Month Index 2015=100 1996-12-01 7.78 1997-01-01 11.42 1997-02-01 39.96 1997-03-01 41.80 1997-04-01 40.14 1997-05-01 40.05 1997-06-01 40.80 1997-07-01 41.93 1997-08-01 44.55 1997-09-01 46.38 1997-10-01 46.89 1997-11-01 47.42 1997-12-01 47.76 1998-01-01 47.89 1998-02-01 48.44 1998-03-01 48.87 1998-04-01 49.16 1998-05-01 48.88 1998-06-01 47.85 1998-07-01 48.12 1998-08-01 48.71 1998-09-01 49.44 1998-10-01 49.71 1998-11-01 49.43 1998-12-01 49.40 1999-01-01 50.23 1999-02-01 50.26 1999-03-01 49.80 1999-04-01 49.48 1999-05-01 49.04 1999-06-01 49.03 1999-07-01 50.17 1999-08-01 50.66 1999-09-01 51.16 1999-10-01 51.74 1999-11-01 51.94 1999-12-01 52.51 2000-01-01 53.17 2000-02-01 53.55 2000-03-01 53.65 2000-04-01 53.14 2000-05-01 53.07 2000-06-01 53.92 2000-07-01 54.28 2000-08-01 55.56 2000-09-01 56.42 2000-10-01 57.08 2000-11-01 57.60 2000-12-01 57.70 2001-01-01 58.18 2001-02-01 58.51 2001-03-01 58.57 2001-04-01 58.27 2001-05-01 58.16 2001-06-01 58.14 2001-07-01 58.57 2001-08-01 59.30 2001-09-01 59.72 2001-10-01 60.29 2001-11-01 60.47 2001-12-01 60.53 2002-01-01 61.48 2002-02-01 62.56 2002-03-01 63.02 2002-04-01 62.88 2002-05-01 62.58 2002-06-01 62.46 2002-07-01 62.40 2002-08-01 62.42 2002-09-01 62.55 2002-10-01 62.44 2002-11-01 62.39 2002-12-01 62.33 2003-01-01 62.55 2003-02-01 62.32 2003-03-01 62.64 2003-04-01 62.68 2003-05-01 62.59 2003-06-01 62.55 2003-07-01 63.07 2003-08-01 63.93 2003-09-01 64.21 2003-10-01 64.54 2003-11-01 65.50 2003-12-01 66.29 2004-01-01 67.16 2004-02-01 67.46 2004-03-01 67.42 2004-04-01 67.32 2004-05-01 67.42 2004-06-01 67.15 2004-07-01 67.23 2004-08-01 67.24 2004-09-01 67.31 2004-10-01 67.24 2004-11-01 67.44 2004-12-01 67.70 2005-01-01 68.02 2005-02-01 68.36 2005-03-01 68.50 2005-04-01 68.92 2005-05-01 69.01 2005-06-01 69.00 2005-07-01 69.74 2005-08-01 70.14 2005-09-01 70.69 2005-10-01 71.27 2005-11-01 71.55 2005-12-01 71.72 2006-01-01 72.30 2006-02-01 74.71 2006-03-01 74.97 2006-04-01 75.09 2006-05-01 75.07 2006-06-01 75.18 2006-07-01 75.56 2006-08-01 75.67 2006-09-01 75.76 2006-10-01 76.38 2006-11-01 76.93 2006-12-01 77.44 2007-01-01 78.46 2007-02-01 79.02 2007-03-01 79.08 2007-04-01 79.27 2007-05-01 79.55 2007-06-01 79.77 2007-07-01 80.87 2007-08-01 82.94 2007-09-01 83.83 2007-10-01 84.52 2007-11-01 85.73 2007-12-01 86.53 2008-01-01 87.56 2008-02-01 88.37 2008-03-01 89.21 2008-04-01 89.75 2008-05-01 90.41 2008-06-01 91.37 2008-07-01 92.34 2008-08-01 92.98 2008-09-01 93.31 2008-10-01 93.71 2008-11-01 93.69 2008-12-01 93.98 2009-01-01 94.24 2009-02-01 94.40 2009-03-01 94.38 2009-04-01 94.87 2009-05-01 94.90 2009-06-01 95.11 2009-07-01 95.55 2009-08-01 95.63 2009-09-01 95.47 2009-10-01 95.73 2009-11-01 95.76 2009-12-01 96.07 2010-01-01 96.20 2010-02-01 96.11 2010-03-01 96.20 2010-04-01 97.52 2010-05-01 97.37 2010-06-01 97.40 2010-07-01 97.87 2010-08-01 98.06 2010-09-01 98.00 2010-10-01 98.11 2010-11-01 98.37 2010-12-01 98.98 2011-01-01 99.25 2011-02-01 99.52 2011-03-01 99.77 2011-04-01 99.82 2011-05-01 99.80 2011-06-01 99.99 2011-07-01 100.33 2011-08-01 100.28 2011-09-01 100.25 2011-10-01 100.41 2011-11-01 100.41 2011-12-01 100.90 2012-01-01 100.82 2012-02-01 100.79 2012-03-01 100.77 2012-04-01 100.76 2012-05-01 100.92 2012-06-01 101.15 2012-07-01 101.62 2012-08-01 101.68 2012-09-01 101.26 2012-10-01 101.46 2012-11-01 101.58 2012-12-01 102.05 2013-01-01 102.00 2013-02-01 101.82 2013-03-01 101.63 2013-04-01 101.51 2013-05-01 101.57 2013-06-01 101.58 2013-07-01 101.90 2013-08-01 101.81 2013-09-01 101.06 2013-10-01 101.23 2013-11-01 101.29 2013-12-01 101.62 2014-01-01 101.13 2014-02-01 100.61 2014-03-01 100.40 2014-04-01 100.53 2014-05-01 100.31 2014-06-01 100.31 2014-07-01 100.64 2014-08-01 100.71 2014-09-01 99.60 2014-10-01 99.32 2014-11-01 99.36 2014-12-01 100.31 2015-01-01 100.23 2015-02-01 99.98 2015-03-01 99.57 2015-04-01 99.90 2015-05-01 99.97 2015-06-01 99.89 2015-07-01 100.40 2015-08-01 100.54 2015-09-01 99.77 2015-10-01 99.73 2015-11-01 99.66 2015-12-01 100.38 2016-01-01 100.24 2016-02-01 99.85 2016-03-01 99.44 2016-04-01 99.33 2016-05-01 99.16 2016-06-01 99.33 2016-07-01 100.11 2016-08-01 100.19 2016-09-01 99.27 2016-10-01 99.12 2016-11-01 99.03 2016-12-01 99.69 2017-01-01 99.55 2017-02-01 99.54 2017-03-01 98.96 2017-04-01 99.21 2017-05-01 99.14 2017-06-01 99.49 2017-07-01 100.27 2017-08-01 100.44 2017-09-01 99.79 2017-10-01 99.88 2017-11-01 100.00 2017-12-01 100.71 2018-01-01 100.78 2018-02-01 100.91 2018-03-01 100.89 2018-04-01 101.10 2018-05-01 101.13 2018-06-01 101.70 2018-07-01 102.91 2018-08-01 103.30 2018-09-01 102.42 2018-10-01 102.35