Month Index 2015=100 1996-12-01 7.70 1997-01-01 11.48 1997-02-01 38.95 1997-03-01 42.02 1997-04-01 42.04 1997-05-01 42.86 1997-06-01 43.40 1997-07-01 44.51 1997-08-01 47.04 1997-09-01 48.89 1997-10-01 49.30 1997-11-01 49.79 1997-12-01 49.94 1998-01-01 51.04 1998-02-01 51.70 1998-03-01 51.77 1998-04-01 51.99 1998-05-01 51.07 1998-06-01 49.19 1998-07-01 48.81 1998-08-01 48.94 1998-09-01 50.55 1998-10-01 50.72 1998-11-01 50.43 1998-12-01 50.64 1999-01-01 51.55 1999-02-01 51.16 1999-03-01 50.63 1999-04-01 50.30 1999-05-01 49.83 1999-06-01 49.37 1999-07-01 51.12 1999-08-01 51.51 1999-09-01 52.31 1999-10-01 52.94 1999-11-01 53.17 1999-12-01 53.92 2000-01-01 55.27 2000-02-01 55.91 2000-03-01 55.73 2000-04-01 55.12 2000-05-01 55.18 2000-06-01 55.32 2000-07-01 55.67 2000-08-01 57.41 2000-09-01 58.76 2000-10-01 59.51 2000-11-01 59.99 2000-12-01 60.25 2001-01-01 60.65 2001-02-01 60.86 2001-03-01 60.88 2001-04-01 60.76 2001-05-01 60.80 2001-06-01 60.76 2001-07-01 60.63 2001-08-01 60.83 2001-09-01 61.63 2001-10-01 62.73 2001-11-01 62.87 2001-12-01 63.27 2002-01-01 65.01 2002-02-01 65.72 2002-03-01 65.92 2002-04-01 65.82 2002-05-01 64.38 2002-06-01 63.20 2002-07-01 63.28 2002-08-01 62.84 2002-09-01 63.37 2002-10-01 64.02 2002-11-01 64.14 2002-12-01 64.98 2003-01-01 65.40 2003-02-01 65.49 2003-03-01 65.74 2003-04-01 65.94 2003-05-01 65.52 2003-06-01 64.03 2003-07-01 64.63 2003-08-01 65.13 2003-09-01 65.77 2003-10-01 66.25 2003-11-01 67.51 2003-12-01 68.77 2004-01-01 69.29 2004-02-01 69.23 2004-03-01 69.14 2004-04-01 69.34 2004-05-01 69.35 2004-06-01 68.05 2004-07-01 68.92 2004-08-01 68.59 2004-09-01 69.27 2004-10-01 69.39 2004-11-01 69.84 2004-12-01 70.77 2005-01-01 71.20 2005-02-01 71.75 2005-03-01 72.09 2005-04-01 72.97 2005-05-01 72.82 2005-06-01 72.49 2005-07-01 73.06 2005-08-01 73.56 2005-09-01 74.46 2005-10-01 75.07 2005-11-01 75.42 2005-12-01 75.95 2006-01-01 76.47 2006-02-01 76.94 2006-03-01 76.99 2006-04-01 77.50 2006-05-01 77.68 2006-06-01 76.87 2006-07-01 77.05 2006-08-01 77.02 2006-09-01 76.69 2006-10-01 77.24 2006-11-01 78.12 2006-12-01 78.88 2007-01-01 80.09 2007-02-01 80.53 2007-03-01 80.72 2007-04-01 81.25 2007-05-01 81.53 2007-06-01 81.34 2007-07-01 82.80 2007-08-01 84.74 2007-09-01 85.79 2007-10-01 86.08 2007-11-01 87.68 2007-12-01 88.63 2008-01-01 90.07 2008-02-01 91.04 2008-03-01 91.82 2008-04-01 92.40 2008-05-01 93.08 2008-06-01 93.41 2008-07-01 94.75 2008-08-01 94.61 2008-09-01 95.46 2008-10-01 95.54 2008-11-01 95.10 2008-12-01 94.67 2009-01-01 95.10 2009-02-01 95.47 2009-03-01 95.05 2009-04-01 95.05 2009-05-01 95.03 2009-06-01 95.13 2009-07-01 94.96 2009-08-01 95.09 2009-09-01 94.91 2009-10-01 95.07 2009-11-01 95.25 2009-12-01 95.57 2010-01-01 96.12 2010-02-01 96.34 2010-03-01 96.63 2010-04-01 96.67 2010-05-01 96.66 2010-06-01 96.20 2010-07-01 96.72 2010-08-01 96.90 2010-09-01 97.12 2010-10-01 97.30 2010-11-01 97.85 2010-12-01 98.66 2011-01-01 99.15 2011-02-01 99.73 2011-03-01 100.18 2011-04-01 100.08 2011-05-01 100.22 2011-06-01 99.86 2011-07-01 100.30 2011-08-01 100.17 2011-09-01 100.16 2011-10-01 100.51 2011-11-01 100.62 2011-12-01 100.90 2012-01-01 101.28 2012-02-01 101.93 2012-03-01 102.08 2012-04-01 102.35 2012-05-01 102.23 2012-06-01 101.64 2012-07-01 102.89 2012-08-01 103.50 2012-09-01 103.89 2012-10-01 103.81 2012-11-01 103.55 2012-12-01 103.88 2013-01-01 104.13 2013-02-01 104.30 2013-03-01 103.79 2013-04-01 103.30 2013-05-01 103.24 2013-06-01 102.93 2013-07-01 102.84 2013-08-01 102.62 2013-09-01 102.34 2013-10-01 102.49 2013-11-01 102.33 2013-12-01 102.78 2014-01-01 102.45 2014-02-01 101.80 2014-03-01 101.49 2014-04-01 101.74 2014-05-01 101.19 2014-06-01 100.87 2014-07-01 101.54 2014-08-01 101.42 2014-09-01 100.68 2014-10-01 100.76 2014-11-01 100.19 2014-12-01 100.57 2015-01-01 99.80 2015-02-01 99.88 2015-03-01 100.22 2015-04-01 100.72 2015-05-01 100.77 2015-06-01 100.16 2015-07-01 100.38 2015-08-01 100.44 2015-09-01 99.57 2015-10-01 99.40 2015-11-01 99.11 2015-12-01 99.53 2016-01-01 99.29 2016-02-01 98.71 2016-03-01 98.05 2016-04-01 97.84 2016-05-01 97.85 2016-06-01 97.98 2016-07-01 99.05 2016-08-01 99.09 2016-09-01 98.25 2016-10-01 98.13 2016-11-01 98.03 2016-12-01 98.83 2017-01-01 99.54 2017-02-01 99.57 2017-03-01 99.03 2017-04-01 99.53 2017-05-01 99.28 2017-06-01 99.08 2017-07-01 99.62 2017-08-01 99.79 2017-09-01 99.53 2017-10-01 99.66 2017-11-01 99.92 2017-12-01 100.64 2018-01-01 100.83 2018-02-01 100.99 2018-03-01 100.78 2018-04-01 101.11 2018-05-01 101.52 2018-06-01 102.06 2018-07-01 103.16 2018-08-01 103.52 2018-09-01 103.13 2018-10-01 103.29