Month Index 2015=100 1996-12-01 3.50 1997-01-01 4.32 1997-02-01 13.72 1997-03-01 14.67 1997-04-01 15.51 1997-05-01 17.42 1997-06-01 18.01 1997-07-01 19.00 1997-08-01 19.86 1997-09-01 24.43 1997-10-01 29.99 1997-11-01 32.97 1997-12-01 35.21 1998-01-01 38.55 1998-02-01 40.22 1998-03-01 41.23 1998-04-01 41.86 1998-05-01 42.42 1998-06-01 43.02 1998-07-01 43.17 1998-08-01 43.30 1998-09-01 44.40 1998-10-01 44.99 1998-11-01 46.64 1998-12-01 49.76 1999-01-01 51.13 1999-02-01 51.30 1999-03-01 51.21 1999-04-01 51.30 1999-05-01 51.43 1999-06-01 51.79 1999-07-01 52.38 1999-08-01 52.52 1999-09-01 52.71 1999-10-01 52.99 1999-11-01 53.05 1999-12-01 53.20 2000-01-01 55.00 2000-02-01 55.55 2000-03-01 55.88 2000-04-01 56.36 2000-05-01 57.29 2000-06-01 56.90 2000-07-01 56.90 2000-08-01 56.90 2000-09-01 57.32 2000-10-01 58.73 2000-11-01 58.95 2000-12-01 58.95 2001-01-01 59.28 2001-02-01 59.28 2001-03-01 59.81 2001-04-01 59.95 2001-05-01 60.21 2001-06-01 60.29 2001-07-01 60.29 2001-08-01 60.29 2001-09-01 60.29 2001-10-01 60.29 2001-11-01 60.29 2001-12-01 60.60 2002-01-01 60.94 2002-02-01 61.06 2002-03-01 61.06 2002-04-01 61.09 2002-05-01 60.88 2002-06-01 60.88 2002-07-01 60.81 2002-08-01 60.81 2002-09-01 60.81 2002-10-01 60.81 2002-11-01 60.81 2002-12-01 61.04 2003-01-01 61.04 2003-02-01 61.04 2003-03-01 61.56 2003-04-01 61.70 2003-05-01 61.92 2003-06-01 61.85 2003-07-01 61.73 2003-08-01 61.73 2003-09-01 61.68 2003-10-01 61.80 2003-11-01 61.80 2003-12-01 61.80 2004-01-01 62.61 2004-02-01 63.09 2004-03-01 63.09 2004-04-01 63.09 2004-05-01 63.09 2004-06-01 62.94 2004-07-01 62.94 2004-08-01 62.72 2004-09-01 63.05 2004-10-01 63.05 2004-11-01 63.44 2004-12-01 63.44 2005-01-01 63.44 2005-02-01 63.53 2005-03-01 63.53 2005-04-01 63.09 2005-05-01 63.19 2005-06-01 63.19 2005-07-01 63.19 2005-08-01 63.38 2005-09-01 63.38 2005-10-01 64.60 2005-11-01 65.64 2005-12-01 66.72 2006-01-01 66.93 2006-02-01 67.31 2006-03-01 68.25 2006-04-01 68.37 2006-05-01 68.53 2006-06-01 68.73 2006-07-01 68.55 2006-08-01 68.76 2006-09-01 68.81 2006-10-01 69.59 2006-11-01 69.59 2006-12-01 69.59 2007-01-01 70.39 2007-02-01 71.46 2007-03-01 71.74 2007-04-01 71.71 2007-05-01 71.99 2007-06-01 71.82 2007-07-01 72.36 2007-08-01 73.21 2007-09-01 73.49 2007-10-01 74.01 2007-11-01 75.86 2007-12-01 77.02 2008-01-01 77.73 2008-02-01 78.89 2008-03-01 79.37 2008-04-01 79.37 2008-05-01 80.20 2008-06-01 80.48 2008-07-01 80.76 2008-08-01 81.12 2008-09-01 83.20 2008-10-01 85.08 2008-11-01 86.77 2008-12-01 86.14 2009-01-01 86.14 2009-02-01 86.98 2009-03-01 87.48 2009-04-01 87.48 2009-05-01 87.48 2009-06-01 87.63 2009-07-01 88.83 2009-08-01 89.11 2009-09-01 89.71 2009-10-01 90.12 2009-11-01 90.18 2009-12-01 90.71 2010-01-01 90.71 2010-02-01 91.05 2010-03-01 90.84 2010-04-01 90.84 2010-05-01 90.84 2010-06-01 90.91 2010-07-01 90.91 2010-08-01 90.91 2010-09-01 91.23 2010-10-01 91.46 2010-11-01 91.46 2010-12-01 92.47 2011-01-01 92.47 2011-02-01 92.47 2011-03-01 93.31 2011-04-01 93.31 2011-05-01 93.31 2011-06-01 93.32 2011-07-01 93.32 2011-08-01 93.48 2011-09-01 93.80 2011-10-01 93.27 2011-11-01 93.47 2011-12-01 94.29 2012-01-01 94.34 2012-02-01 94.82 2012-03-01 94.91 2012-04-01 94.86 2012-05-01 94.94 2012-06-01 94.87 2012-07-01 95.00 2012-08-01 95.00 2012-09-01 94.97 2012-10-01 95.17 2012-11-01 95.24 2012-12-01 95.24 2013-01-01 95.61 2013-02-01 95.93 2013-03-01 96.16 2013-04-01 96.33 2013-05-01 96.94 2013-06-01 96.93 2013-07-01 97.06 2013-08-01 97.05 2013-09-01 97.09 2013-10-01 97.09 2013-11-01 97.09 2013-12-01 97.86 2014-01-01 97.86 2014-02-01 98.36 2014-03-01 98.87 2014-04-01 98.87 2014-05-01 98.87 2014-06-01 99.14 2014-07-01 99.21 2014-08-01 99.21 2014-09-01 99.09 2014-10-01 99.69 2014-11-01 99.69 2014-12-01 99.69 2015-01-01 99.65 2015-02-01 99.72 2015-03-01 99.94 2015-04-01 100.01 2015-05-01 100.01 2015-06-01 100.01 2015-07-01 99.81 2015-08-01 99.99 2015-09-01 100.30 2015-10-01 100.30 2015-11-01 100.12 2015-12-01 100.12 2016-01-01 100.60 2016-02-01 101.18 2016-03-01 101.18 2016-04-01 101.18 2016-05-01 101.18 2016-06-01 101.18 2016-07-01 101.17 2016-08-01 101.14 2016-09-01 101.14 2016-10-01 101.14 2016-11-01 101.14 2016-12-01 101.19 2017-01-01 101.41 2017-02-01 101.41 2017-03-01 100.98 2017-04-01 101.44 2017-05-01 100.82 2017-06-01 101.21 2017-07-01 101.27 2017-08-01 101.77 2017-09-01 101.71 2017-10-01 101.71 2017-11-01 102.38 2017-12-01 102.38 2018-01-01 102.98 2018-02-01 103.04 2018-03-01 104.27 2018-04-01 104.27 2018-05-01 104.23 2018-06-01 104.73 2018-07-01 105.15 2018-08-01 105.24 2018-09-01 105.30 2018-10-01 105.31