Month Index 2015=100 1996-12-01 3.38 1997-01-01 3.40 1997-02-01 3.40 1997-03-01 8.60 1997-04-01 14.69 1997-05-01 17.76 1997-06-01 20.45 1997-07-01 20.45 1997-08-01 21.98 1997-09-01 25.33 1997-10-01 25.29 1997-11-01 25.32 1997-12-01 25.38 1998-01-01 25.48 1998-02-01 25.56 1998-03-01 25.56 1998-04-01 25.56 1998-05-01 26.03 1998-06-01 26.83 1998-07-01 27.83 1998-08-01 29.26 1998-09-01 37.95 1998-10-01 38.32 1998-11-01 38.32 1998-12-01 38.17 1999-01-01 38.17 1999-02-01 38.17 1999-03-01 38.17 1999-04-01 38.22 1999-05-01 38.22 1999-06-01 38.22 1999-07-01 43.11 1999-08-01 43.41 1999-09-01 43.20 1999-10-01 43.06 1999-11-01 42.90 1999-12-01 42.90 2000-01-01 42.90 2000-02-01 42.90 2000-03-01 42.90 2000-04-01 42.90 2000-05-01 42.90 2000-06-01 42.90 2000-07-01 42.90 2000-08-01 42.90 2000-09-01 42.90 2000-10-01 42.90 2000-11-01 42.90 2000-12-01 42.90 2001-01-01 42.90 2001-02-01 42.90 2001-03-01 42.90 2001-04-01 42.90 2001-05-01 42.90 2001-06-01 42.90 2001-07-01 42.90 2001-08-01 42.90 2001-09-01 42.90 2001-10-01 47.19 2001-11-01 47.19 2001-12-01 45.26 2002-01-01 47.19 2002-02-01 47.19 2002-03-01 47.19 2002-04-01 47.19 2002-05-01 47.19 2002-06-01 47.19 2002-07-01 51.98 2002-08-01 51.98 2002-09-01 51.98 2002-10-01 51.98 2002-11-01 51.98 2002-12-01 51.98 2003-01-01 51.98 2003-02-01 51.98 2003-03-01 51.98 2003-04-01 51.98 2003-05-01 51.98 2003-06-01 51.98 2003-07-01 57.17 2003-08-01 57.17 2003-09-01 57.17 2003-10-01 57.17 2003-11-01 57.17 2003-12-01 57.17 2004-01-01 57.17 2004-02-01 57.17 2004-03-01 57.17 2004-04-01 57.17 2004-05-01 57.17 2004-06-01 57.17 2004-07-01 59.76 2004-08-01 59.76 2004-09-01 59.76 2004-10-01 59.76 2004-11-01 62.74 2004-12-01 62.74 2005-01-01 62.74 2005-02-01 62.85 2005-03-01 62.85 2005-04-01 62.85 2005-05-01 62.85 2005-06-01 62.93 2005-07-01 64.57 2005-08-01 64.67 2005-09-01 64.67 2005-10-01 64.67 2005-11-01 75.40 2005-12-01 75.61 2006-01-01 75.61 2006-02-01 75.66 2006-03-01 75.66 2006-04-01 75.66 2006-05-01 75.66 2006-06-01 75.66 2006-07-01 77.43 2006-08-01 77.46 2006-09-01 77.46 2006-10-01 77.46 2006-11-01 80.65 2006-12-01 80.65 2007-01-01 80.65 2007-02-01 80.65 2007-03-01 80.65 2007-04-01 80.65 2007-05-01 80.65 2007-06-01 80.65 2007-07-01 80.65 2007-08-01 80.57 2007-09-01 80.58 2007-10-01 80.51 2007-11-01 80.48 2007-12-01 80.48 2008-01-01 80.48 2008-02-01 80.48 2008-03-01 80.48 2008-04-01 80.48 2008-05-01 80.48 2008-06-01 80.48 2008-07-01 84.43 2008-08-01 84.43 2008-09-01 84.43 2008-10-01 84.58 2008-11-01 90.88 2008-12-01 90.88 2009-01-01 106.17 2009-02-01 106.17 2009-03-01 92.92 2009-04-01 91.85 2009-05-01 91.85 2009-06-01 91.85 2009-07-01 87.35 2009-08-01 87.35 2009-09-01 87.35 2009-10-01 87.35 2009-11-01 80.92 2009-12-01 80.92 2010-01-01 84.67 2010-02-01 84.67 2010-03-01 84.67 2010-04-01 87.85 2010-05-01 87.85 2010-06-01 87.85 2010-07-01 93.77 2010-08-01 93.77 2010-09-01 93.77 2010-10-01 93.77 2010-11-01 102.60 2010-12-01 102.60 2011-01-01 97.63 2011-02-01 97.63 2011-03-01 97.63 2011-04-01 97.63 2011-05-01 97.63 2011-06-01 97.63 2011-07-01 99.30 2011-08-01 99.30 2011-09-01 99.30 2011-10-01 100.51 2011-11-01 105.10 2011-12-01 105.10 2012-01-01 105.10 2012-02-01 105.10 2012-03-01 105.10 2012-04-01 113.36 2012-05-01 113.36 2012-06-01 113.36 2012-07-01 114.04 2012-08-01 114.04 2012-09-01 114.04 2012-10-01 114.04 2012-11-01 115.14 2012-12-01 115.14 2013-01-01 107.17 2013-02-01 107.17 2013-03-01 107.17 2013-04-01 103.12 2013-05-01 103.12 2013-06-01 103.12 2013-07-01 103.12 2013-08-01 103.10 2013-09-01 103.09 2013-10-01 103.09 2013-11-01 103.03 2013-12-01 103.03 2014-01-01 102.72 2014-02-01 102.72 2014-03-01 102.72 2014-04-01 102.72 2014-05-01 102.72 2014-06-01 102.72 2014-07-01 104.83 2014-08-01 104.83 2014-09-01 104.83 2014-10-01 104.83 2014-11-01 107.66 2014-12-01 107.66 2015-01-01 107.66 2015-02-01 107.66 2015-03-01 107.66 2015-04-01 100.95 2015-05-01 100.95 2015-06-01 100.95 2015-07-01 98.18 2015-08-01 98.18 2015-09-01 98.18 2015-10-01 96.59 2015-11-01 91.52 2015-12-01 91.52 2016-01-01 91.52 2016-02-01 91.52 2016-03-01 91.52 2016-04-01 86.85 2016-05-01 86.85 2016-06-01 86.85 2016-07-01 85.83 2016-08-01 85.83 2016-09-01 85.83 2016-10-01 85.83 2016-11-01 84.34 2016-12-01 84.34 2017-01-01 84.34 2017-02-01 84.34 2017-03-01 84.34 2017-04-01 97.91 2017-05-01 99.57 2017-06-01 99.57 2017-07-01 100.22 2017-08-01 100.22 2017-09-01 100.22 2017-10-01 100.22 2017-11-01 103.82 2017-12-01 103.82 2018-01-01 103.82 2018-02-01 103.82 2018-03-01 103.82 2018-04-01 103.82 2018-05-01 103.82 2018-06-01 103.82 2018-07-01 106.99 2018-08-01 106.99 2018-09-01 106.99 2018-10-01 110.17