Month Index 2015=100 1996-01-01 19.61 1996-02-01 19.66 1996-03-01 19.69 1996-04-01 19.68 1996-05-01 19.77 1996-06-01 20.03 1996-07-01 19.97 1996-08-01 19.96 1996-09-01 19.92 1996-10-01 19.89 1996-11-01 19.87 1996-12-01 19.77 1997-01-01 19.80 1997-02-01 19.82 1997-03-01 19.82 1997-04-01 20.60 1997-05-01 22.09 1997-06-01 22.49 1997-07-01 22.72 1997-08-01 23.18 1997-09-01 23.41 1997-10-01 23.44 1997-11-01 23.57 1997-12-01 23.54 1998-01-01 23.53 1998-02-01 23.54 1998-03-01 23.55 1998-04-01 25.05 1998-05-01 26.25 1998-06-01 26.49 1998-07-01 26.62 1998-08-01 26.64 1998-09-01 26.74 1998-10-01 26.79 1998-11-01 26.87 1998-12-01 26.91 1999-01-01 29.31 1999-02-01 29.71 1999-03-01 29.76 1999-04-01 29.77 1999-05-01 29.83 1999-06-01 30.09 1999-07-01 30.09 1999-08-01 30.11 1999-09-01 30.14 1999-10-01 30.09 1999-11-01 30.04 1999-12-01 30.06 2000-01-01 30.03 2000-02-01 29.82 2000-03-01 30.61 2000-04-01 30.81 2000-05-01 30.83 2000-06-01 30.79 2000-07-01 30.87 2000-08-01 30.82 2000-09-01 30.77 2000-10-01 30.77 2000-11-01 30.73 2000-12-01 30.71 2001-01-01 30.50 2001-02-01 30.48 2001-03-01 30.51 2001-04-01 30.50 2001-05-01 30.52 2001-06-01 31.25 2001-07-01 31.47 2001-08-01 31.63 2001-09-01 31.70 2001-10-01 31.70 2001-11-01 31.71 2001-12-01 31.73 2002-01-01 31.73 2002-02-01 31.73 2002-03-01 31.72 2002-04-01 32.29 2002-05-01 32.70 2002-06-01 32.70 2002-07-01 32.64 2002-08-01 32.63 2002-09-01 32.63 2002-10-01 33.66 2002-11-01 33.86 2002-12-01 33.89 2003-01-01 33.90 2003-02-01 33.90 2003-03-01 34.32 2003-04-01 35.37 2003-05-01 36.41 2003-06-01 36.63 2003-07-01 36.78 2003-08-01 36.93 2003-09-01 37.13 2003-10-01 37.29 2003-11-01 37.59 2003-12-01 37.73 2004-01-01 38.39 2004-02-01 39.01 2004-03-01 39.48 2004-04-01 39.60 2004-05-01 39.89 2004-06-01 39.94 2004-07-01 40.03 2004-08-01 39.99 2004-09-01 39.80 2004-10-01 39.79 2004-11-01 39.90 2004-12-01 39.87 2005-01-01 39.85 2005-02-01 40.08 2005-03-01 40.05 2005-04-01 40.09 2005-05-01 40.03 2005-06-01 40.09 2005-07-01 40.07 2005-08-01 40.06 2005-09-01 40.04 2005-10-01 40.09 2005-11-01 40.08 2005-12-01 39.99 2006-01-01 39.98 2006-02-01 39.98 2006-03-01 39.86 2006-04-01 39.81 2006-05-01 39.81 2006-06-01 39.81 2006-07-01 39.84 2006-08-01 39.96 2006-09-01 39.99 2006-10-01 40.01 2006-11-01 39.99 2006-12-01 40.01 2007-01-01 40.05 2007-02-01 40.15 2007-03-01 40.20 2007-04-01 40.27 2007-05-01 40.27 2007-06-01 40.76 2007-07-01 41.07 2007-08-01 43.30 2007-09-01 44.03 2007-10-01 44.60 2007-11-01 44.55 2007-12-01 44.87 2008-01-01 45.39 2008-02-01 45.68 2008-03-01 47.02 2008-04-01 50.52 2008-05-01 52.34 2008-06-01 52.44 2008-07-01 52.75 2008-08-01 52.78 2008-09-01 52.72 2008-10-01 52.79 2008-11-01 53.14 2008-12-01 53.42 2009-01-01 53.45 2009-02-01 53.48 2009-03-01 54.38 2009-04-01 59.54 2009-05-01 62.42 2009-06-01 63.70 2009-07-01 64.52 2009-08-01 64.94 2009-09-01 66.22 2009-10-01 71.89 2009-11-01 75.73 2009-12-01 77.78 2010-01-01 79.56 2010-02-01 80.07 2010-03-01 80.25 2010-04-01 80.43 2010-05-01 80.53 2010-06-01 80.53 2010-07-01 80.69 2010-08-01 80.87 2010-09-01 81.33 2010-10-01 81.52 2010-11-01 81.67 2010-12-01 81.80 2011-01-01 82.20 2011-02-01 82.53 2011-03-01 82.77 2011-04-01 82.89 2011-05-01 83.06 2011-06-01 83.21 2011-07-01 83.39 2011-08-01 83.51 2011-09-01 83.77 2011-10-01 83.78 2011-11-01 83.90 2011-12-01 83.92 2012-01-01 84.17 2012-02-01 84.20 2012-03-01 84.60 2012-04-01 85.45 2012-05-01 86.03 2012-06-01 87.75 2012-07-01 88.31 2012-08-01 88.64 2012-09-01 88.92 2012-10-01 89.02 2012-11-01 89.08 2012-12-01 88.99 2013-01-01 89.12 2013-02-01 89.32 2013-03-01 89.58 2013-04-01 89.69 2013-05-01 90.02 2013-06-01 90.55 2013-07-01 91.22 2013-08-01 91.57 2013-09-01 92.20 2013-10-01 92.57 2013-11-01 93.19 2013-12-01 93.42 2014-01-01 93.57 2014-02-01 93.68 2014-03-01 93.79 2014-04-01 93.92 2014-05-01 94.13 2014-06-01 94.40 2014-07-01 95.01 2014-08-01 96.04 2014-09-01 98.07 2014-10-01 98.73 2014-11-01 98.87 2014-12-01 98.93 2015-01-01 98.98 2015-02-01 98.40 2015-03-01 97.21 2015-04-01 97.30 2015-05-01 97.25 2015-06-01 99.02 2015-07-01 99.66 2015-08-01 101.30 2015-09-01 102.33 2015-10-01 102.58 2015-11-01 102.92 2015-12-01 103.05 2016-01-01 104.44 2016-02-01 104.64 2016-03-01 104.81 2016-04-01 105.35 2016-05-01 105.14 2016-06-01 105.19 2016-07-01 106.56 2016-08-01 108.83 2016-09-01 110.04 2016-10-01 110.89 2016-11-01 111.74 2016-12-01 112.02 2017-01-01 112.12 2017-02-01 112.13 2017-03-01 112.31 2017-04-01 112.36 2017-05-01 112.61 2017-06-01 112.98 2017-07-01 115.79 2017-08-01 117.78 2017-09-01 118.79 2017-10-01 119.76 2017-11-01 120.05 2017-12-01 120.10 2018-01-01 120.21 2018-02-01 120.30 2018-03-01 122.34 2018-04-01 122.42 2018-05-01 122.53 2018-06-01 122.93 2018-07-01 123.79 2018-08-01 125.96 2018-09-01 127.40 2018-10-01 127.91