Month Index 2015=100 1996-12-01 3.97 1997-01-01 5.29 1997-02-01 9.81 1997-03-01 18.35 1997-04-01 21.71 1997-05-01 22.79 1997-06-01 22.26 1997-07-01 22.98 1997-08-01 24.49 1997-09-01 25.90 1997-10-01 26.47 1997-11-01 27.32 1997-12-01 27.48 1998-01-01 27.90 1998-02-01 28.20 1998-03-01 28.44 1998-04-01 28.41 1998-05-01 28.46 1998-06-01 28.42 1998-07-01 28.47 1998-08-01 28.49 1998-09-01 33.75 1998-10-01 33.99 1998-11-01 34.03 1998-12-01 34.31 1999-01-01 35.92 1999-02-01 36.34 1999-03-01 36.85 1999-04-01 36.71 1999-05-01 36.60 1999-06-01 36.54 1999-07-01 37.48 1999-08-01 42.59 1999-09-01 42.63 1999-10-01 42.58 1999-11-01 42.22 1999-12-01 42.22 2000-01-01 42.90 2000-02-01 43.01 2000-03-01 42.98 2000-04-01 42.94 2000-05-01 44.57 2000-06-01 44.75 2000-07-01 44.80 2000-08-01 45.25 2000-09-01 47.22 2000-10-01 47.82 2000-11-01 47.92 2000-12-01 47.90 2001-01-01 47.88 2001-02-01 48.00 2001-03-01 48.03 2001-04-01 47.94 2001-05-01 47.89 2001-06-01 47.89 2001-07-01 47.98 2001-08-01 48.21 2001-09-01 48.58 2001-10-01 48.83 2001-11-01 49.24 2001-12-01 50.34 2002-01-01 55.06 2002-02-01 56.15 2002-03-01 56.57 2002-04-01 56.09 2002-05-01 55.43 2002-06-01 54.46 2002-07-01 54.19 2002-08-01 54.23 2002-09-01 53.96 2002-10-01 57.43 2002-11-01 57.92 2002-12-01 58.91 2003-01-01 60.16 2003-02-01 58.85 2003-03-01 58.65 2003-04-01 57.63 2003-05-01 56.71 2003-06-01 56.06 2003-07-01 56.84 2003-08-01 58.32 2003-09-01 59.11 2003-10-01 60.56 2003-11-01 61.30 2003-12-01 60.17 2004-01-01 59.67 2004-02-01 59.09 2004-03-01 58.36 2004-04-01 57.93 2004-05-01 57.73 2004-06-01 57.25 2004-07-01 57.67 2004-08-01 59.43 2004-09-01 58.96 2004-10-01 59.80 2004-11-01 59.78 2004-12-01 59.83 2005-01-01 59.73 2005-02-01 59.88 2005-03-01 59.43 2005-04-01 59.07 2005-05-01 58.82 2005-06-01 57.83 2005-07-01 58.01 2005-08-01 58.36 2005-09-01 59.39 2005-10-01 61.20 2005-11-01 63.40 2005-12-01 63.61 2006-01-01 64.67 2006-02-01 65.13 2006-03-01 65.24 2006-04-01 64.85 2006-05-01 64.90 2006-06-01 64.89 2006-07-01 64.48 2006-08-01 65.49 2006-09-01 66.30 2006-10-01 67.12 2006-11-01 68.41 2006-12-01 69.12 2007-01-01 69.95 2007-02-01 69.93 2007-03-01 70.07 2007-04-01 70.13 2007-05-01 69.90 2007-06-01 69.80 2007-07-01 70.17 2007-08-01 71.12 2007-09-01 72.16 2007-10-01 72.69 2007-11-01 73.86 2007-12-01 74.58 2008-01-01 78.74 2008-02-01 80.79 2008-03-01 80.83 2008-04-01 81.21 2008-05-01 82.13 2008-06-01 84.47 2008-07-01 87.75 2008-08-01 89.22 2008-09-01 92.35 2008-10-01 94.49 2008-11-01 96.44 2008-12-01 97.57 2009-01-01 96.21 2009-02-01 95.86 2009-03-01 95.50 2009-04-01 95.46 2009-05-01 94.29 2009-06-01 93.70 2009-07-01 93.40 2009-08-01 92.60 2009-09-01 91.81 2009-10-01 91.91 2009-11-01 91.13 2009-12-01 91.02 2010-01-01 91.46 2010-02-01 91.55 2010-03-01 90.95 2010-04-01 90.87 2010-05-01 90.48 2010-06-01 89.57 2010-07-01 89.19 2010-08-01 89.13 2010-09-01 90.07 2010-10-01 90.07 2010-11-01 90.39 2010-12-01 91.45 2011-01-01 91.20 2011-02-01 91.15 2011-03-01 90.77 2011-04-01 90.79 2011-05-01 90.45 2011-06-01 90.72 2011-07-01 90.85 2011-08-01 91.71 2011-09-01 92.26 2011-10-01 93.15 2011-11-01 93.78 2011-12-01 94.72 2012-01-01 94.78 2012-02-01 100.73 2012-03-01 100.90 2012-04-01 100.15 2012-05-01 99.80 2012-06-01 99.77 2012-07-01 99.84 2012-08-01 100.91 2012-09-01 102.95 2012-10-01 105.02 2012-11-01 106.05 2012-12-01 106.36 2013-01-01 106.08 2013-02-01 105.97 2013-03-01 104.60 2013-04-01 104.34 2013-05-01 103.65 2013-06-01 102.55 2013-07-01 102.24 2013-08-01 101.30 2013-09-01 100.99 2013-10-01 100.14 2013-11-01 99.14 2013-12-01 99.11 2014-01-01 99.07 2014-02-01 98.83 2014-03-01 98.56 2014-04-01 98.41 2014-05-01 98.31 2014-06-01 98.38 2014-07-01 97.57 2014-08-01 97.88 2014-09-01 98.73 2014-10-01 98.87 2014-11-01 98.82 2014-12-01 98.77 2015-01-01 98.62 2015-02-01 98.62 2015-03-01 98.70 2015-04-01 98.46 2015-05-01 97.98 2015-06-01 98.03 2015-07-01 98.28 2015-08-01 98.36 2015-09-01 99.46 2015-10-01 103.00 2015-11-01 104.96 2015-12-01 105.52 2016-01-01 105.90 2016-02-01 106.08 2016-03-01 106.26 2016-04-01 105.60 2016-05-01 105.06 2016-06-01 105.09 2016-07-01 105.70 2016-08-01 106.83 2016-09-01 107.71 2016-10-01 108.47 2016-11-01 108.51 2016-12-01 109.00 2017-01-01 113.32 2017-02-01 115.57 2017-03-01 114.14 2017-04-01 112.09 2017-05-01 109.74 2017-06-01 108.55 2017-07-01 108.36 2017-08-01 109.99 2017-09-01 113.00 2017-10-01 116.68 2017-11-01 117.92 2017-12-01 118.07 2018-01-01 118.48 2018-02-01 119.58 2018-03-01 119.26 2018-04-01 118.39 2018-05-01 118.15 2018-06-01 119.27 2018-07-01 119.95 2018-08-01 120.80 2018-09-01 122.76 2018-10-01 124.88