Month Index 2015=100 1996-12-01 7.20 1997-01-01 11.18 1997-02-01 39.83 1997-03-01 43.29 1997-04-01 39.73 1997-05-01 38.93 1997-06-01 37.37 1997-07-01 38.39 1997-08-01 39.96 1997-09-01 41.17 1997-10-01 40.18 1997-11-01 40.43 1997-12-01 41.73 1998-01-01 42.84 1998-02-01 43.26 1998-03-01 43.90 1998-04-01 43.20 1998-05-01 43.48 1998-06-01 44.30 1998-07-01 45.07 1998-08-01 45.47 1998-09-01 44.81 1998-10-01 46.70 1998-11-01 46.92 1998-12-01 47.73 1999-01-01 49.43 1999-02-01 50.70 1999-03-01 49.98 1999-04-01 50.66 1999-05-01 53.33 1999-06-01 50.33 1999-07-01 53.78 1999-08-01 52.81 1999-09-01 52.26 1999-10-01 53.33 1999-11-01 53.98 1999-12-01 53.56 2000-01-01 54.27 2000-02-01 54.83 2000-03-01 55.04 2000-04-01 55.23 2000-05-01 55.92 2000-06-01 56.21 2000-07-01 56.21 2000-08-01 56.36 2000-09-01 56.73 2000-10-01 57.14 2000-11-01 57.26 2000-12-01 57.62 2001-01-01 58.50 2001-02-01 58.81 2001-03-01 59.27 2001-04-01 59.74 2001-05-01 60.05 2001-06-01 60.35 2001-07-01 60.33 2001-08-01 60.48 2001-09-01 60.64 2001-10-01 60.89 2001-11-01 61.14 2001-12-01 61.41 2002-01-01 61.61 2002-02-01 61.86 2002-03-01 62.38 2002-04-01 62.88 2002-05-01 62.99 2002-06-01 62.88 2002-07-01 63.21 2002-08-01 63.36 2002-09-01 62.56 2002-10-01 62.67 2002-11-01 61.95 2002-12-01 62.21 2003-01-01 62.42 2003-02-01 62.67 2003-03-01 62.28 2003-04-01 62.22 2003-05-01 62.33 2003-06-01 62.39 2003-07-01 63.02 2003-08-01 63.37 2003-09-01 62.48 2003-10-01 62.59 2003-11-01 62.28 2003-12-01 62.47 2004-01-01 62.32 2004-02-01 62.41 2004-03-01 62.28 2004-04-01 61.97 2004-05-01 62.16 2004-06-01 62.15 2004-07-01 62.09 2004-08-01 62.17 2004-09-01 61.70 2004-10-01 61.98 2004-11-01 62.20 2004-12-01 62.18 2005-01-01 61.93 2005-02-01 61.90 2005-03-01 61.78 2005-04-01 61.74 2005-05-01 61.72 2005-06-01 61.70 2005-07-01 61.88 2005-08-01 61.93 2005-09-01 62.13 2005-10-01 62.22 2005-11-01 62.56 2005-12-01 63.26 2006-01-01 63.44 2006-02-01 63.07 2006-03-01 62.78 2006-04-01 62.87 2006-05-01 63.30 2006-06-01 63.72 2006-07-01 64.00 2006-08-01 64.22 2006-09-01 64.72 2006-10-01 65.25 2006-11-01 65.27 2006-12-01 65.43 2007-01-01 65.70 2007-02-01 66.21 2007-03-01 66.46 2007-04-01 66.52 2007-05-01 66.65 2007-06-01 66.86 2007-07-01 67.75 2007-08-01 69.30 2007-09-01 70.46 2007-10-01 70.67 2007-11-01 71.12 2007-12-01 71.72 2008-01-01 72.53 2008-02-01 74.20 2008-03-01 75.10 2008-04-01 76.11 2008-05-01 76.54 2008-06-01 77.17 2008-07-01 77.85 2008-08-01 78.86 2008-09-01 79.90 2008-10-01 80.97 2008-11-01 81.27 2008-12-01 81.90 2009-01-01 82.18 2009-02-01 82.75 2009-03-01 83.05 2009-04-01 83.78 2009-05-01 84.09 2009-06-01 84.17 2009-07-01 83.89 2009-08-01 84.43 2009-09-01 85.22 2009-10-01 85.73 2009-11-01 85.77 2009-12-01 85.19 2010-01-01 85.52 2010-02-01 85.53 2010-03-01 85.68 2010-04-01 85.66 2010-05-01 85.72 2010-06-01 85.78 2010-07-01 85.86 2010-08-01 86.05 2010-09-01 87.24 2010-10-01 87.30 2010-11-01 87.48 2010-12-01 87.70 2011-01-01 87.96 2011-02-01 88.03 2011-03-01 87.57 2011-04-01 87.73 2011-05-01 89.16 2011-06-01 90.95 2011-07-01 91.13 2011-08-01 91.53 2011-09-01 92.27 2011-10-01 93.13 2011-11-01 93.27 2011-12-01 93.84 2012-01-01 93.95 2012-02-01 93.59 2012-03-01 93.81 2012-04-01 94.13 2012-05-01 94.64 2012-06-01 94.85 2012-07-01 95.45 2012-08-01 95.45 2012-09-01 96.70 2012-10-01 97.20 2012-11-01 97.32 2012-12-01 97.50 2013-01-01 97.68 2013-02-01 98.03 2013-03-01 97.88 2013-04-01 98.13 2013-05-01 97.72 2013-06-01 98.13 2013-07-01 98.26 2013-08-01 98.53 2013-09-01 98.64 2013-10-01 98.89 2013-11-01 98.81 2013-12-01 98.70 2014-01-01 99.10 2014-02-01 98.98 2014-03-01 99.05 2014-04-01 99.09 2014-05-01 98.90 2014-06-01 99.00 2014-07-01 99.14 2014-08-01 99.00 2014-09-01 98.99 2014-10-01 99.22 2014-11-01 99.44 2014-12-01 99.48 2015-01-01 99.49 2015-02-01 99.58 2015-03-01 99.50 2015-04-01 99.33 2015-05-01 99.51 2015-06-01 99.69 2015-07-01 99.96 2015-08-01 100.30 2015-09-01 100.32 2015-10-01 100.81 2015-11-01 100.85 2015-12-01 100.67 2016-01-01 100.59 2016-02-01 100.58 2016-03-01 100.72 2016-04-01 101.14 2016-05-01 101.29 2016-06-01 101.34 2016-07-01 101.45 2016-08-01 101.55 2016-09-01 101.56 2016-10-01 102.03 2016-11-01 102.40 2016-12-01 102.44 2017-01-01 102.32 2017-02-01 102.71 2017-03-01 103.03 2017-04-01 103.20 2017-05-01 103.33 2017-06-01 103.57 2017-07-01 103.52 2017-08-01 103.43 2017-09-01 103.85 2017-10-01 104.52 2017-11-01 104.50 2017-12-01 104.77 2018-01-01 105.01 2018-02-01 105.13 2018-03-01 105.17 2018-04-01 105.35 2018-05-01 105.58 2018-06-01 105.87 2018-07-01 106.32 2018-08-01 107.13 2018-09-01 108.36 2018-10-01 108.87