Month Index 2015=100 1996-12-01 0.99 1997-01-01 2.52 1997-02-01 2.82 1997-03-01 3.37 1997-04-01 3.74 1997-05-01 4.31 1997-06-01 4.82 1997-07-01 5.32 1997-08-01 5.62 1997-09-01 5.90 1997-10-01 6.19 1997-11-01 6.32 1997-12-01 6.41 1998-01-01 6.62 1998-02-01 6.83 1998-03-01 7.29 1998-04-01 7.37 1998-05-01 7.45 1998-06-01 7.77 1998-07-01 11.88 1998-08-01 18.56 1998-09-01 23.24 1998-10-01 24.25 1998-11-01 24.24 1998-12-01 24.45 1999-01-01 25.33 1999-02-01 25.71 1999-03-01 25.21 1999-04-01 25.20 1999-05-01 25.48 1999-06-01 25.58 1999-07-01 26.02 1999-08-01 27.62 1999-09-01 27.91 1999-10-01 27.99 1999-11-01 28.13 1999-12-01 28.27 2000-01-01 28.27 2000-02-01 29.77 2000-03-01 33.47 2000-04-01 34.88 2000-05-01 34.88 2000-06-01 34.88 2000-07-01 34.88 2000-08-01 34.88 2000-09-01 34.88 2000-10-01 34.88 2000-11-01 34.88 2000-12-01 34.88 2001-01-01 38.19 2001-02-01 40.89 2001-03-01 42.46 2001-04-01 44.14 2001-05-01 44.14 2001-06-01 44.14 2001-07-01 44.14 2001-08-01 44.14 2001-09-01 44.14 2001-10-01 44.14 2001-11-01 44.14 2001-12-01 44.14 2002-01-01 55.46 2002-02-01 63.22 2002-03-01 63.28 2002-04-01 63.28 2002-05-01 63.28 2002-06-01 63.28 2002-07-01 62.83 2002-08-01 62.83 2002-09-01 62.83 2002-10-01 62.83 2002-11-01 62.83 2002-12-01 62.83 2003-01-01 65.17 2003-02-01 65.07 2003-03-01 65.01 2003-04-01 65.01 2003-05-01 65.01 2003-06-01 65.01 2003-07-01 65.01 2003-08-01 65.01 2003-09-01 65.01 2003-10-01 65.01 2003-11-01 65.01 2003-12-01 65.01 2004-01-01 64.84 2004-02-01 62.66 2004-03-01 62.37 2004-04-01 62.37 2004-05-01 62.37 2004-06-01 62.37 2004-07-01 62.37 2004-08-01 62.37 2004-09-01 62.37 2004-10-01 62.37 2004-11-01 62.37 2004-12-01 62.37 2005-01-01 62.70 2005-02-01 63.08 2005-03-01 62.95 2005-04-01 62.95 2005-05-01 62.95 2005-06-01 62.95 2005-07-01 62.95 2005-08-01 62.95 2005-09-01 62.95 2005-10-01 62.95 2005-11-01 62.95 2005-12-01 62.95 2006-01-01 62.95 2006-02-01 63.41 2006-03-01 72.75 2006-04-01 75.21 2006-05-01 75.21 2006-06-01 75.21 2006-07-01 75.21 2006-08-01 75.21 2006-09-01 75.21 2006-10-01 75.21 2006-11-01 75.21 2006-12-01 75.21 2007-01-01 75.38 2007-02-01 75.08 2007-03-01 77.78 2007-04-01 79.00 2007-05-01 79.00 2007-06-01 79.00 2007-07-01 79.00 2007-08-01 79.00 2007-09-01 79.00 2007-10-01 79.00 2007-11-01 79.00 2007-12-01 79.00 2008-01-01 78.32 2008-02-01 78.51 2008-03-01 78.68 2008-04-01 80.74 2008-05-01 81.53 2008-06-01 81.53 2008-07-01 81.53 2008-08-01 81.53 2008-09-01 81.53 2008-10-01 81.53 2008-11-01 81.53 2008-12-01 81.53 2009-01-01 81.53 2009-02-01 83.37 2009-03-01 89.99 2009-04-01 94.28 2009-05-01 94.34 2009-06-01 94.83 2009-07-01 94.83 2009-08-01 94.83 2009-09-01 94.83 2009-10-01 94.83 2009-11-01 94.83 2009-12-01 94.83 2010-01-01 96.54 2010-02-01 95.89 2010-03-01 94.04 2010-04-01 94.15 2010-05-01 94.13 2010-06-01 94.13 2010-07-01 94.13 2010-08-01 94.13 2010-09-01 94.13 2010-10-01 94.13 2010-11-01 94.13 2010-12-01 94.13 2011-01-01 94.13 2011-02-01 93.38 2011-03-01 91.71 2011-04-01 91.86 2011-05-01 91.82 2011-06-01 91.82 2011-07-01 91.82 2011-08-01 91.82 2011-09-01 91.82 2011-10-01 91.82 2011-11-01 91.82 2011-12-01 91.82 2012-01-01 91.82 2012-02-01 90.94 2012-03-01 94.80 2012-04-01 94.87 2012-05-01 94.84 2012-06-01 94.84 2012-07-01 94.84 2012-08-01 94.84 2012-09-01 94.84 2012-10-01 94.84 2012-11-01 94.84 2012-12-01 94.84 2013-01-01 94.84 2013-02-01 96.35 2013-03-01 98.02 2013-04-01 98.00 2013-05-01 99.39 2013-06-01 99.38 2013-07-01 99.38 2013-08-01 99.38 2013-09-01 99.38 2013-10-01 99.38 2013-11-01 99.38 2013-12-01 99.38 2014-01-01 99.38 2014-02-01 98.77 2014-03-01 100.54 2014-04-01 100.41 2014-05-01 100.41 2014-06-01 100.41 2014-07-01 100.41 2014-08-01 100.41 2014-09-01 100.41 2014-10-01 100.41 2014-11-01 100.41 2014-12-01 100.41 2015-01-01 100.41 2015-02-01 100.33 2015-03-01 99.98 2015-04-01 99.92 2015-05-01 99.92 2015-06-01 99.92 2015-07-01 99.92 2015-08-01 99.92 2015-09-01 99.92 2015-10-01 99.92 2015-11-01 99.92 2015-12-01 99.92 2016-01-01 99.92 2016-02-01 101.97 2016-03-01 101.40 2016-04-01 102.12 2016-05-01 102.12 2016-06-01 102.12 2016-07-01 102.12 2016-08-01 102.12 2016-09-01 102.12 2016-10-01 102.12 2016-11-01 102.12 2016-12-01 102.12 2017-01-01 102.12 2017-02-01 101.96 2017-03-01 101.68 2017-04-01 101.88 2017-05-01 101.87 2017-06-01 101.87 2017-07-01 101.87 2017-08-01 101.87 2017-09-01 101.87 2017-10-01 101.87 2017-11-01 101.87 2017-12-01 101.87 2018-01-01 101.78 2018-02-01 101.48 2018-03-01 102.41 2018-04-01 102.30 2018-05-01 102.30 2018-06-01 102.30 2018-07-01 102.30 2018-08-01 102.30 2018-09-01 102.30 2018-10-01 102.30