Month Index 2015=100 1996-12-01 5.20 1997-01-01 6.60 1997-02-01 25.90 1997-03-01 29.58 1997-04-01 29.53 1997-05-01 32.99 1997-06-01 38.22 1997-07-01 38.78 1997-08-01 38.65 1997-09-01 38.84 1997-10-01 38.81 1997-11-01 38.99 1997-12-01 38.62 1998-01-01 38.29 1998-02-01 38.86 1998-03-01 39.32 1998-04-01 41.34 1998-05-01 43.99 1998-06-01 44.56 1998-07-01 45.92 1998-08-01 48.01 1998-09-01 48.58 1998-10-01 48.65 1998-11-01 48.93 1998-12-01 49.67 1999-01-01 50.05 1999-02-01 50.25 1999-03-01 50.34 1999-04-01 50.41 1999-05-01 50.63 1999-06-01 50.49 1999-07-01 51.16 1999-08-01 51.27 1999-09-01 51.71 1999-10-01 51.77 1999-11-01 51.84 1999-12-01 51.85 2000-01-01 52.61 2000-02-01 52.92 2000-03-01 52.91 2000-04-01 54.00 2000-05-01 54.83 2000-06-01 55.15 2000-07-01 55.79 2000-08-01 55.80 2000-09-01 55.32 2000-10-01 55.23 2000-11-01 55.23 2000-12-01 55.32 2001-01-01 55.01 2001-02-01 54.98 2001-03-01 55.26 2001-04-01 55.60 2001-05-01 55.08 2001-06-01 54.74 2001-07-01 55.20 2001-08-01 55.41 2001-09-01 55.53 2001-10-01 56.02 2001-11-01 56.58 2001-12-01 56.68 2002-01-01 58.71 2002-02-01 59.34 2002-03-01 59.61 2002-04-01 59.01 2002-05-01 58.15 2002-06-01 57.93 2002-07-01 57.33 2002-08-01 56.91 2002-09-01 56.88 2002-10-01 56.86 2002-11-01 56.21 2002-12-01 55.85 2003-01-01 55.49 2003-02-01 55.38 2003-03-01 55.37 2003-04-01 55.20 2003-05-01 55.16 2003-06-01 54.66 2003-07-01 54.47 2003-08-01 54.63 2003-09-01 54.67 2003-10-01 54.70 2003-11-01 54.84 2003-12-01 54.88 2004-01-01 54.86 2004-02-01 54.90 2004-03-01 54.90 2004-04-01 55.55 2004-05-01 56.18 2004-06-01 56.20 2004-07-01 56.36 2004-08-01 56.54 2004-09-01 56.58 2004-10-01 56.55 2004-11-01 56.68 2004-12-01 56.74 2005-01-01 57.64 2005-02-01 58.45 2005-03-01 59.07 2005-04-01 59.44 2005-05-01 60.03 2005-06-01 60.48 2005-07-01 60.62 2005-08-01 60.87 2005-09-01 61.10 2005-10-01 61.57 2005-11-01 61.69 2005-12-01 61.96 2006-01-01 62.02 2006-02-01 62.23 2006-03-01 62.51 2006-04-01 63.30 2006-05-01 63.56 2006-06-01 64.61 2006-07-01 65.13 2006-08-01 65.15 2006-09-01 65.42 2006-10-01 65.64 2006-11-01 66.20 2006-12-01 66.66 2007-01-01 67.29 2007-02-01 67.71 2007-03-01 68.39 2007-04-01 69.52 2007-05-01 70.59 2007-06-01 72.00 2007-07-01 72.89 2007-08-01 74.19 2007-09-01 74.94 2007-10-01 76.16 2007-11-01 76.69 2007-12-01 77.74 2008-01-01 77.81 2008-02-01 78.69 2008-03-01 79.95 2008-04-01 81.12 2008-05-01 83.28 2008-06-01 83.74 2008-07-01 85.37 2008-08-01 85.95 2008-09-01 86.15 2008-10-01 86.55 2008-11-01 87.22 2008-12-01 87.54 2009-01-01 87.86 2009-02-01 88.24 2009-03-01 88.09 2009-04-01 88.53 2009-05-01 88.85 2009-06-01 88.65 2009-07-01 88.93 2009-08-01 89.29 2009-09-01 89.07 2009-10-01 89.30 2009-11-01 89.25 2009-12-01 89.82 2010-01-01 90.17 2010-02-01 89.35 2010-03-01 89.03 2010-04-01 89.50 2010-05-01 89.54 2010-06-01 90.37 2010-07-01 90.92 2010-08-01 90.75 2010-09-01 91.16 2010-10-01 91.06 2010-11-01 91.71 2010-12-01 92.53 2011-01-01 93.17 2011-02-01 94.27 2011-03-01 94.17 2011-04-01 94.07 2011-05-01 92.96 2011-06-01 93.61 2011-07-01 92.65 2011-08-01 92.03 2011-09-01 93.06 2011-10-01 93.54 2011-11-01 92.91 2011-12-01 93.16 2012-01-01 93.33 2012-02-01 93.90 2012-03-01 93.70 2012-04-01 92.94 2012-05-01 93.24 2012-06-01 93.91 2012-07-01 94.46 2012-08-01 94.97 2012-09-01 94.43 2012-10-01 94.72 2012-11-01 95.11 2012-12-01 94.58 2013-01-01 94.54 2013-02-01 95.23 2013-03-01 95.98 2013-04-01 95.64 2013-05-01 96.69 2013-06-01 96.51 2013-07-01 96.86 2013-08-01 96.87 2013-09-01 96.52 2013-10-01 97.52 2013-11-01 98.16 2013-12-01 98.85 2014-01-01 99.16 2014-02-01 99.09 2014-03-01 98.55 2014-04-01 97.67 2014-05-01 97.81 2014-06-01 96.84 2014-07-01 97.37 2014-08-01 97.80 2014-09-01 98.03 2014-10-01 98.83 2014-11-01 99.66 2014-12-01 99.53 2015-01-01 100.15 2015-02-01 99.67 2015-03-01 100.00 2015-04-01 99.88 2015-05-01 99.69 2015-06-01 99.69 2015-07-01 98.46 2015-08-01 99.66 2015-09-01 100.55 2015-10-01 100.41 2015-11-01 100.28 2015-12-01 101.56 2016-01-01 101.37 2016-02-01 100.56 2016-03-01 100.12 2016-04-01 99.57 2016-05-01 99.54 2016-06-01 98.66 2016-07-01 97.82 2016-08-01 97.81 2016-09-01 99.14 2016-10-01 100.35 2016-11-01 99.40 2016-12-01 98.99 2017-01-01 100.41 2017-02-01 100.84 2017-03-01 99.67 2017-04-01 98.55 2017-05-01 97.86 2017-06-01 98.42 2017-07-01 97.05 2017-08-01 96.60 2017-09-01 96.96 2017-10-01 95.20 2017-11-01 96.40 2017-12-01 96.11 2018-01-01 97.09 2018-02-01 97.70 2018-03-01 98.00 2018-04-01 97.72 2018-05-01 96.36 2018-06-01 93.57 2018-07-01 94.48 2018-08-01 94.62 2018-09-01 95.29 2018-10-01 95.75