.65 2015-02-01 99.70 2015-03-01 99.72 2015-04-01 100.03 2015-05-01 100.23 2015-06-01 99.96 2015-07-01 100.05 2015-08-01 100.23 2015-09-01 100.16 2015-10-01 99.74 2015-11-01 100.05 2015-12-01 100.48 2016-01-01 100.40 2016-02-01 100.72 2016-03-01 100.78 2016-04-01 100.84 2016-05-01 100.82 2016-06-01 100.89 2016-07-01 100.87 2016-08-01 100.32 2016-09-01 100.51 2016-10-01 100.07 2016-11-01 100.46 2016-12-01 100.47 2017-01-01 100.59 2017-02-01 100.62 2017-03-01 100.56 2017-04-01 100.65 2017-05-01 100.54 2017-06-01 100.21 2017-07-01 100.26 2017-08-01 100.24 2017-09-01 100.58 2017-10-01 100.81 2017-11-01 101.10 2017-12-01 101.21 2018-01-01 101.28 2018-02-01 101.21 2018-03-01 101.50 2018-04-01 101.40 2018-05-01 101.69 2018-06-01 102.12 2018-07-01 102.14 2018-08-01 102.04 2018-09-01 102.35 2018-10-01 102.36