Month Index 2015=100 1996-01-01 27.09 1996-02-01 27.26 1996-03-01 27.28 1996-04-01 27.28 1996-05-01 27.33 1996-06-01 28.49 1996-07-01 28.81 1996-08-01 28.95 1996-09-01 29.02 1996-10-01 29.18 1996-11-01 29.21 1996-12-01 29.23 1997-01-01 29.29 1997-02-01 29.36 1997-03-01 29.53 1997-04-01 29.68 1997-05-01 29.80 1997-06-01 29.81 1997-07-01 30.14 1997-08-01 30.54 1997-09-01 30.77 1997-10-01 30.79 1997-11-01 30.87 1997-12-01 30.95 1998-01-01 31.20 1998-02-01 31.23 1998-03-01 31.45 1998-04-01 31.46 1998-05-01 31.58 1998-06-01 31.64 1998-07-01 31.87 1998-08-01 32.10 1998-09-01 32.12 1998-10-01 32.22 1998-11-01 32.23 1998-12-01 32.32 1999-01-01 32.80 1999-02-01 33.31 1999-03-01 33.43 1999-04-01 33.31 1999-05-01 33.60 1999-06-01 33.79 1999-07-01 33.97 1999-08-01 34.07 1999-09-01 34.55 1999-10-01 34.82 1999-11-01 35.02 1999-12-01 35.10 2000-01-01 35.88 2000-02-01 36.12 2000-03-01 36.29 2000-04-01 36.29 2000-05-01 36.19 2000-06-01 36.28 2000-07-01 36.39 2000-08-01 36.46 2000-09-01 36.49 2000-10-01 36.49 2000-11-01 36.52 2000-12-01 36.53 2001-01-01 36.56 2001-02-01 36.67 2001-03-01 36.72 2001-04-01 36.93 2001-05-01 37.25 2001-06-01 37.38 2001-07-01 37.60 2001-08-01 37.61 2001-09-01 37.70 2001-10-01 37.76 2001-11-01 37.81 2001-12-01 37.76 2002-01-01 37.95 2002-02-01 37.97 2002-03-01 37.92 2002-04-01 37.98 2002-05-01 37.89 2002-06-01 38.14 2002-07-01 38.51 2002-08-01 38.58 2002-09-01 38.66 2002-10-01 38.73 2002-11-01 38.85 2002-12-01 38.92 2003-01-01 39.11 2003-02-01 38.73 2003-03-01 38.65 2003-04-01 38.66 2003-05-01 38.63 2003-06-01 38.77 2003-07-01 39.20 2003-08-01 39.44 2003-09-01 39.46 2003-10-01 39.09 2003-11-01 38.90 2003-12-01 39.07 2004-01-01 40.02 2004-02-01 40.36 2004-03-01 40.50 2004-04-01 40.96 2004-05-01 41.20 2004-06-01 41.26 2004-07-01 41.32 2004-08-01 41.33 2004-09-01 41.15 2004-10-01 41.16 2004-11-01 41.05 2004-12-01 40.96 2005-01-01 41.00 2005-02-01 41.14 2005-03-01 41.49 2005-04-01 41.79 2005-05-01 42.21 2005-06-01 42.61 2005-07-01 42.97 2005-08-01 43.47 2005-09-01 43.67 2005-10-01 43.73 2005-11-01 43.91 2005-12-01 43.79 2006-01-01 44.75 2006-02-01 44.96 2006-03-01 45.06 2006-04-01 45.21 2006-05-01 45.43 2006-06-01 45.90 2006-07-01 46.99 2006-08-01 47.33 2006-09-01 47.65 2006-10-01 47.53 2006-11-01 47.37 2006-12-01 47.24 2007-01-01 47.82 2007-02-01 48.38 2007-03-01 48.90 2007-04-01 49.08 2007-05-01 49.45 2007-06-01 50.61 2007-07-01 53.70 2007-08-01 56.07 2007-09-01 56.49 2007-10-01 56.49 2007-11-01 56.73 2007-12-01 57.12 2008-01-01 66.58 2008-02-01 70.12 2008-03-01 70.99 2008-04-01 71.68 2008-05-01 72.47 2008-06-01 73.12 2008-07-01 72.98 2008-08-01 73.36 2008-09-01 73.25 2008-10-01 73.29 2008-11-01 73.11 2008-12-01 72.89 2009-01-01 76.52 2009-02-01 84.63 2009-03-01 84.62 2009-04-01 85.52 2009-05-01 85.84 2009-06-01 86.45 2009-07-01 89.28 2009-08-01 88.91 2009-09-01 88.88 2009-10-01 88.67 2009-11-01 87.69 2009-12-01 87.42 2010-01-01 88.20 2010-02-01 88.70 2010-03-01 88.63 2010-04-01 88.71 2010-05-01 88.89 2010-06-01 88.98 2010-07-01 89.04 2010-08-01 88.57 2010-09-01 89.00 2010-10-01 88.80 2010-11-01 88.75 2010-12-01 88.81 2011-01-01 90.06 2011-02-01 89.92 2011-03-01 89.46 2011-04-01 89.89 2011-05-01 89.92 2011-06-01 91.91 2011-07-01 92.04 2011-08-01 92.32 2011-09-01 93.91 2011-10-01 93.24 2011-11-01 94.04 2011-12-01 94.97 2012-01-01 93.59 2012-02-01 94.83 2012-03-01 95.46 2012-04-01 94.61 2012-05-01 95.32 2012-06-01 94.32 2012-07-01 94.35 2012-08-01 93.23 2012-09-01 94.38 2012-10-01 93.78 2012-11-01 95.01 2012-12-01 94.83 2013-01-01 95.00 2013-02-01 95.51 2013-03-01 95.04 2013-04-01 96.25 2013-05-01 96.99 2013-06-01 96.03 2013-07-01 97.39 2013-08-01 96.74 2013-09-01 96.77 2013-10-01 96.23 2013-11-01 94.94 2013-12-01 95.20 2014-01-01 96.60 2014-02-01 97.52 2014-03-01 96.15 2014-04-01 97.85 2014-05-01 98.13 2014-06-01 99.30 2014-07-01 98.35 2014-08-01 98.63 2014-09-01 99.50 2014-10-01 99.87 2014-11-01 99.06 2014-12-01 98.19 2015-01-01 98.70 2015-02-01 98.64 2015-03-01 98.55 2015-04-01 99.28 2015-05-01 98.44 2015-06-01 99.19 2015-07-01 99.26 2015-08-01 101.48 2015-09-01 101.45 2015-10-01 101.25 2015-11-01 101.37 2015-12-01 102.41 2016-01-01 101.34 2016-02-01 103.24 2016-03-01 103.43 2016-04-01 103.41 2016-05-01 104.14 2016-06-01 104.03 2016-07-01 103.13 2016-08-01 103.76 2016-09-01 102.63 2016-10-01 103.44 2016-11-01 103.12 2016-12-01 103.93 2017-01-01 103.77 2017-02-01 104.50 2017-03-01 105.69 2017-04-01 105.59 2017-05-01 105.25 2017-06-01 105.37 2017-07-01 105.91 2017-08-01 104.25 2017-09-01 104.38 2017-10-01 104.84 2017-11-01 104.22 2017-12-01 103.61 2018-01-01 104.85 2018-02-01 104.79 2018-03-01 110.14 2018-04-01 109.34 2018-05-01 109.58 2018-06-01 110.85 2018-07-01 110.37 2018-08-01 110.39 2018-09-01 110.33