Month Index 2015=100 1996-01-01 18.40 1996-02-01 18.92 1996-03-01 18.92 1996-04-01 18.92 1996-05-01 19.05 1996-06-01 19.05 1996-07-01 19.18 1996-08-01 19.70 1996-09-01 19.70 1996-10-01 19.70 1996-11-01 19.70 1996-12-01 19.70 1997-01-01 21.90 1997-02-01 21.90 1997-03-01 22.16 1997-04-01 22.16 1997-05-01 22.29 1997-06-01 23.07 1997-07-01 23.07 1997-08-01 23.07 1997-09-01 23.07 1997-10-01 23.20 1997-11-01 23.20 1997-12-01 23.20 1998-01-01 24.43 1998-02-01 24.60 1998-03-01 24.77 1998-04-01 24.77 1998-05-01 24.77 1998-06-01 24.77 1998-07-01 25.03 1998-08-01 25.11 1998-09-01 25.11 1998-10-01 25.11 1998-11-01 25.63 1998-12-01 25.71 1999-01-01 27.09 1999-02-01 27.26 1999-03-01 27.26 1999-04-01 27.26 1999-05-01 27.26 1999-06-01 27.26 1999-07-01 27.26 1999-08-01 27.69 1999-09-01 27.78 1999-10-01 27.78 1999-11-01 28.21 1999-12-01 28.39 2000-01-01 29.68 2000-02-01 29.68 2000-03-01 29.68 2000-04-01 30.01 2000-05-01 30.01 2000-06-01 30.01 2000-07-01 30.01 2000-08-01 30.01 2000-09-01 30.01 2000-10-01 30.01 2000-11-01 30.01 2000-12-01 30.01 2001-01-01 31.37 2001-02-01 31.75 2001-03-01 31.75 2001-04-01 31.75 2001-05-01 31.75 2001-06-01 31.89 2001-07-01 31.89 2001-08-01 32.08 2001-09-01 32.08 2001-10-01 32.21 2001-11-01 32.21 2001-12-01 32.45 2002-01-01 32.51 2002-02-01 32.51 2002-03-01 32.51 2002-04-01 32.51 2002-05-01 33.45 2002-06-01 34.35 2002-07-01 34.35 2002-08-01 34.61 2002-09-01 34.61 2002-10-01 34.75 2002-11-01 34.75 2002-12-01 34.75 2003-01-01 38.04 2003-02-01 38.18 2003-03-01 38.18 2003-04-01 38.86 2003-05-01 39.11 2003-06-01 39.11 2003-07-01 39.11 2003-08-01 39.11 2003-09-01 39.43 2003-10-01 39.43 2003-11-01 39.43 2003-12-01 39.76 2004-01-01 40.84 2004-02-01 40.84 2004-03-01 40.84 2004-04-01 40.84 2004-05-01 40.18 2004-06-01 40.18 2004-07-01 40.18 2004-08-01 40.38 2004-09-01 40.38 2004-10-01 40.38 2004-11-01 40.38 2004-12-01 40.38 2005-01-01 40.41 2005-02-01 40.41 2005-03-01 40.41 2005-04-01 40.41 2005-05-01 40.41 2005-06-01 40.41 2005-07-01 41.08 2005-08-01 41.08 2005-09-01 41.08 2005-10-01 41.83 2005-11-01 43.42 2005-12-01 43.75 2006-01-01 45.89 2006-02-01 45.89 2006-03-01 45.89 2006-04-01 45.89 2006-05-01 45.89 2006-06-01 46.17 2006-07-01 47.07 2006-08-01 47.63 2006-09-01 48.00 2006-10-01 48.00 2006-11-01 48.00 2006-12-01 48.84 2007-01-01 51.26 2007-02-01 54.12 2007-03-01 54.12 2007-04-01 54.77 2007-05-01 54.96 2007-06-01 56.03 2007-07-01 56.47 2007-08-01 56.47 2007-09-01 56.47 2007-10-01 62.16 2007-11-01 62.68 2007-12-01 63.16 2008-01-01 65.14 2008-02-01 67.31 2008-03-01 67.31 2008-04-01 70.22 2008-05-01 72.87 2008-06-01 72.87 2008-07-01 73.17 2008-08-01 73.17 2008-09-01 75.15 2008-10-01 75.15 2008-11-01 75.15 2008-12-01 76.60 2009-01-01 89.11 2009-02-01 89.94 2009-03-01 89.94 2009-04-01 89.94 2009-05-01 89.94 2009-06-01 89.94 2009-07-01 89.94 2009-08-01 89.56 2009-09-01 89.18 2009-10-01 89.18 2009-11-01 89.18 2009-12-01 89.18 2010-01-01 89.56 2010-02-01 89.56 2010-03-01 89.56 2010-04-01 90.05 2010-05-01 89.39 2010-06-01 89.39 2010-07-01 89.39 2010-08-01 91.92 2010-09-01 91.92 2010-10-01 91.92 2010-11-01 91.92 2010-12-01 91.92 2011-01-01 92.57 2011-02-01 92.57 2011-03-01 92.57 2011-04-01 92.57 2011-05-01 92.57 2011-06-01 92.57 2011-07-01 92.57 2011-08-01 92.57 2011-09-01 92.57 2011-10-01 92.57 2011-11-01 92.57 2011-12-01 92.57 2012-01-01 92.57 2012-02-01 92.57 2012-03-01 92.95 2012-04-01 92.95 2012-05-01 92.95 2012-06-01 92.95 2012-07-01 92.21 2012-08-01 92.21 2012-09-01 92.21 2012-10-01 92.21 2012-11-01 92.21 2012-12-01 92.21 2013-01-01 92.21 2013-02-01 92.21 2013-03-01 92.21 2013-04-01 92.21 2013-05-01 92.21 2013-06-01 92.21 2013-07-01 92.21 2013-08-01 92.21 2013-09-01 92.21 2013-10-01 92.21 2013-11-01 92.21 2013-12-01 92.21 2014-01-01 92.14 2014-02-01 92.16 2014-03-01 92.16 2014-04-01 92.16 2014-05-01 92.70 2014-06-01 92.70 2014-07-01 99.38 2014-08-01 99.38 2014-09-01 99.38 2014-10-01 99.38 2014-11-01 99.38 2014-12-01 99.38 2015-01-01 100.00 2015-02-01 100.00 2015-03-01 100.00 2015-04-01 100.00 2015-05-01 100.00 2015-06-01 100.00 2015-07-01 100.00 2015-08-01 100.00 2015-09-01 100.00 2015-10-01 100.00 2015-11-01 100.00 2015-12-01 100.00 2016-01-01 100.00 2016-02-01 100.00 2016-03-01 100.00 2016-04-01 101.38 2016-05-01 101.38 2016-06-01 101.38 2016-07-01 101.38 2016-08-01 101.98 2016-09-01 101.98 2016-10-01 101.98 2016-11-01 101.98 2016-12-01 101.98 2017-01-01 101.98 2017-02-01 101.98 2017-03-01 101.98 2017-04-01 101.98 2017-05-01 101.98 2017-06-01 101.98 2017-07-01 101.98 2017-08-01 101.98 2017-09-01 101.98 2017-10-01 101.98 2017-11-01 101.98 2017-12-01 101.98 2018-01-01 101.98 2018-02-01 101.75 2018-03-01 101.75 2018-04-01 101.75 2018-05-01 101.75 2018-06-01 114.93 2018-07-01 114.93 2018-08-01 116.08 2018-09-01 116.08 2018-10-01 116.08