Month Index 2015=100 1996-01-01 27.83 1996-02-01 30.18 1996-03-01 30.18 1996-04-01 30.18 1996-05-01 30.18 1996-06-01 30.19 1996-07-01 30.30 1996-08-01 30.38 1996-09-01 30.41 1996-10-01 30.46 1996-11-01 30.46 1996-12-01 30.46 1997-01-01 32.53 1997-02-01 32.58 1997-03-01 32.58 1997-04-01 32.58 1997-05-01 32.58 1997-06-01 32.58 1997-07-01 32.58 1997-08-01 32.58 1997-09-01 32.58 1997-10-01 32.59 1997-11-01 32.60 1997-12-01 32.60 1998-01-01 32.64 1998-02-01 32.65 1998-03-01 32.65 1998-04-01 32.65 1998-05-01 32.65 1998-06-01 36.84 1998-07-01 36.91 1998-08-01 36.91 1998-09-01 36.92 1998-10-01 36.92 1998-11-01 36.92 1998-12-01 36.92 1999-01-01 36.68 1999-02-01 36.69 1999-03-01 36.69 1999-04-01 36.69 1999-05-01 36.86 1999-06-01 36.86 1999-07-01 36.86 1999-08-01 36.86 1999-09-01 37.19 1999-10-01 37.36 1999-11-01 37.36 1999-12-01 37.42 2000-01-01 37.42 2000-02-01 39.60 2000-03-01 39.60 2000-04-01 41.09 2000-05-01 41.09 2000-06-01 41.09 2000-07-01 41.09 2000-08-01 41.12 2000-09-01 41.12 2000-10-01 41.12 2000-11-01 41.12 2000-12-01 41.12 2001-01-01 41.12 2001-02-01 41.12 2001-03-01 41.12 2001-04-01 41.12 2001-05-01 41.12 2001-06-01 41.12 2001-07-01 41.12 2001-08-01 41.12 2001-09-01 41.12 2001-10-01 41.12 2001-11-01 41.12 2001-12-01 41.31 2002-01-01 41.52 2002-02-01 41.52 2002-03-01 41.52 2002-04-01 41.52 2002-05-01 41.52 2002-06-01 41.52 2002-07-01 41.73 2002-08-01 41.73 2002-09-01 41.73 2002-10-01 41.73 2002-11-01 41.73 2002-12-01 41.73 2003-01-01 41.77 2003-02-01 41.77 2003-03-01 41.77 2003-04-01 41.98 2003-05-01 42.04 2003-06-01 42.04 2003-07-01 42.32 2003-08-01 42.32 2003-09-01 42.33 2003-10-01 42.33 2003-11-01 42.35 2003-12-01 42.35 2004-01-01 42.13 2004-02-01 42.15 2004-03-01 42.16 2004-04-01 42.25 2004-05-01 42.34 2004-06-01 42.36 2004-07-01 42.38 2004-08-01 42.88 2004-09-01 43.19 2004-10-01 43.22 2004-11-01 43.52 2004-12-01 44.04 2005-01-01 44.85 2005-02-01 45.05 2005-03-01 45.05 2005-04-01 45.12 2005-05-01 46.56 2005-06-01 46.74 2005-07-01 47.73 2005-08-01 47.99 2005-09-01 49.20 2005-10-01 49.95 2005-11-01 50.21 2005-12-01 50.44 2006-01-01 50.56 2006-02-01 50.88 2006-03-01 50.91 2006-04-01 50.96 2006-05-01 51.01 2006-06-01 51.96 2006-07-01 52.27 2006-08-01 52.91 2006-09-01 53.28 2006-10-01 53.54 2006-11-01 54.19 2006-12-01 54.66 2007-01-01 55.12 2007-02-01 60.31 2007-03-01 59.93 2007-04-01 60.35 2007-05-01 60.55 2007-06-01 60.55 2007-07-01 61.00 2007-08-01 61.82 2007-09-01 62.14 2007-10-01 62.20 2007-11-01 62.34 2007-12-01 62.48 2008-01-01 67.16 2008-02-01 68.31 2008-03-01 68.71 2008-04-01 69.00 2008-05-01 69.34 2008-06-01 69.36 2008-07-01 74.99 2008-08-01 76.98 2008-09-01 79.06 2008-10-01 79.97 2008-11-01 80.53 2008-12-01 80.58 2009-01-01 84.12 2009-02-01 84.61 2009-03-01 84.83 2009-04-01 84.97 2009-05-01 84.49 2009-06-01 84.43 2009-07-01 83.73 2009-08-01 83.81 2009-09-01 84.36 2009-10-01 84.83 2009-11-01 84.88 2009-12-01 84.95 2010-01-01 88.10 2010-02-01 88.13 2010-03-01 88.15 2010-04-01 88.09 2010-05-01 88.18 2010-06-01 88.19 2010-07-01 88.22 2010-08-01 88.25 2010-09-01 88.00 2010-10-01 87.87 2010-11-01 87.91 2010-12-01 87.94 2011-01-01 88.15 2011-02-01 88.93 2011-03-01 89.31 2011-04-01 89.18 2011-05-01 89.23 2011-06-01 89.78 2011-07-01 89.98 2011-08-01 90.00 2011-09-01 89.51 2011-10-01 89.75 2011-11-01 89.67 2011-12-01 90.01 2012-01-01 90.31 2012-02-01 90.54 2012-03-01 90.63 2012-04-01 93.23 2012-05-01 93.24 2012-06-01 93.71 2012-07-01 93.76 2012-08-01 93.76 2012-09-01 92.05 2012-10-01 92.05 2012-11-01 92.06 2012-12-01 92.38 2013-01-01 92.17 2013-02-01 92.17 2013-03-01 92.17 2013-04-01 91.63 2013-05-01 91.61 2013-06-01 91.75 2013-07-01 91.74 2013-08-01 91.66 2013-09-01 91.61 2013-10-01 91.55 2013-11-01 91.64 2013-12-01 91.62 2014-01-01 90.45 2014-02-01 90.55 2014-03-01 90.53 2014-04-01 90.62 2014-05-01 90.65 2014-06-01 90.80 2014-07-01 91.12 2014-08-01 91.01 2014-09-01 90.74 2014-10-01 90.74 2014-11-01 90.74 2014-12-01 90.74 2015-01-01 90.92 2015-02-01 99.99 2015-03-01 100.04 2015-04-01 100.06 2015-05-01 100.06 2015-06-01 100.59 2015-07-01 100.87 2015-08-01 101.37 2015-09-01 101.13 2015-10-01 102.05 2015-11-01 101.42 2015-12-01 101.50 2016-01-01 101.47 2016-02-01 101.50 2016-03-01 101.52 2016-04-01 101.55 2016-05-01 101.57 2016-06-01 101.59 2016-07-01 102.17 2016-08-01 102.18 2016-09-01 100.79 2016-10-01 100.81 2016-11-01 100.23 2016-12-01 101.20 2017-01-01 100.35 2017-02-01 100.44 2017-03-01 100.45 2017-04-01 100.36 2017-05-01 100.34 2017-06-01 100.57 2017-07-01 100.88 2017-08-01 100.84 2017-09-01 100.49 2017-10-01 100.23 2017-11-01 100.25 2017-12-01 100.48 2018-01-01 99.97 2018-02-01 99.98 2018-03-01 99.97 2018-04-01 99.99 2018-05-01 100.00 2018-06-01 100.51 2018-07-01 100.86 2018-08-01 100.90 2018-09-01 100.85 2018-10-01 100.75