Month Index 2015=100 1996-12-01 6.58 1997-01-01 9.67 1997-02-01 37.51 1997-03-01 38.32 1997-04-01 37.78 1997-05-01 37.72 1997-06-01 38.71 1997-07-01 39.82 1997-08-01 41.04 1997-09-01 41.92 1997-10-01 42.55 1997-11-01 43.25 1997-12-01 43.34 1998-01-01 43.66 1998-02-01 45.22 1998-03-01 45.54 1998-04-01 45.31 1998-05-01 45.11 1998-06-01 44.44 1998-07-01 44.62 1998-08-01 45.93 1998-09-01 46.21 1998-10-01 46.35 1998-11-01 46.57 1998-12-01 46.95 1999-01-01 48.60 1999-02-01 48.85 1999-03-01 49.23 1999-04-01 49.00 1999-05-01 48.98 1999-06-01 48.97 1999-07-01 49.98 1999-08-01 50.27 1999-09-01 51.02 1999-10-01 51.37 1999-11-01 51.61 1999-12-01 51.90 2000-01-01 52.29 2000-02-01 52.90 2000-03-01 53.38 2000-04-01 53.77 2000-05-01 54.07 2000-06-01 54.39 2000-07-01 54.60 2000-08-01 55.04 2000-09-01 57.02 2000-10-01 58.10 2000-11-01 59.28 2000-12-01 60.15 2001-01-01 61.12 2001-02-01 62.13 2001-03-01 62.71 2001-04-01 62.77 2001-05-01 62.79 2001-06-01 62.87 2001-07-01 64.75 2001-08-01 67.59 2001-09-01 68.14 2001-10-01 68.53 2001-11-01 68.68 2001-12-01 68.83 2002-01-01 71.41 2002-02-01 73.86 2002-03-01 74.52 2002-04-01 74.85 2002-05-01 75.01 2002-06-01 74.93 2002-07-01 75.16 2002-08-01 74.99 2002-09-01 75.31 2002-10-01 75.17 2002-11-01 75.55 2002-12-01 75.61 2003-01-01 75.63 2003-02-01 75.60 2003-03-01 76.97 2003-04-01 77.35 2003-05-01 77.43 2003-06-01 77.26 2003-07-01 77.31 2003-08-01 77.29 2003-09-01 77.20 2003-10-01 77.28 2003-11-01 77.16 2003-12-01 77.07 2004-01-01 77.23 2004-02-01 77.14 2004-03-01 77.38 2004-04-01 77.22 2004-05-01 77.18 2004-06-01 77.04 2004-07-01 77.08 2004-08-01 77.07 2004-09-01 77.29 2004-10-01 77.47 2004-11-01 77.59 2004-12-01 78.44 2005-01-01 78.87 2005-02-01 79.71 2005-03-01 80.02 2005-04-01 80.08 2005-05-01 80.31 2005-06-01 80.26 2005-07-01 80.31 2005-08-01 80.94 2005-09-01 82.25 2005-10-01 82.94 2005-11-01 83.22 2005-12-01 83.40 2006-01-01 83.63 2006-02-01 83.67 2006-03-01 83.56 2006-04-01 83.45 2006-05-01 83.49 2006-06-01 83.52 2006-07-01 83.70 2006-08-01 83.84 2006-09-01 84.30 2006-10-01 84.57 2006-11-01 84.66 2006-12-01 84.75 2007-01-01 85.26 2007-02-01 85.97 2007-03-01 86.54 2007-04-01 86.78 2007-05-01 87.05 2007-06-01 87.17 2007-07-01 87.07 2007-08-01 87.45 2007-09-01 87.90 2007-10-01 88.10 2007-11-01 88.46 2007-12-01 89.00 2008-01-01 89.35 2008-02-01 90.71 2008-03-01 90.90 2008-04-01 91.02 2008-05-01 91.05 2008-06-01 91.21 2008-07-01 91.34 2008-08-01 93.63 2008-09-01 93.96 2008-10-01 94.30 2008-11-01 94.75 2008-12-01 95.14 2009-01-01 95.65 2009-02-01 95.86 2009-03-01 96.04 2009-04-01 96.08 2009-05-01 96.10 2009-06-01 97.40 2009-07-01 97.57 2009-08-01 97.88 2009-09-01 98.28 2009-10-01 98.58 2009-11-01 98.78 2009-12-01 98.96 2010-01-01 99.50 2010-02-01 99.31 2010-03-01 99.52 2010-04-01 99.45 2010-05-01 99.57 2010-06-01 99.63 2010-07-01 99.66 2010-08-01 99.64 2010-09-01 99.91 2010-10-01 99.94 2010-11-01 100.05 2010-12-01 100.21 2011-01-01 100.36 2011-02-01 100.67 2011-03-01 100.72 2011-04-01 100.65 2011-05-01 100.82 2011-06-01 100.89 2011-07-01 100.89 2011-08-01 101.06 2011-09-01 101.30 2011-10-01 101.48 2011-11-01 101.66 2011-12-01 101.92 2012-01-01 102.06 2012-02-01 102.14 2012-03-01 102.15 2012-04-01 102.22 2012-05-01 102.12 2012-06-01 101.92 2012-07-01 101.99 2012-08-01 102.13 2012-09-01 102.28 2012-10-01 102.04 2012-11-01 101.92 2012-12-01 101.84 2013-01-01 101.90 2013-02-01 101.90 2013-03-01 101.96 2013-04-01 101.69 2013-05-01 101.25 2013-06-01 101.14 2013-07-01 100.77 2013-08-01 100.89 2013-09-01 100.84 2013-10-01 101.05 2013-11-01 101.05 2013-12-01 101.15 2014-01-01 101.12 2014-02-01 101.11 2014-03-01 101.03 2014-04-01 101.09 2014-05-01 101.21 2014-06-01 100.83 2014-07-01 100.71 2014-08-01 100.28 2014-09-01 100.25 2014-10-01 100.30 2014-11-01 100.53 2014-12-01 100.45 2015-01-01 100.42 2015-02-01 100.21 2015-03-01 100.34 2015-04-01 100.46 2015-05-01 100.43 2015-06-01 99.70 2015-07-01 99.53 2015-08-01 99.39 2015-09-01 99.67 2015-10-01 99.84 2015-11-01 100.03 2015-12-01 99.97 2016-01-01 99.80 2016-02-01 99.73 2016-03-01 99.61 2016-04-01 99.80 2016-05-01 99.66 2016-06-01 99.74 2016-07-01 99.77 2016-08-01 99.82 2016-09-01 99.73 2016-10-01 99.81 2016-11-01 99.73 2016-12-01 99.82 2017-01-01 99.94 2017-02-01 99.88 2017-03-01 100.02 2017-04-01 99.88 2017-05-01 100.04 2017-06-01 100.12 2017-07-01 100.02 2017-08-01 100.40 2017-09-01 100.40 2017-10-01 100.63 2017-11-01 100.69 2017-12-01 100.84 2018-01-01 101.05 2018-02-01 101.40 2018-03-01 101.51 2018-04-01 101.64 2018-05-01 101.86 2018-06-01 102.01 2018-07-01 102.34 2018-08-01 102.30 2018-09-01 102.51 2018-10-01 102.73