Month Index 2015=100 1996-12-01 13.92 1997-01-01 21.18 1997-02-01 81.58 1997-03-01 74.75 1997-04-01 69.48 1997-05-01 68.26 1997-06-01 70.23 1997-07-01 72.21 1997-08-01 82.30 1997-09-01 80.51 1997-10-01 81.14 1997-11-01 82.56 1997-12-01 83.61 1998-01-01 81.84 1998-02-01 81.97 1998-03-01 82.35 1998-04-01 84.45 1998-05-01 83.70 1998-06-01 83.02 1998-07-01 82.63 1998-08-01 83.40 1998-09-01 84.24 1998-10-01 83.51 1998-11-01 83.47 1998-12-01 83.51 1999-01-01 82.56 1999-02-01 81.40 1999-03-01 80.50 1999-04-01 81.38 1999-05-01 81.26 1999-06-01 81.74 1999-07-01 81.77 1999-08-01 81.26 1999-09-01 81.20 1999-10-01 80.09 1999-11-01 80.69 1999-12-01 80.49 2000-01-01 80.40 2000-02-01 80.08 2000-03-01 79.53 2000-04-01 79.02 2000-05-01 78.41 2000-06-01 77.95 2000-07-01 77.57 2000-08-01 77.42 2000-09-01 78.02 2000-10-01 78.60 2000-11-01 79.07 2000-12-01 79.45 2001-01-01 79.66 2001-02-01 79.44 2001-03-01 79.39 2001-04-01 79.39 2001-05-01 79.16 2001-06-01 78.91 2001-07-01 78.73 2001-08-01 78.29 2001-09-01 78.72 2001-10-01 79.19 2001-11-01 79.48 2001-12-01 79.62 2002-01-01 79.84 2002-02-01 79.52 2002-03-01 79.17 2002-04-01 79.16 2002-05-01 79.07 2002-06-01 78.77 2002-07-01 78.34 2002-08-01 77.68 2002-09-01 78.17 2002-10-01 78.55 2002-11-01 78.74 2002-12-01 78.77 2003-01-01 78.55 2003-02-01 77.56 2003-03-01 77.17 2003-04-01 77.11 2003-05-01 76.38 2003-06-01 76.01 2003-07-01 75.80 2003-08-01 75.33 2003-09-01 75.77 2003-10-01 76.76 2003-11-01 77.13 2003-12-01 77.29 2004-01-01 77.28 2004-02-01 76.94 2004-03-01 76.69 2004-04-01 76.93 2004-05-01 76.80 2004-06-01 76.34 2004-07-01 76.07 2004-08-01 75.77 2004-09-01 76.04 2004-10-01 76.65 2004-11-01 77.02 2004-12-01 77.28 2005-01-01 77.15 2005-02-01 77.03 2005-03-01 76.93 2005-04-01 76.95 2005-05-01 76.92 2005-06-01 76.75 2005-07-01 76.59 2005-08-01 76.45 2005-09-01 76.99 2005-10-01 77.79 2005-11-01 78.42 2005-12-01 78.74 2006-01-01 78.88 2006-02-01 78.86 2006-03-01 78.95 2006-04-01 79.07 2006-05-01 79.27 2006-06-01 79.36 2006-07-01 79.33 2006-08-01 78.69 2006-09-01 79.41 2006-10-01 80.78 2006-11-01 81.57 2006-12-01 82.07 2007-01-01 82.28 2007-02-01 82.02 2007-03-01 82.28 2007-04-01 82.83 2007-05-01 83.20 2007-06-01 83.30 2007-07-01 83.28 2007-08-01 83.01 2007-09-01 85.22 2007-10-01 87.00 2007-11-01 88.47 2007-12-01 89.28 2008-01-01 89.00 2008-02-01 89.12 2008-03-01 89.96 2008-04-01 90.89 2008-05-01 91.60 2008-06-01 92.06 2008-07-01 92.33 2008-08-01 91.68 2008-09-01 94.37 2008-10-01 95.80 2008-11-01 96.91 2008-12-01 97.25 2009-01-01 96.36 2009-02-01 96.36 2009-03-01 97.00 2009-04-01 97.55 2009-05-01 97.97 2009-06-01 97.71 2009-07-01 96.56 2009-08-01 95.91 2009-09-01 97.17 2009-10-01 98.61 2009-11-01 98.75 2009-12-01 98.62 2010-01-01 97.42 2010-02-01 96.48 2010-03-01 96.86 2010-04-01 97.36 2010-05-01 97.52 2010-06-01 97.35 2010-07-01 97.04 2010-08-01 96.11 2010-09-01 97.51 2010-10-01 98.45 2010-11-01 98.98 2010-12-01 99.31 2011-01-01 98.73 2011-02-01 97.98 2011-03-01 97.85 2011-04-01 99.65 2011-05-01 100.30 2011-06-01 100.39 2011-07-01 99.96 2011-08-01 98.92 2011-09-01 98.56 2011-10-01 101.31 2011-11-01 101.89 2011-12-01 102.03 2012-01-01 100.72 2012-02-01 99.03 2012-03-01 98.21 2012-04-01 100.77 2012-05-01 100.82 2012-06-01 100.50 2012-07-01 99.65 2012-08-01 97.19 2012-09-01 97.42 2012-10-01 100.38 2012-11-01 101.61 2012-12-01 101.56 2013-01-01 99.36 2013-02-01 98.05 2013-03-01 97.57 2013-04-01 100.81 2013-05-01 101.16 2013-06-01 101.00 2013-07-01 99.18 2013-08-01 97.45 2013-09-01 97.49 2013-10-01 100.90 2013-11-01 101.59 2013-12-01 101.36 2014-01-01 99.37 2014-02-01 97.66 2014-03-01 97.47 2014-04-01 100.99 2014-05-01 100.87 2014-06-01 100.48 2014-07-01 99.27 2014-08-01 96.75 2014-09-01 97.03 2014-10-01 100.94 2014-11-01 101.64 2014-12-01 100.98 2015-01-01 98.85 2015-02-01 96.66 2015-03-01 96.87 2015-04-01 101.10 2015-05-01 102.05 2015-06-01 101.80 2015-07-01 99.74 2015-08-01 97.97 2015-09-01 98.04 2015-10-01 102.40 2015-11-01 102.44 2015-12-01 102.07 2016-01-01 100.64 2016-02-01 99.40 2016-03-01 98.89 2016-04-01 101.63 2016-05-01 102.16 2016-06-01 101.64 2016-07-01 99.74 2016-08-01 97.94 2016-09-01 98.11 2016-10-01 101.75 2016-11-01 102.25 2016-12-01 101.55 2017-01-01 98.79 2017-02-01 97.50 2017-03-01 96.79 2017-04-01 100.43 2017-05-01 101.09 2017-06-01 100.50 2017-07-01 97.74 2017-08-01 95.17 2017-09-01 96.08 2017-10-01 101.62 2017-11-01 101.70 2017-12-01 101.28 2018-01-01 98.64 2018-02-01 96.59 2018-03-01 96.53 2018-04-01 100.66 2018-05-01 101.10 2018-06-01 100.17 2018-07-01 97.46 2018-08-01 94.72 2018-09-01 94.98 2018-10-01 101.64