Month Index 2015=100 1996-12-01 7.24 1997-01-01 10.87 1997-02-01 37.73 1997-03-01 39.68 1997-04-01 39.73 1997-05-01 40.52 1997-06-01 41.13 1997-07-01 42.20 1997-08-01 44.62 1997-09-01 46.22 1997-10-01 46.61 1997-11-01 47.08 1997-12-01 47.20 1998-01-01 48.23 1998-02-01 48.86 1998-03-01 49.11 1998-04-01 49.33 1998-05-01 48.49 1998-06-01 46.73 1998-07-01 46.38 1998-08-01 46.53 1998-09-01 48.08 1998-10-01 48.24 1998-11-01 47.97 1998-12-01 48.17 1999-01-01 49.52 1999-02-01 49.19 1999-03-01 48.72 1999-04-01 48.33 1999-05-01 47.81 1999-06-01 47.36 1999-07-01 48.75 1999-08-01 49.07 1999-09-01 49.82 1999-10-01 50.41 1999-11-01 50.59 1999-12-01 51.26 2000-01-01 52.52 2000-02-01 53.06 2000-03-01 52.80 2000-04-01 52.30 2000-05-01 52.21 2000-06-01 52.27 2000-07-01 52.66 2000-08-01 54.27 2000-09-01 55.39 2000-10-01 56.06 2000-11-01 56.54 2000-12-01 56.99 2001-01-01 57.41 2001-02-01 57.53 2001-03-01 57.57 2001-04-01 57.31 2001-05-01 57.27 2001-06-01 57.25 2001-07-01 57.21 2001-08-01 57.39 2001-09-01 58.09 2001-10-01 59.24 2001-11-01 59.42 2001-12-01 59.84 2002-01-01 61.49 2002-02-01 62.51 2002-03-01 62.96 2002-04-01 62.79 2002-05-01 61.50 2002-06-01 60.47 2002-07-01 60.54 2002-08-01 60.19 2002-09-01 60.63 2002-10-01 61.22 2002-11-01 61.32 2002-12-01 62.01 2003-01-01 62.33 2003-02-01 62.40 2003-03-01 62.70 2003-04-01 63.01 2003-05-01 62.77 2003-06-01 61.41 2003-07-01 61.93 2003-08-01 62.37 2003-09-01 62.97 2003-10-01 63.41 2003-11-01 64.61 2003-12-01 65.70 2004-01-01 66.60 2004-02-01 66.91 2004-03-01 66.88 2004-04-01 67.03 2004-05-01 66.90 2004-06-01 65.74 2004-07-01 66.54 2004-08-01 66.14 2004-09-01 66.76 2004-10-01 66.78 2004-11-01 67.31 2004-12-01 68.32 2005-01-01 68.77 2005-02-01 69.26 2005-03-01 69.46 2005-04-01 70.03 2005-05-01 69.90 2005-06-01 69.27 2005-07-01 69.65 2005-08-01 69.93 2005-09-01 70.68 2005-10-01 71.46 2005-11-01 72.16 2005-12-01 72.63 2006-01-01 73.30 2006-02-01 75.44 2006-03-01 75.71 2006-04-01 75.97 2006-05-01 75.94 2006-06-01 75.16 2006-07-01 75.04 2006-08-01 74.88 2006-09-01 75.13 2006-10-01 75.93 2006-11-01 76.79 2006-12-01 77.54 2007-01-01 78.73 2007-02-01 79.22 2007-03-01 79.07 2007-04-01 79.31 2007-05-01 79.36 2007-06-01 79.14 2007-07-01 80.60 2007-08-01 82.64 2007-09-01 83.54 2007-10-01 83.96 2007-11-01 85.23 2007-12-01 86.17 2008-01-01 87.43 2008-02-01 88.37 2008-03-01 89.14 2008-04-01 89.81 2008-05-01 90.19 2008-06-01 90.26 2008-07-01 91.52 2008-08-01 91.82 2008-09-01 92.64 2008-10-01 93.37 2008-11-01 93.56 2008-12-01 93.83 2009-01-01 94.69 2009-02-01 94.78 2009-03-01 94.64 2009-04-01 95.08 2009-05-01 94.86 2009-06-01 94.53 2009-07-01 94.41 2009-08-01 94.25 2009-09-01 94.28 2009-10-01 94.48 2009-11-01 94.49 2009-12-01 94.93 2010-01-01 95.27 2010-02-01 95.49 2010-03-01 95.49 2010-04-01 96.57 2010-05-01 96.33 2010-06-01 95.91 2010-07-01 96.40 2010-08-01 96.47 2010-09-01 96.58 2010-10-01 96.83 2010-11-01 97.24 2010-12-01 97.76 2011-01-01 98.07 2011-02-01 98.51 2011-03-01 98.78 2011-04-01 98.89 2011-05-01 98.81 2011-06-01 98.61 2011-07-01 98.83 2011-08-01 98.69 2011-09-01 98.68 2011-10-01 99.07 2011-11-01 99.18 2011-12-01 99.61 2012-01-01 99.61 2012-02-01 99.89 2012-03-01 99.90 2012-04-01 100.05 2012-05-01 100.30 2012-06-01 100.01 2012-07-01 101.05 2012-08-01 101.21 2012-09-01 101.34 2012-10-01 101.52 2012-11-01 101.55 2012-12-01 102.08 2013-01-01 102.31 2013-02-01 102.16 2013-03-01 101.79 2013-04-01 101.51 2013-05-01 101.50 2013-06-01 101.26 2013-07-01 101.16 2013-08-01 100.71 2013-09-01 100.36 2013-10-01 100.67 2013-11-01 100.56 2013-12-01 100.85 2014-01-01 100.59 2014-02-01 100.20 2014-03-01 99.99 2014-04-01 100.21 2014-05-01 99.76 2014-06-01 99.53 2014-07-01 99.96 2014-08-01 99.88 2014-09-01 99.21 2014-10-01 99.53 2014-11-01 99.47 2014-12-01 100.10 2015-01-01 100.20 2015-02-01 100.27 2015-03-01 100.03 2015-04-01 100.51 2015-05-01 100.32 2015-06-01 99.72 2015-07-01 99.88 2015-08-01 100.08 2015-09-01 99.76 2015-10-01 99.67 2015-11-01 99.54 2015-12-01 100.03 2016-01-01 100.04 2016-02-01 99.77 2016-03-01 99.28 2016-04-01 99.12 2016-05-01 99.01 2016-06-01 98.96 2016-07-01 99.89 2016-08-01 99.91 2016-09-01 99.11 2016-10-01 98.95 2016-11-01 98.84 2016-12-01 99.52 2017-01-01 100.04 2017-02-01 100.03 2017-03-01 99.43 2017-04-01 99.93 2017-05-01 99.76 2017-06-01 99.76 2017-07-01 100.43 2017-08-01 100.55 2017-09-01 100.15 2017-10-01 100.24 2017-11-01 100.38 2017-12-01 101.00 2018-01-01 101.19 2018-02-01 101.42 2018-03-01 101.33 2018-04-01 101.64 2018-05-01 101.75 2018-06-01 102.04 2018-07-01 103.18 2018-08-01 103.51 2018-09-01 103.02 2018-10-01 102.93