Month Index 2015=100 1996-12-01 10.60 1997-01-01 16.70 1997-02-01 52.69 1997-03-01 47.37 1997-04-01 43.78 1997-05-01 44.36 1997-06-01 45.06 1997-07-01 47.18 1997-08-01 48.65 1997-09-01 49.30 1997-10-01 41.68 1997-11-01 49.77 1997-12-01 50.69 1998-01-01 52.38 1998-02-01 52.93 1998-03-01 53.09 1998-04-01 53.96 1998-05-01 53.86 1998-06-01 54.11 1998-07-01 54.14 1998-08-01 54.28 1998-09-01 54.50 1998-10-01 53.97 1998-11-01 53.83 1998-12-01 53.58 1999-01-01 52.01 1999-02-01 52.29 1999-03-01 52.53 1999-04-01 52.85 1999-05-01 52.66 1999-06-01 51.97 1999-07-01 52.38 1999-08-01 52.86 1999-09-01 53.17 1999-10-01 52.99 1999-11-01 53.07 1999-12-01 53.14 2000-01-01 53.06 2000-02-01 53.10 2000-03-01 52.97 2000-04-01 52.83 2000-05-01 53.09 2000-06-01 52.90 2000-07-01 52.77 2000-08-01 52.86 2000-09-01 53.56 2000-10-01 54.22 2000-11-01 54.53 2000-12-01 54.67 2001-01-01 54.98 2001-02-01 55.22 2001-03-01 55.23 2001-04-01 55.34 2001-05-01 55.60 2001-06-01 55.53 2001-07-01 55.43 2001-08-01 55.45 2001-09-01 55.57 2001-10-01 55.64 2001-11-01 55.71 2001-12-01 55.75 2002-01-01 55.92 2002-02-01 56.06 2002-03-01 55.98 2002-04-01 55.86 2002-05-01 55.72 2002-06-01 55.67 2002-07-01 55.55 2002-08-01 55.50 2002-09-01 55.41 2002-10-01 55.32 2002-11-01 55.32 2002-12-01 55.25 2003-01-01 55.34 2003-02-01 55.07 2003-03-01 55.01 2003-04-01 55.03 2003-05-01 54.87 2003-06-01 54.59 2003-07-01 54.38 2003-08-01 54.30 2003-09-01 54.49 2003-10-01 54.54 2003-11-01 54.49 2003-12-01 54.51 2004-01-01 54.56 2004-02-01 54.44 2004-03-01 54.43 2004-04-01 54.42 2004-05-01 54.34 2004-06-01 54.27 2004-07-01 54.26 2004-08-01 54.24 2004-09-01 54.15 2004-10-01 54.20 2004-11-01 54.11 2004-12-01 54.18 2005-01-01 54.27 2005-02-01 54.21 2005-03-01 54.16 2005-04-01 54.20 2005-05-01 54.20 2005-06-01 54.28 2005-07-01 54.48 2005-08-01 54.57 2005-09-01 54.89 2005-10-01 55.47 2005-11-01 55.70 2005-12-01 56.75 2006-01-01 57.85 2006-02-01 58.40 2006-03-01 58.74 2006-04-01 59.68 2006-05-01 61.91 2006-06-01 61.98 2006-07-01 62.60 2006-08-01 62.73 2006-09-01 62.94 2006-10-01 63.04 2006-11-01 63.08 2006-12-01 63.05 2007-01-01 63.09 2007-02-01 63.31 2007-03-01 63.45 2007-04-01 63.58 2007-05-01 63.79 2007-06-01 63.81 2007-07-01 64.22 2007-08-01 64.39 2007-09-01 64.79 2007-10-01 65.38 2007-11-01 66.16 2007-12-01 66.43 2008-01-01 68.11 2008-02-01 69.47 2008-03-01 70.74 2008-04-01 71.36 2008-05-01 71.67 2008-06-01 72.33 2008-07-01 72.97 2008-08-01 73.17 2008-09-01 74.04 2008-10-01 74.99 2008-11-01 75.43 2008-12-01 75.64 2009-01-01 76.04 2009-02-01 76.96 2009-03-01 77.87 2009-04-01 77.92 2009-05-01 77.94 2009-06-01 78.19 2009-07-01 78.06 2009-08-01 78.12 2009-09-01 78.80 2009-10-01 79.00 2009-11-01 79.49 2009-12-01 80.25 2010-01-01 80.17 2010-02-01 80.64 2010-03-01 81.08 2010-04-01 81.18 2010-05-01 83.18 2010-06-01 84.96 2010-07-01 85.49 2010-08-01 85.54 2010-09-01 85.94 2010-10-01 86.21 2010-11-01 86.66 2010-12-01 87.16 2011-01-01 87.96 2011-02-01 88.04 2011-03-01 88.14 2011-04-01 88.64 2011-05-01 88.99 2011-06-01 89.33 2011-07-01 89.85 2011-08-01 93.26 2011-09-01 96.08 2011-10-01 96.24 2011-11-01 96.35 2011-12-01 96.30 2012-01-01 96.41 2012-02-01 96.62 2012-03-01 96.86 2012-04-01 97.02 2012-05-01 96.94 2012-06-01 96.90 2012-07-01 97.20 2012-08-01 97.42 2012-09-01 97.98 2012-10-01 98.75 2012-11-01 99.01 2012-12-01 99.36 2013-01-01 99.26 2013-02-01 99.36 2013-03-01 99.51 2013-04-01 99.58 2013-05-01 99.12 2013-06-01 99.09 2013-07-01 98.77 2013-08-01 98.73 2013-09-01 98.92 2013-10-01 98.84 2013-11-01 98.82 2013-12-01 98.74 2014-01-01 98.63 2014-02-01 98.63 2014-03-01 98.51 2014-04-01 98.44 2014-05-01 98.57 2014-06-01 98.75 2014-07-01 98.55 2014-08-01 98.50 2014-09-01 98.42 2014-10-01 98.69 2014-11-01 98.59 2014-12-01 98.62 2015-01-01 98.85 2015-02-01 99.54 2015-03-01 99.75 2015-04-01 100.13 2015-05-01 100.18 2015-06-01 100.19 2015-07-01 100.12 2015-08-01 99.91 2015-09-01 100.23 2015-10-01 100.32 2015-11-01 100.48 2015-12-01 100.31 2016-01-01 100.26 2016-02-01 100.53 2016-03-01 100.76 2016-04-01 100.89 2016-05-01 101.13 2016-06-01 101.04 2016-07-01 101.61 2016-08-01 102.12 2016-09-01 102.26 2016-10-01 102.43 2016-11-01 102.53 2016-12-01 102.53 2017-01-01 102.68 2017-02-01 102.57 2017-03-01 102.57 2017-04-01 102.67 2017-05-01 102.89 2017-06-01 102.83 2017-07-01 102.74 2017-08-01 102.71 2017-09-01 103.00 2017-10-01 103.18 2017-11-01 103.26 2017-12-01 103.48 2018-01-01 103.51 2018-02-01 103.60 2018-03-01 103.64 2018-04-01 103.77 2018-05-01 103.84 2018-06-01 103.79 2018-07-01 104.20 2018-08-01 104.57 2018-09-01 104.53 2018-10-01 104.85