Month Index 2015=100 1996-12-01 8.40 1997-01-01 13.05 1997-02-01 48.82 1997-03-01 48.93 1997-04-01 47.65 1997-05-01 48.64 1997-06-01 48.49 1997-07-01 49.93 1997-08-01 53.55 1997-09-01 55.32 1997-10-01 55.30 1997-11-01 55.59 1997-12-01 55.48 1998-01-01 57.53 1998-02-01 58.26 1998-03-01 58.21 1998-04-01 58.21 1998-05-01 55.92 1998-06-01 51.93 1998-07-01 50.62 1998-08-01 50.05 1998-09-01 51.63 1998-10-01 51.57 1998-11-01 50.81 1998-12-01 51.17 1999-01-01 51.99 1999-02-01 51.01 1999-03-01 49.78 1999-04-01 48.65 1999-05-01 47.45 1999-06-01 46.35 1999-07-01 47.86 1999-08-01 47.91 1999-09-01 49.00 1999-10-01 49.83 1999-11-01 50.18 1999-12-01 51.53 2000-01-01 53.24 2000-02-01 54.24 2000-03-01 53.32 2000-04-01 51.87 2000-05-01 51.41 2000-06-01 51.36 2000-07-01 52.14 2000-08-01 55.25 2000-09-01 56.72 2000-10-01 57.53 2000-11-01 57.62 2000-12-01 58.44 2001-01-01 58.87 2001-02-01 58.71 2001-03-01 58.53 2001-04-01 58.01 2001-05-01 57.68 2001-06-01 57.50 2001-07-01 56.84 2001-08-01 56.38 2001-09-01 57.74 2001-10-01 58.24 2001-11-01 58.49 2001-12-01 60.09 2002-01-01 61.95 2002-02-01 62.57 2002-03-01 62.69 2002-04-01 62.14 2002-05-01 59.06 2002-06-01 56.70 2002-07-01 54.51 2002-08-01 53.78 2002-09-01 54.65 2002-10-01 55.73 2002-11-01 55.64 2002-12-01 57.32 2003-01-01 57.61 2003-02-01 57.88 2003-03-01 58.27 2003-04-01 58.79 2003-05-01 58.30 2003-06-01 55.02 2003-07-01 53.93 2003-08-01 54.74 2003-09-01 56.04 2003-10-01 56.85 2003-11-01 59.74 2003-12-01 62.42 2004-01-01 63.31 2004-02-01 63.55 2004-03-01 63.34 2004-04-01 63.61 2004-05-01 62.59 2004-06-01 59.72 2004-07-01 59.71 2004-08-01 58.59 2004-09-01 60.04 2004-10-01 59.72 2004-11-01 60.69 2004-12-01 62.92 2005-01-01 63.70 2005-02-01 64.30 2005-03-01 64.53 2005-04-01 65.47 2005-05-01 64.44 2005-06-01 61.74 2005-07-01 61.31 2005-08-01 61.75 2005-09-01 63.53 2005-10-01 65.06 2005-11-01 66.09 2005-12-01 67.23 2006-01-01 68.14 2006-02-01 69.79 2006-03-01 70.00 2006-04-01 70.41 2006-05-01 70.05 2006-06-01 66.46 2006-07-01 64.74 2006-08-01 63.90 2006-09-01 64.84 2006-10-01 67.09 2006-11-01 69.16 2006-12-01 71.04 2007-01-01 72.92 2007-02-01 73.53 2007-03-01 73.14 2007-04-01 73.60 2007-05-01 72.90 2007-06-01 71.63 2007-07-01 74.58 2007-08-01 80.24 2007-09-01 81.95 2007-10-01 82.62 2007-11-01 84.64 2007-12-01 86.32 2008-01-01 88.25 2008-02-01 89.94 2008-03-01 91.01 2008-04-01 92.33 2008-05-01 91.79 2008-06-01 88.99 2008-07-01 88.54 2008-08-01 87.81 2008-09-01 89.79 2008-10-01 91.07 2008-11-01 91.29 2008-12-01 90.92 2009-01-01 92.63 2009-02-01 91.98 2009-03-01 91.98 2009-04-01 92.04 2009-05-01 90.86 2009-06-01 88.61 2009-07-01 87.25 2009-08-01 86.28 2009-09-01 86.82 2009-10-01 86.65 2009-11-01 86.79 2009-12-01 87.71 2010-01-01 88.50 2010-02-01 89.97 2010-03-01 89.71 2010-04-01 89.32 2010-05-01 88.49 2010-06-01 86.07 2010-07-01 86.00 2010-08-01 86.29 2010-09-01 88.51 2010-10-01 89.93 2010-11-01 90.99 2010-12-01 91.36 2011-01-01 92.48 2011-02-01 95.27 2011-03-01 96.49 2011-04-01 97.23 2011-05-01 97.03 2011-06-01 95.22 2011-07-01 94.53 2011-08-01 94.05 2011-09-01 94.21 2011-10-01 95.41 2011-11-01 95.89 2011-12-01 95.93 2012-01-01 96.13 2012-02-01 97.56 2012-03-01 98.03 2012-04-01 98.02 2012-05-01 98.33 2012-06-01 96.10 2012-07-01 96.66 2012-08-01 97.55 2012-09-01 100.23 2012-10-01 100.45 2012-11-01 100.09 2012-12-01 100.91 2013-01-01 102.74 2013-02-01 102.68 2013-03-01 103.22 2013-04-01 102.67 2013-05-01 102.45 2013-06-01 101.15 2013-07-01 99.44 2013-08-01 98.54 2013-09-01 99.67 2013-10-01 100.56 2013-11-01 99.72 2013-12-01 99.74 2014-01-01 100.78 2014-02-01 100.92 2014-03-01 100.66 2014-04-01 101.13 2014-05-01 99.87 2014-06-01 98.53 2014-07-01 98.79 2014-08-01 98.29 2014-09-01 99.34 2014-10-01 99.86 2014-11-01 99.29 2014-12-01 98.58 2015-01-01 99.32 2015-02-01 100.68 2015-03-01 101.17 2015-04-01 102.54 2015-05-01 101.43 2015-06-01 98.99 2015-07-01 97.97 2015-08-01 98.57 2015-09-01 100.25 2015-10-01 100.00 2015-11-01 99.79 2015-12-01 99.29 2016-01-01 99.90 2016-02-01 100.27 2016-03-01 99.54 2016-04-01 99.54 2016-05-01 99.56 2016-06-01 98.60 2016-07-01 100.24 2016-08-01 100.10 2016-09-01 100.08 2016-10-01 99.84 2016-11-01 99.70 2016-12-01 100.49 2017-01-01 103.81 2017-02-01 103.95 2017-03-01 103.52 2017-04-01 104.37 2017-05-01 103.76 2017-06-01 102.58 2017-07-01 102.48 2017-08-01 102.49 2017-09-01 103.74 2017-10-01 103.61 2017-11-01 104.12 2017-12-01 103.84 2018-01-01 104.42 2018-02-01 104.76 2018-03-01 104.41 2018-04-01 105.31 2018-05-01 105.54 2018-06-01 104.89 2018-07-01 104.93 2018-08-01 105.01 2018-09-01 106.51 2018-10-01 106.77