Month Index 2015=100 1996-12-01 3.77 1997-01-01 5.00 1997-02-01 21.09 1997-03-01 24.92 1997-04-01 29.35 1997-05-01 31.54 1997-06-01 32.58 1997-07-01 33.72 1997-08-01 35.32 1997-09-01 36.00 1997-10-01 37.46 1997-11-01 38.52 1997-12-01 38.49 1998-01-01 38.62 1998-02-01 38.85 1998-03-01 38.82 1998-04-01 38.94 1998-05-01 38.35 1998-06-01 36.73 1998-07-01 37.20 1998-08-01 37.80 1998-09-01 37.94 1998-10-01 37.92 1998-11-01 37.94 1998-12-01 38.36 1999-01-01 38.45 1999-02-01 38.40 1999-03-01 38.51 1999-04-01 38.51 1999-05-01 38.44 1999-06-01 38.45 1999-07-01 38.82 1999-08-01 38.80 1999-09-01 39.87 1999-10-01 40.47 1999-11-01 40.75 1999-12-01 41.33 2000-01-01 41.77 2000-02-01 42.27 2000-03-01 43.07 2000-04-01 43.92 2000-05-01 44.46 2000-06-01 44.98 2000-07-01 45.30 2000-08-01 45.57 2000-09-01 48.14 2000-10-01 49.75 2000-11-01 52.27 2000-12-01 53.80 2001-01-01 54.24 2001-02-01 54.71 2001-03-01 54.84 2001-04-01 54.87 2001-05-01 54.81 2001-06-01 54.78 2001-07-01 59.66 2001-08-01 66.47 2001-09-01 67.45 2001-10-01 67.82 2001-11-01 67.91 2001-12-01 67.95 2002-01-01 74.31 2002-02-01 80.58 2002-03-01 81.52 2002-04-01 82.22 2002-05-01 82.72 2002-06-01 82.73 2002-07-01 82.68 2002-08-01 82.07 2002-09-01 82.12 2002-10-01 81.76 2002-11-01 81.47 2002-12-01 81.42 2003-01-01 81.16 2003-02-01 81.05 2003-03-01 85.49 2003-04-01 86.94 2003-05-01 87.19 2003-06-01 86.86 2003-07-01 86.59 2003-08-01 86.36 2003-09-01 86.22 2003-10-01 86.14 2003-11-01 85.97 2003-12-01 85.59 2004-01-01 85.40 2004-02-01 85.14 2004-03-01 85.05 2004-04-01 85.28 2004-05-01 85.11 2004-06-01 84.98 2004-07-01 85.00 2004-08-01 84.70 2004-09-01 85.03 2004-10-01 85.08 2004-11-01 85.10 2004-12-01 87.35 2005-01-01 87.16 2005-02-01 88.72 2005-03-01 89.26 2005-04-01 89.83 2005-05-01 90.34 2005-06-01 90.49 2005-07-01 90.49 2005-08-01 91.83 2005-09-01 94.60 2005-10-01 95.98 2005-11-01 96.21 2005-12-01 96.34 2006-01-01 96.55 2006-02-01 96.33 2006-03-01 95.89 2006-04-01 95.90 2006-05-01 95.88 2006-06-01 96.12 2006-07-01 96.64 2006-08-01 96.81 2006-09-01 97.35 2006-10-01 97.43 2006-11-01 97.20 2006-12-01 97.20 2007-01-01 97.52 2007-02-01 97.90 2007-03-01 97.95 2007-04-01 98.29 2007-05-01 98.32 2007-06-01 98.50 2007-07-01 97.82 2007-08-01 98.05 2007-09-01 98.12 2007-10-01 98.00 2007-11-01 97.99 2007-12-01 98.18 2008-01-01 98.40 2008-02-01 100.74 2008-03-01 100.33 2008-04-01 100.38 2008-05-01 100.24 2008-06-01 100.24 2008-07-01 100.11 2008-08-01 100.35 2008-09-01 100.12 2008-10-01 100.33 2008-11-01 100.55 2008-12-01 100.69 2009-01-01 100.66 2009-02-01 100.22 2009-03-01 99.91 2009-04-01 99.94 2009-05-01 99.94 2009-06-01 103.10 2009-07-01 103.45 2009-08-01 104.10 2009-09-01 104.83 2009-10-01 105.41 2009-11-01 105.91 2009-12-01 106.07 2010-01-01 106.37 2010-02-01 105.80 2010-03-01 105.84 2010-04-01 105.89 2010-05-01 106.12 2010-06-01 106.20 2010-07-01 106.30 2010-08-01 106.50 2010-09-01 106.63 2010-10-01 106.49 2010-11-01 106.52 2010-12-01 106.91 2011-01-01 107.07 2011-02-01 107.17 2011-03-01 107.00 2011-04-01 107.12 2011-05-01 107.20 2011-06-01 107.29 2011-07-01 107.42 2011-08-01 107.42 2011-09-01 107.54 2011-10-01 107.78 2011-11-01 107.85 2011-12-01 107.99 2012-01-01 108.21 2012-02-01 108.30 2012-03-01 107.80 2012-04-01 107.88 2012-05-01 107.74 2012-06-01 107.58 2012-07-01 107.55 2012-08-01 107.64 2012-09-01 107.00 2012-10-01 105.98 2012-11-01 105.60 2012-12-01 105.31 2013-01-01 105.24 2013-02-01 104.94 2013-03-01 104.95 2013-04-01 104.45 2013-05-01 103.87 2013-06-01 103.69 2013-07-01 102.84 2013-08-01 102.88 2013-09-01 102.66 2013-10-01 102.84 2013-11-01 102.78 2013-12-01 102.85 2014-01-01 102.67 2014-02-01 102.96 2014-03-01 102.91 2014-04-01 103.10 2014-05-01 103.17 2014-06-01 102.83 2014-07-01 102.32 2014-08-01 101.56 2014-09-01 101.21 2014-10-01 100.99 2014-11-01 100.95 2014-12-01 100.98 2015-01-01 100.87 2015-02-01 100.93 2015-03-01 100.74 2015-04-01 100.83 2015-05-01 100.55 2015-06-01 99.62 2015-07-01 99.09 2015-08-01 99.05 2015-09-01 99.27 2015-10-01 99.59 2015-11-01 99.72 2015-12-01 99.74 2016-01-01 99.63 2016-02-01 99.84 2016-03-01 99.48 2016-04-01 99.71 2016-05-01 99.85 2016-06-01 99.80 2016-07-01 99.60 2016-08-01 99.47 2016-09-01 99.52 2016-10-01 99.50 2016-11-01 99.49 2016-12-01 99.38 2017-01-01 99.59 2017-02-01 99.67 2017-03-01 99.69 2017-04-01 99.72 2017-05-01 99.89 2017-06-01 99.80 2017-07-01 99.77 2017-08-01 99.74 2017-09-01 99.77 2017-10-01 99.79 2017-11-01 99.88 2017-12-01 99.81 2018-01-01 99.79 2018-02-01 99.91 2018-03-01 99.75 2018-04-01 99.76 2018-05-01 99.76 2018-06-01 99.92 2018-07-01 99.86 2018-08-01 100.01 2018-09-01 100.07 2018-10-01 100.04