Month Index 2015=100 1996-12-01 54.50 1997-01-01 79.84 1997-02-01 186.52 1997-03-01 215.07 1997-04-01 307.61 1997-05-01 310.63 1997-06-01 312.94 1997-07-01 325.04 1997-08-01 330.98 1997-09-01 364.85 1997-10-01 387.21 1997-11-01 391.45 1997-12-01 384.50 2000-12-01 54.50 2001-01-01 54.87 2001-02-01 55.70 2001-03-01 55.08 2001-04-01 55.08 2001-05-01 55.08 2001-06-01 55.22 2001-07-01 55.22 2001-08-01 55.22 2001-09-01 53.82 2001-10-01 54.21 2001-11-01 54.21 2001-12-01 54.21 2002-01-01 55.83 2002-02-01 57.04 2002-03-01 57.42 2002-04-01 57.42 2002-05-01 57.20 2002-06-01 56.59 2002-07-01 56.59 2002-08-01 56.59 2002-09-01 56.59 2002-10-01 56.48 2002-11-01 56.37 2002-12-01 56.37 2003-01-01 57.50 2003-02-01 57.50 2003-03-01 57.70 2003-04-01 58.11 2003-05-01 58.11 2003-06-01 58.36 2003-07-01 58.22 2003-08-01 58.22 2003-09-01 58.22 2003-10-01 58.40 2003-11-01 58.40 2003-12-01 58.40 2004-01-01 58.80 2004-02-01 58.80 2004-03-01 59.07 2004-04-01 59.40 2004-05-01 59.40 2004-06-01 59.40 2004-07-01 59.40 2004-08-01 59.40 2004-09-01 59.40 2004-10-01 59.40 2004-11-01 59.40 2004-12-01 59.40 2005-01-01 59.40 2005-02-01 59.76 2005-03-01 60.80 2005-04-01 60.80 2005-05-01 61.11 2005-06-01 61.11 2005-07-01 61.76 2005-08-01 61.76 2005-09-01 62.72 2005-10-01 64.05 2005-11-01 64.05 2005-12-01 64.77 2006-01-01 65.05 2006-02-01 66.74 2006-03-01 66.74 2006-04-01 66.74 2006-05-01 66.74 2006-06-01 66.88 2006-07-01 68.16 2006-08-01 68.16 2006-09-01 68.16 2006-10-01 68.16 2006-11-01 68.46 2006-12-01 69.06 2007-01-01 69.06 2007-02-01 69.53 2007-03-01 69.53 2007-04-01 71.65 2007-05-01 71.65 2007-06-01 71.65 2007-07-01 72.21 2007-08-01 74.15 2007-09-01 74.70 2007-10-01 74.70 2007-11-01 75.60 2007-12-01 76.86 2008-01-01 78.02 2008-02-01 79.20 2008-03-01 81.06 2008-04-01 81.46 2008-05-01 82.29 2008-06-01 82.29 2008-07-01 82.29 2008-08-01 82.29 2008-09-01 83.94 2008-10-01 83.94 2008-11-01 85.16 2008-12-01 85.36 2009-01-01 85.36 2009-02-01 87.28 2009-03-01 89.23 2009-04-01 89.23 2009-05-01 89.23 2009-06-01 90.40 2009-07-01 90.77 2009-08-01 91.02 2009-09-01 91.02 2009-10-01 90.23 2009-11-01 90.94 2009-12-01 90.81 2010-01-01 91.73 2010-02-01 91.73 2010-03-01 91.19 2010-04-01 91.73 2010-05-01 92.75 2010-06-01 92.75 2010-07-01 92.75 2010-08-01 93.32 2010-09-01 93.30 2010-10-01 93.96 2010-11-01 93.96 2010-12-01 93.96 2011-01-01 93.96 2011-02-01 93.96 2011-03-01 93.96 2011-04-01 94.52 2011-05-01 94.27 2011-06-01 93.84 2011-07-01 93.46 2011-08-01 93.36 2011-09-01 93.74 2011-10-01 93.48 2011-11-01 93.48 2011-12-01 93.48 2012-01-01 93.48 2012-02-01 93.48 2012-03-01 93.96 2012-04-01 93.96 2012-05-01 94.44 2012-06-01 94.44 2012-07-01 94.44 2012-08-01 94.44 2012-09-01 95.49 2012-10-01 96.19 2012-11-01 96.19 2012-12-01 96.19 2013-01-01 96.92 2013-02-01 96.92 2013-03-01 96.92 2013-04-01 97.46 2013-05-01 97.46 2013-06-01 96.95 2013-07-01 96.95 2013-08-01 96.95 2013-09-01 98.59 2013-10-01 98.59 2013-11-01 98.59 2013-12-01 98.59 2014-01-01 98.59 2014-02-01 98.79 2014-03-01 98.79 2014-04-01 98.79 2014-05-01 98.79 2014-06-01 98.79 2014-07-01 98.79 2014-08-01 98.79 2014-09-01 98.79 2014-10-01 99.97 2014-11-01 99.97 2014-12-01 99.97 2015-01-01 99.97 2015-02-01 99.97 2015-03-01 100.75 2015-04-01 99.95 2015-05-01 99.95 2015-06-01 99.95 2015-07-01 99.95 2015-08-01 99.95 2015-09-01 99.89 2015-10-01 99.89 2015-11-01 99.89 2015-12-01 99.89 2016-01-01 100.52 2016-02-01 100.52 2016-03-01 100.60 2016-04-01 100.60 2016-05-01 100.60 2016-06-01 100.60 2016-07-01 100.60 2016-08-01 100.60 2016-09-01 101.30 2016-10-01 101.30 2016-11-01 101.21 2016-12-01 101.21 2017-01-01 101.21 2017-02-01 101.56 2017-03-01 101.56 2017-04-01 101.56 2017-05-01 101.78 2017-06-01 102.29 2017-07-01 102.29 2017-08-01 102.29 2017-09-01 102.29 2017-10-01 102.29 2017-11-01 102.29 2017-12-01 102.29