Month Index 2015=100 1996-12-01 8.35 1997-01-01 12.78 1997-02-01 49.18 1997-03-01 62.12 1997-04-01 50.74 1997-05-01 53.28 1997-06-01 52.05 1997-07-01 52.85 1997-08-01 55.41 1997-09-01 56.81 1997-10-01 55.82 1997-11-01 57.70 1997-12-01 56.16 1998-01-01 55.50 1998-02-01 53.84 1998-03-01 53.82 1998-04-01 53.76 1998-05-01 53.05 1998-06-01 52.37 1998-07-01 52.36 1998-08-01 53.41 1998-09-01 53.25 1998-10-01 53.62 1998-11-01 53.56 1998-12-01 53.82 1999-01-01 54.02 1999-02-01 53.62 1999-03-01 53.58 1999-04-01 54.03 1999-05-01 53.23 1999-06-01 53.21 1999-07-01 53.56 1999-08-01 53.58 1999-09-01 53.75 1999-10-01 54.61 1999-11-01 55.67 1999-12-01 56.01 2000-01-01 55.68 2000-02-01 55.70 2000-03-01 55.82 2000-04-01 55.79 2000-05-01 56.10 2000-06-01 56.04 2000-07-01 56.09 2000-08-01 56.24 2000-09-01 56.15 2000-10-01 56.43 2000-11-01 56.57 2000-12-01 56.94 2001-01-01 57.45 2001-02-01 57.44 2001-03-01 57.74 2001-04-01 58.08 2001-05-01 57.91 2001-06-01 57.82 2001-07-01 57.70 2001-08-01 57.64 2001-09-01 57.96 2001-10-01 57.92 2001-11-01 58.00 2001-12-01 57.61 2002-01-01 57.40 2002-02-01 57.28 2002-03-01 57.63 2002-04-01 58.05 2002-05-01 58.35 2002-06-01 58.33 2002-07-01 58.55 2002-08-01 58.58 2002-09-01 58.51 2002-10-01 59.60 2002-11-01 59.83 2002-12-01 60.01 2003-01-01 60.58 2003-02-01 60.84 2003-03-01 61.01 2003-04-01 61.35 2003-05-01 61.27 2003-06-01 61.19 2003-07-01 61.12 2003-08-01 61.28 2003-09-01 61.02 2003-10-01 61.40 2003-11-01 61.65 2003-12-01 61.66 2004-01-01 61.78 2004-02-01 61.98 2004-03-01 61.97 2004-04-01 62.03 2004-05-01 62.23 2004-06-01 62.10 2004-07-01 62.23 2004-08-01 62.48 2004-09-01 62.68 2004-10-01 62.78 2004-11-01 62.74 2004-12-01 63.16 2005-01-01 63.42 2005-02-01 63.60 2005-03-01 63.70 2005-04-01 63.90 2005-05-01 63.88 2005-06-01 63.77 2005-07-01 63.82 2005-08-01 64.08 2005-09-01 64.31 2005-10-01 64.60 2005-11-01 64.93 2005-12-01 65.17 2006-01-01 65.58 2006-02-01 65.85 2006-03-01 66.00 2006-04-01 66.61 2006-05-01 67.46 2006-06-01 67.65 2006-07-01 67.86 2006-08-01 67.99 2006-09-01 68.11 2006-10-01 68.04 2006-11-01 68.44 2006-12-01 68.72 2007-01-01 69.55 2007-02-01 69.88 2007-03-01 69.53 2007-04-01 69.82 2007-05-01 69.98 2007-06-01 70.13 2007-07-01 70.20 2007-08-01 70.44 2007-09-01 73.15 2007-10-01 73.81 2007-11-01 75.13 2007-12-01 76.05 2008-01-01 76.36 2008-02-01 77.07 2008-03-01 77.82 2008-04-01 78.08 2008-05-01 78.56 2008-06-01 79.01 2008-07-01 79.82 2008-08-01 80.20 2008-09-01 80.95 2008-10-01 81.75 2008-11-01 82.78 2008-12-01 83.45 2009-01-01 84.27 2009-02-01 86.04 2009-03-01 86.11 2009-04-01 86.11 2009-05-01 86.79 2009-06-01 87.20 2009-07-01 87.25 2009-08-01 87.64 2009-09-01 88.12 2009-10-01 89.51 2009-11-01 89.85 2009-12-01 89.98 2010-01-01 90.05 2010-02-01 90.28 2010-03-01 90.49 2010-04-01 90.58 2010-05-01 90.47 2010-06-01 90.76 2010-07-01 90.76 2010-08-01 90.46 2010-09-01 90.91 2010-10-01 91.15 2010-11-01 91.20 2010-12-01 91.70 2011-01-01 91.79 2011-02-01 92.04 2011-03-01 92.19 2011-04-01 92.17 2011-05-01 92.79 2011-06-01 92.76 2011-07-01 92.92 2011-08-01 92.84 2011-09-01 93.30 2011-10-01 93.68 2011-11-01 93.87 2011-12-01 94.37 2012-01-01 94.45 2012-02-01 94.66 2012-03-01 95.27 2012-04-01 94.90 2012-05-01 95.11 2012-06-01 95.22 2012-07-01 95.43 2012-08-01 95.42 2012-09-01 95.66 2012-10-01 95.91 2012-11-01 96.01 2012-12-01 96.31 2013-01-01 96.10 2013-02-01 96.28 2013-03-01 96.22 2013-04-01 96.26 2013-05-01 96.28 2013-06-01 96.27 2013-07-01 96.25 2013-08-01 96.26 2013-09-01 96.75 2013-10-01 97.15 2013-11-01 97.41 2013-12-01 97.39 2014-01-01 97.39 2014-02-01 97.78 2014-03-01 98.05 2014-04-01 98.16 2014-05-01 98.19 2014-06-01 98.30 2014-07-01 98.18 2014-08-01 98.36 2014-09-01 98.45 2014-10-01 98.33 2014-11-01 98.30 2014-12-01 98.27 2015-01-01 98.45 2015-02-01 98.31 2015-03-01 98.89 2015-04-01 99.78 2015-05-01 100.01 2015-06-01 100.02 2015-07-01 100.15 2015-08-01 100.36 2015-09-01 100.68 2015-10-01 101.56 2015-11-01 100.92 2015-12-01 100.88 2016-01-01 101.09 2016-02-01 101.48 2016-03-01 102.37 2016-04-01 102.62 2016-05-01 102.60 2016-06-01 102.71 2016-07-01 102.71 2016-08-01 102.70 2016-09-01 102.67 2016-10-01 102.89 2016-11-01 103.25 2016-12-01 103.51 2017-01-01 102.77 2017-02-01 102.82 2017-03-01 102.72 2017-04-01 103.30 2017-05-01 103.62 2017-06-01 103.95 2017-07-01 102.87 2017-08-01 102.88 2017-09-01 103.77 2017-10-01 104.07 2017-11-01 104.66 2017-12-01 104.77 2018-01-01 104.98 2018-02-01 104.93 2018-03-01 105.04 2018-04-01 105.28 2018-05-01 105.36 2018-06-01 105.37 2018-07-01 105.45 2018-08-01 105.83 2018-09-01 105.81 2018-10-01 106.23