Month Index 2015=100 1996-12-01 7.75 1997-01-01 11.43 1997-02-01 41.72 1997-03-01 43.29 1997-04-01 41.42 1997-05-01 41.84 1997-06-01 43.15 1997-07-01 44.33 1997-08-01 47.51 1997-09-01 49.44 1997-10-01 49.78 1997-11-01 50.07 1997-12-01 50.18 1998-01-01 50.30 1998-02-01 50.75 1998-03-01 50.95 1998-04-01 50.99 1998-05-01 50.58 1998-06-01 49.49 1998-07-01 49.72 1998-08-01 50.21 1998-09-01 50.84 1998-10-01 51.05 1998-11-01 50.62 1998-12-01 50.37 1999-01-01 50.94 1999-02-01 50.68 1999-03-01 50.16 1999-04-01 49.82 1999-05-01 49.30 1999-06-01 49.20 1999-07-01 50.41 1999-08-01 50.85 1999-09-01 51.27 1999-10-01 51.84 1999-11-01 52.17 1999-12-01 52.72 2000-01-01 53.29 2000-02-01 53.58 2000-03-01 53.61 2000-04-01 53.13 2000-05-01 53.08 2000-06-01 54.00 2000-07-01 54.44 2000-08-01 56.23 2000-09-01 57.17 2000-10-01 57.89 2000-11-01 58.57 2000-12-01 58.72 2001-01-01 59.13 2001-02-01 59.39 2001-03-01 59.51 2001-04-01 59.24 2001-05-01 59.14 2001-06-01 59.11 2001-07-01 59.52 2001-08-01 60.24 2001-09-01 60.71 2001-10-01 61.27 2001-11-01 61.42 2001-12-01 61.47 2002-01-01 62.30 2002-02-01 63.23 2002-03-01 63.58 2002-04-01 63.39 2002-05-01 63.05 2002-06-01 62.87 2002-07-01 62.71 2002-08-01 62.64 2002-09-01 62.78 2002-10-01 62.61 2002-11-01 62.49 2002-12-01 62.43 2003-01-01 62.59 2003-02-01 62.37 2003-03-01 62.65 2003-04-01 62.64 2003-05-01 62.50 2003-06-01 62.39 2003-07-01 62.83 2003-08-01 63.61 2003-09-01 63.91 2003-10-01 64.30 2003-11-01 65.27 2003-12-01 66.01 2004-01-01 66.77 2004-02-01 67.02 2004-03-01 66.96 2004-04-01 66.87 2004-05-01 67.01 2004-06-01 66.83 2004-07-01 66.94 2004-08-01 67.07 2004-09-01 67.34 2004-10-01 67.37 2004-11-01 67.68 2004-12-01 68.00 2005-01-01 68.32 2005-02-01 68.63 2005-03-01 68.76 2005-04-01 69.13 2005-05-01 69.19 2005-06-01 69.18 2005-07-01 69.94 2005-08-01 70.37 2005-09-01 70.97 2005-10-01 71.58 2005-11-01 71.92 2005-12-01 72.10 2006-01-01 72.59 2006-02-01 74.78 2006-03-01 75.03 2006-04-01 75.14 2006-05-01 75.10 2006-06-01 75.19 2006-07-01 75.53 2006-08-01 75.65 2006-09-01 75.75 2006-10-01 76.43 2006-11-01 77.06 2006-12-01 77.57 2007-01-01 78.51 2007-02-01 78.96 2007-03-01 79.02 2007-04-01 79.18 2007-05-01 79.46 2007-06-01 79.69 2007-07-01 80.78 2007-08-01 82.90 2007-09-01 83.80 2007-10-01 84.47 2007-11-01 85.62 2007-12-01 86.41 2008-01-01 87.39 2008-02-01 88.17 2008-03-01 89.00 2008-04-01 89.57 2008-05-01 90.22 2008-06-01 91.26 2008-07-01 92.25 2008-08-01 92.92 2008-09-01 93.35 2008-10-01 93.83 2008-11-01 93.90 2008-12-01 94.20 2009-01-01 94.45 2009-02-01 94.57 2009-03-01 94.55 2009-04-01 95.00 2009-05-01 95.00 2009-06-01 95.19 2009-07-01 95.58 2009-08-01 95.67 2009-09-01 95.51 2009-10-01 95.75 2009-11-01 95.73 2009-12-01 96.01 2010-01-01 96.10 2010-02-01 95.97 2010-03-01 96.08 2010-04-01 97.31 2010-05-01 97.13 2010-06-01 97.13 2010-07-01 97.57 2010-08-01 97.76 2010-09-01 97.71 2010-10-01 97.85 2010-11-01 98.11 2010-12-01 98.69 2011-01-01 98.93 2011-02-01 99.16 2011-03-01 99.41 2011-04-01 99.50 2011-05-01 99.49 2011-06-01 99.69 2011-07-01 100.01 2011-08-01 99.99 2011-09-01 99.98 2011-10-01 100.21 2011-11-01 100.28 2011-12-01 100.76 2012-01-01 100.67 2012-02-01 100.65 2012-03-01 100.67 2012-04-01 100.68 2012-05-01 100.85 2012-06-01 101.05 2012-07-01 101.49 2012-08-01 101.55 2012-09-01 101.41 2012-10-01 101.71 2012-11-01 101.85 2012-12-01 102.31 2013-01-01 102.24 2013-02-01 102.05 2013-03-01 101.87 2013-04-01 101.71 2013-05-01 101.75 2013-06-01 101.75 2013-07-01 102.04 2013-08-01 101.98 2013-09-01 101.30 2013-10-01 101.48 2013-11-01 101.52 2013-12-01 101.81 2014-01-01 101.36 2014-02-01 100.82 2014-03-01 100.59 2014-04-01 100.70 2014-05-01 100.49 2014-06-01 100.50 2014-07-01 100.79 2014-08-01 100.84 2014-09-01 99.80 2014-10-01 99.51 2014-11-01 99.54 2014-12-01 100.39 2015-01-01 100.31 2015-02-01 100.02 2015-03-01 99.61 2015-04-01 99.94 2015-05-01 99.98 2015-06-01 99.85 2015-07-01 100.34 2015-08-01 100.48 2015-09-01 99.75 2015-10-01 99.74 2015-11-01 99.66 2015-12-01 100.31 2016-01-01 100.18 2016-02-01 99.76 2016-03-01 99.35 2016-04-01 99.22 2016-05-01 99.06 2016-06-01 99.23 2016-07-01 100.00 2016-08-01 100.09 2016-09-01 99.23 2016-10-01 99.13 2016-11-01 99.05 2016-12-01 99.69 2017-01-01 99.58 2017-02-01 99.55 2017-03-01 99.00 2017-04-01 99.28 2017-05-01 99.27 2017-06-01 99.67 2017-07-01 100.43 2017-08-01 100.63 2017-09-01 100.01 2017-10-01 100.10 2017-11-01 100.23 2017-12-01 100.88 2018-01-01 100.96 2018-02-01 101.05 2018-03-01 101.04 2018-04-01 101.27 2018-05-01 101.30 2018-06-01 101.85 2018-07-01 103.00 2018-08-01 103.38 2018-09-01 102.56 2018-10-01 102.46