Month Index 2015=100 1996-01-01 37.80 1996-02-01 37.80 1996-03-01 37.84 1996-04-01 37.84 1996-05-01 37.88 1996-06-01 37.88 1996-07-01 37.88 1996-08-01 38.76 1996-09-01 39.34 1996-10-01 39.34 1996-11-01 39.34 1996-12-01 39.34 1997-01-01 51.25 1997-02-01 51.40 1997-03-01 51.40 1997-04-01 51.44 1997-05-01 51.48 1997-06-01 51.52 1997-07-01 51.52 1997-08-01 51.52 1997-09-01 51.52 1997-10-01 51.52 1997-11-01 51.52 1997-12-01 52.05 1998-01-01 52.05 1998-02-01 52.05 1998-03-01 52.05 1998-04-01 52.05 1998-05-01 52.13 1998-06-01 52.13 1998-07-01 52.13 1998-08-01 52.17 1998-09-01 52.17 1998-10-01 52.17 1998-11-01 52.17 1998-12-01 52.28 1999-01-01 52.28 1999-02-01 52.63 1999-03-01 52.63 1999-04-01 52.63 1999-05-01 52.63 1999-06-01 52.63 1999-07-01 52.63 1999-08-01 52.74 1999-09-01 53.05 1999-10-01 53.05 1999-11-01 53.09 1999-12-01 53.47 2000-01-01 53.51 2000-02-01 53.55 2000-03-01 53.78 2000-04-01 54.51 2000-05-01 54.67 2000-06-01 54.70 2000-07-01 54.70 2000-08-01 54.70 2000-09-01 54.70 2000-10-01 54.70 2000-11-01 54.70 2000-12-01 54.70 2001-01-01 54.74 2001-02-01 54.81 2001-03-01 54.91 2001-04-01 55.01 2001-05-01 55.00 2001-06-01 55.03 2001-07-01 55.19 2001-08-01 55.22 2001-09-01 55.31 2001-10-01 55.32 2001-11-01 55.31 2001-12-01 55.39 2002-01-01 55.58 2002-02-01 55.76 2002-03-01 55.80 2002-04-01 55.81 2002-05-01 55.87 2002-06-01 55.97 2002-07-01 56.05 2002-08-01 56.13 2002-09-01 56.20 2002-10-01 56.55 2002-11-01 56.56 2002-12-01 56.58 2003-01-01 60.24 2003-02-01 60.41 2003-03-01 60.71 2003-04-01 61.18 2003-05-01 61.18 2003-06-01 61.33 2003-07-01 61.35 2003-08-01 61.38 2003-09-01 61.29 2003-10-01 61.64 2003-11-01 61.75 2003-12-01 61.91 2004-01-01 61.92 2004-02-01 61.99 2004-03-01 62.02 2004-04-01 62.08 2004-05-01 62.10 2004-06-01 62.17 2004-07-01 62.24 2004-08-01 62.34 2004-09-01 62.61 2004-10-01 62.63 2004-11-01 62.82 2004-12-01 63.15 2005-01-01 69.41 2005-02-01 69.58 2005-03-01 69.64 2005-04-01 70.86 2005-05-01 70.88 2005-06-01 70.88 2005-07-01 70.98 2005-08-01 71.04 2005-09-01 71.05 2005-10-01 71.12 2005-11-01 71.20 2005-12-01 71.20 2006-01-01 71.30 2006-02-01 71.33 2006-03-01 71.36 2006-04-01 71.37 2006-05-01 71.38 2006-06-01 71.44 2006-07-01 71.67 2006-08-01 71.71 2006-09-01 71.73 2006-10-01 71.76 2006-11-01 71.73 2006-12-01 72.32 2007-01-01 72.41 2007-02-01 72.47 2007-03-01 72.46 2007-04-01 72.67 2007-05-01 72.70 2007-06-01 72.70 2007-07-01 72.73 2007-08-01 72.77 2007-09-01 72.75 2007-10-01 72.73 2007-11-01 72.82 2007-12-01 73.00 2008-01-01 73.12 2008-02-01 73.14 2008-03-01 73.18 2008-04-01 73.55 2008-05-01 73.66 2008-06-01 73.67 2008-07-01 73.71 2008-08-01 73.72 2008-09-01 73.95 2008-10-01 73.96 2008-11-01 74.01 2008-12-01 83.12 2009-01-01 83.12 2009-02-01 83.13 2009-03-01 83.22 2009-04-01 83.47 2009-05-01 83.48 2009-06-01 83.52 2009-07-01 83.52 2009-08-01 83.54 2009-09-01 83.53 2009-10-01 83.72 2009-11-01 83.71 2009-12-01 99.47 2010-01-01 99.50 2010-02-01 99.67 2010-03-01 99.74 2010-04-01 99.75 2010-05-01 99.74 2010-06-01 99.75 2010-07-01 99.95 2010-08-01 99.97 2010-09-01 100.01 2010-10-01 100.01 2010-11-01 100.19 2010-12-01 93.88 2011-01-01 94.05 2011-02-01 94.03 2011-03-01 94.03 2011-04-01 94.08 2011-05-01 94.08 2011-06-01 94.14 2011-07-01 94.12 2011-08-01 94.06 2011-09-01 94.03 2011-10-01 94.02 2011-11-01 94.03 2011-12-01 100.98 2012-01-01 100.91 2012-02-01 100.94 2012-03-01 100.90 2012-04-01 100.79 2012-05-01 100.78 2012-06-01 100.77 2012-07-01 100.81 2012-08-01 100.84 2012-09-01 100.79 2012-10-01 100.68 2012-11-01 100.66 2012-12-01 100.62 2013-01-01 100.56 2013-02-01 100.49 2013-03-01 100.39 2013-04-01 100.40 2013-05-01 100.31 2013-06-01 100.31 2013-07-01 100.39 2013-08-01 100.39 2013-09-01 100.15 2013-10-01 100.07 2013-11-01 99.91 2013-12-01 99.90 2014-01-01 99.89 2014-02-01 100.52 2014-03-01 100.52 2014-04-01 100.46 2014-05-01 100.47 2014-06-01 100.45 2014-07-01 100.55 2014-08-01 100.56 2014-09-01 100.62 2014-10-01 100.56 2014-11-01 100.03 2014-12-01 100.02 2015-01-01 100.02 2015-02-01 100.01 2015-03-01 100.02 2015-04-01 100.03 2015-05-01 100.05 2015-06-01 100.06 2015-07-01 100.07 2015-08-01 100.09 2015-09-01 100.05 2015-10-01 99.92 2015-11-01 99.84 2015-12-01 99.83 2016-01-01 99.18 2016-02-01 99.08 2016-03-01 99.07 2016-04-01 99.09 2016-05-01 99.10 2016-06-01 99.60 2016-07-01 99.62 2016-08-01 99.77 2016-09-01 99.73 2016-10-01 99.66 2016-11-01 99.67 2016-12-01 99.68 2017-01-01 99.24 2017-02-01 99.25 2017-03-01 99.26 2017-04-01 99.26 2017-05-01 99.37 2017-06-01 99.41 2017-07-01 98.82 2017-08-01 98.81 2017-09-01 98.77 2017-10-01 98.77 2017-11-01 98.77 2017-12-01 98.76 2018-01-01 102.40 2018-02-01 102.40 2018-03-01 102.52 2018-04-01 102.52 2018-05-01 102.46 2018-06-01 102.49 2018-07-01 102.55 2018-08-01 102.54 2018-09-01 102.50 2018-10-01 102.49