Month Index 2015=100 1996-12-01 13.13 1997-01-01 19.91 1997-02-01 86.38 1997-03-01 81.51 1997-04-01 65.08 1997-05-01 62.51 1997-06-01 62.61 1997-07-01 61.55 1997-08-01 63.41 1997-09-01 63.89 1997-10-01 63.84 1997-11-01 64.23 1997-12-01 63.23 1998-01-01 63.06 1998-02-01 63.97 1998-03-01 64.97 1998-04-01 65.14 1998-05-01 65.45 1998-06-01 65.25 1998-07-01 65.27 1998-08-01 64.97 1998-09-01 64.90 1998-10-01 65.34 1998-11-01 65.63 1998-12-01 65.51 1999-01-01 66.08 1999-02-01 65.58 1999-03-01 65.24 1999-04-01 64.80 1999-05-01 64.60 1999-06-01 64.82 1999-07-01 66.07 1999-08-01 66.36 1999-09-01 66.70 1999-10-01 66.92 1999-11-01 66.72 1999-12-01 66.89 2000-01-01 67.24 2000-02-01 67.87 2000-03-01 67.52 2000-04-01 67.88 2000-05-01 68.83 2000-06-01 69.23 2000-07-01 69.23 2000-08-01 69.19 2000-09-01 69.50 2000-10-01 70.03 2000-11-01 70.59 2000-12-01 71.03 2001-01-01 71.35 2001-02-01 71.98 2001-03-01 72.03 2001-04-01 72.31 2001-05-01 72.23 2001-06-01 72.34 2001-07-01 72.60 2001-08-01 72.83 2001-09-01 73.22 2001-10-01 73.26 2001-11-01 73.20 2001-12-01 73.21 2002-01-01 74.48 2002-02-01 74.96 2002-03-01 75.20 2002-04-01 75.09 2002-05-01 75.19 2002-06-01 75.12 2002-07-01 75.50 2002-08-01 75.52 2002-09-01 75.57 2002-10-01 75.27 2002-11-01 75.42 2002-12-01 75.45 2003-01-01 75.09 2003-02-01 74.89 2003-03-01 74.84 2003-04-01 74.76 2003-05-01 74.80 2003-06-01 74.71 2003-07-01 74.67 2003-08-01 74.76 2003-09-01 74.77 2003-10-01 74.95 2003-11-01 74.93 2003-12-01 74.91 2004-01-01 75.08 2004-02-01 75.05 2004-03-01 75.37 2004-04-01 75.13 2004-05-01 75.27 2004-06-01 75.18 2004-07-01 75.38 2004-08-01 75.54 2004-09-01 75.36 2004-10-01 75.54 2004-11-01 75.59 2004-12-01 75.60 2005-01-01 75.64 2005-02-01 75.76 2005-03-01 75.96 2005-04-01 75.95 2005-05-01 76.12 2005-06-01 76.01 2005-07-01 75.98 2005-08-01 76.05 2005-09-01 76.30 2005-10-01 76.58 2005-11-01 76.71 2005-12-01 77.03 2006-01-01 77.50 2006-02-01 77.83 2006-03-01 78.24 2006-04-01 78.64 2006-05-01 78.89 2006-06-01 79.10 2006-07-01 79.13 2006-08-01 79.36 2006-09-01 79.89 2006-10-01 80.54 2006-11-01 80.75 2006-12-01 80.88 2007-01-01 81.71 2007-02-01 82.67 2007-03-01 82.81 2007-04-01 82.77 2007-05-01 83.02 2007-06-01 83.26 2007-07-01 83.62 2007-08-01 84.06 2007-09-01 84.72 2007-10-01 85.26 2007-11-01 86.41 2007-12-01 86.94 2008-01-01 87.76 2008-02-01 88.76 2008-03-01 89.54 2008-04-01 90.24 2008-05-01 90.55 2008-06-01 91.13 2008-07-01 91.64 2008-08-01 91.86 2008-09-01 92.60 2008-10-01 93.29 2008-11-01 93.71 2008-12-01 94.23 2009-01-01 94.99 2009-02-01 95.99 2009-03-01 96.59 2009-04-01 96.86 2009-05-01 97.07 2009-06-01 97.47 2009-07-01 97.46 2009-08-01 97.41 2009-09-01 97.55 2009-10-01 97.84 2009-11-01 97.87 2009-12-01 97.98 2010-01-01 97.76 2010-02-01 97.58 2010-03-01 97.68 2010-04-01 97.75 2010-05-01 97.93 2010-06-01 98.01 2010-07-01 98.05 2010-08-01 97.82 2010-09-01 98.42 2010-10-01 98.49 2010-11-01 98.53 2010-12-01 98.43 2011-01-01 98.63 2011-02-01 99.15 2011-03-01 99.51 2011-04-01 99.66 2011-05-01 99.64 2011-06-01 99.93 2011-07-01 99.97 2011-08-01 100.04 2011-09-01 100.15 2011-10-01 100.42 2011-11-01 100.55 2011-12-01 100.60 2012-01-01 100.58 2012-02-01 100.22 2012-03-01 100.27 2012-04-01 100.48 2012-05-01 100.46 2012-06-01 100.02 2012-07-01 99.71 2012-08-01 100.04 2012-09-01 100.65 2012-10-01 100.58 2012-11-01 100.28 2012-12-01 100.31 2013-01-01 100.80 2013-02-01 100.35 2013-03-01 100.24 2013-04-01 100.61 2013-05-01 100.27 2013-06-01 99.91 2013-07-01 100.52 2013-08-01 100.31 2013-09-01 100.22 2013-10-01 100.56 2013-11-01 100.84 2013-12-01 101.04 2014-01-01 101.07 2014-02-01 100.44 2014-03-01 100.23 2014-04-01 99.95 2014-05-01 100.55 2014-06-01 99.54 2014-07-01 100.21 2014-08-01 99.56 2014-09-01 100.42 2014-10-01 100.84 2014-11-01 100.66 2014-12-01 100.16 2015-01-01 100.34 2015-02-01 99.46 2015-03-01 99.80 2015-04-01 100.18 2015-05-01 100.37 2015-06-01 99.42 2015-07-01 99.86 2015-08-01 99.69 2015-09-01 100.14 2015-10-01 100.11 2015-11-01 100.63 2015-12-01 100.00 2016-01-01 99.92 2016-02-01 99.42 2016-03-01 99.32 2016-04-01 99.70 2016-05-01 98.71 2016-06-01 99.16 2016-07-01 99.61 2016-08-01 99.08 2016-09-01 98.87 2016-10-01 99.10 2016-11-01 98.63 2016-12-01 99.45 2017-01-01 99.47 2017-02-01 98.53 2017-03-01 98.98 2017-04-01 98.95 2017-05-01 98.71 2017-06-01 98.91 2017-07-01 97.91 2017-08-01 98.83 2017-09-01 98.35 2017-10-01 97.90 2017-11-01 97.71 2017-12-01 98.10 2018-01-01 97.88 2018-02-01 98.02 2018-03-01 98.73 2018-04-01 99.08 2018-05-01 99.20 2018-06-01 99.11 2018-07-01 99.65 2018-08-01 98.90 2018-09-01 98.49 2018-10-01 99.16