Month Index 2015=100 1996-12-01 5.05 1997-01-01 5.86 1997-02-01 7.91 1997-03-01 8.83 1997-04-01 12.65 1997-05-01 19.05 1997-06-01 20.36 1997-07-01 25.14 1997-08-01 26.40 1997-09-01 26.44 1997-10-01 28.74 1997-11-01 30.46 1997-12-01 30.53 1998-01-01 30.56 1998-02-01 31.69 1998-03-01 31.69 1998-04-01 31.69 1998-05-01 32.49 1998-06-01 32.69 1998-07-01 32.69 1998-08-01 32.88 1998-09-01 32.88 1998-10-01 34.53 1998-11-01 36.27 1998-12-01 37.71 1999-01-01 39.21 1999-02-01 39.21 1999-03-01 41.04 1999-04-01 41.77 1999-05-01 41.89 1999-06-01 41.89 1999-07-01 44.88 1999-08-01 45.28 1999-09-01 48.83 1999-10-01 48.83 1999-11-01 48.83 1999-12-01 48.83 2000-01-01 48.83 2000-02-01 48.83 2000-03-01 50.70 2000-04-01 54.70 2000-05-01 54.70 2000-06-01 54.70 2000-07-01 54.70 2000-08-01 54.70 2000-09-01 60.12 2000-10-01 64.23 2000-11-01 64.23 2000-12-01 64.23 2001-01-01 66.01 2001-02-01 69.03 2001-03-01 70.41 2001-04-01 70.41 2001-05-01 70.41 2001-06-01 70.41 2001-07-01 70.41 2001-08-01 75.56 2001-09-01 76.66 2001-10-01 76.68 2001-11-01 76.68 2001-12-01 76.68 2002-01-01 76.68 2002-02-01 76.68 2002-03-01 76.68 2002-04-01 76.68 2002-05-01 76.68 2002-06-01 76.68 2002-07-01 76.68 2002-08-01 76.68 2002-09-01 76.68 2002-10-01 76.68 2002-11-01 76.68 2002-12-01 76.68 2003-01-01 76.68 2003-02-01 76.68 2003-03-01 76.68 2003-04-01 76.68 2003-05-01 76.68 2003-06-01 76.68 2003-07-01 76.68 2003-08-01 76.68 2003-09-01 76.68 2003-10-01 76.68 2003-11-01 76.68 2003-12-01 76.68 2004-01-01 76.68 2004-02-01 76.68 2004-03-01 76.68 2004-04-01 76.68 2004-05-01 78.51 2004-06-01 78.51 2004-07-01 78.51 2004-08-01 78.51 2004-09-01 78.51 2004-10-01 78.51 2004-11-01 78.51 2004-12-01 78.51 2005-01-01 78.51 2005-02-01 78.51 2005-03-01 78.51 2005-04-01 78.51 2005-05-01 78.51 2005-06-01 78.51 2005-07-01 78.51 2005-08-01 78.51 2005-09-01 78.51 2005-10-01 78.51 2005-11-01 78.51 2005-12-01 78.51 2006-01-01 78.51 2006-02-01 78.51 2006-03-01 78.51 2006-04-01 78.51 2006-05-01 78.51 2006-06-01 78.51 2006-07-01 78.51 2006-08-01 78.51 2006-09-01 78.51 2006-10-01 78.51 2006-11-01 78.51 2006-12-01 78.51 2007-01-01 78.51 2007-02-01 78.51 2007-03-01 78.51 2007-04-01 78.51 2007-05-01 78.51 2007-06-01 78.51 2007-07-01 78.51 2007-08-01 78.51 2007-09-01 78.51 2007-10-01 78.51 2007-11-01 78.51 2007-12-01 78.51 2008-01-01 78.51 2008-02-01 78.51 2008-03-01 78.51 2008-04-01 78.51 2008-05-01 78.51 2008-06-01 78.51 2008-07-01 79.97 2008-08-01 79.97 2008-09-01 81.03 2008-10-01 81.03 2008-11-01 83.16 2008-12-01 84.32 2009-01-01 86.90 2009-02-01 86.90 2009-03-01 86.96 2009-04-01 87.40 2009-05-01 87.40 2009-06-01 87.40 2009-07-01 87.40 2009-08-01 87.40 2009-09-01 87.40 2009-10-01 87.40 2009-11-01 87.40 2009-12-01 87.40 2010-01-01 87.49 2010-02-01 87.49 2010-03-01 87.49 2010-04-01 87.49 2010-05-01 87.49 2010-06-01 87.49 2010-07-01 87.49 2010-08-01 87.49 2010-09-01 88.00 2010-10-01 88.00 2010-11-01 88.00 2010-12-01 88.00 2011-01-01 88.00 2011-02-01 88.00 2011-03-01 88.00 2011-04-01 88.00 2011-05-01 88.00 2011-06-01 88.00 2011-07-01 88.00 2011-08-01 88.00 2011-09-01 87.99 2011-10-01 87.20 2011-11-01 87.20 2011-12-01 87.99 2012-01-01 87.99 2012-02-01 87.99 2012-03-01 88.08 2012-04-01 88.08 2012-05-01 88.08 2012-06-01 87.99 2012-07-01 87.99 2012-08-01 88.01 2012-09-01 89.75 2012-10-01 89.75 2012-11-01 89.75 2012-12-01 89.75 2013-01-01 89.75 2013-02-01 89.75 2013-03-01 89.75 2013-04-01 89.75 2013-05-01 89.75 2013-06-01 89.63 2013-07-01 90.42 2013-08-01 90.53 2013-09-01 91.72 2013-10-01 92.90 2013-11-01 92.90 2013-12-01 92.90 2014-01-01 92.90 2014-02-01 92.90 2014-03-01 92.90 2014-04-01 92.90 2014-05-01 92.90 2014-06-01 92.90 2014-07-01 92.79 2014-08-01 93.00 2014-09-01 93.00 2014-10-01 94.44 2014-11-01 98.74 2014-12-01 99.32 2015-01-01 99.63 2015-02-01 99.63 2015-03-01 99.79 2015-04-01 99.93 2015-05-01 99.95 2015-06-01 99.92 2015-07-01 99.89 2015-08-01 99.87 2015-09-01 100.03 2015-10-01 100.24 2015-11-01 100.24 2015-12-01 100.89 2016-01-01 100.89 2016-02-01 101.42 2016-03-01 100.42 2016-04-01 101.03 2016-05-01 101.64 2016-06-01 101.64 2016-07-01 102.99 2016-08-01 103.06 2016-09-01 103.06 2016-10-01 103.06 2016-11-01 103.06 2016-12-01 103.06 2017-01-01 103.08 2017-02-01 104.25 2017-03-01 104.99 2017-04-01 105.20 2017-05-01 105.77 2017-06-01 106.36 2017-07-01 106.21 2017-08-01 106.21 2017-09-01 106.21 2017-10-01 106.97 2017-11-01 107.25 2017-12-01 107.24 2018-01-01 108.29 2018-02-01 108.89 2018-03-01 108.59 2018-04-01 109.29 2018-05-01 111.57 2018-06-01 112.87 2018-07-01 114.06 2018-08-01 115.27 2018-09-01 120.00 2018-10-01 120.68