Month Index 2015=100 1996-12-01 4.11 1997-01-01 5.68 1997-02-01 17.51 1997-03-01 22.67 1997-04-01 22.91 1997-05-01 23.95 1997-06-01 25.12 1997-07-01 25.94 1997-08-01 27.35 1997-09-01 30.29 1997-10-01 31.97 1997-11-01 32.78 1997-12-01 33.39 1998-01-01 33.93 1998-02-01 34.85 1998-03-01 35.28 1998-04-01 35.94 1998-05-01 36.06 1998-06-01 35.44 1998-07-01 35.19 1998-08-01 35.29 1998-09-01 35.63 1998-10-01 36.89 1998-11-01 36.96 1998-12-01 37.13 1999-01-01 37.02 1999-02-01 37.85 1999-03-01 37.95 1999-04-01 37.89 1999-05-01 38.01 1999-06-01 37.61 1999-07-01 37.80 1999-08-01 38.82 1999-09-01 39.50 1999-10-01 40.11 1999-11-01 40.06 1999-12-01 40.42 2000-01-01 41.15 2000-02-01 41.42 2000-03-01 41.73 2000-04-01 41.99 2000-05-01 41.98 2000-06-01 42.08 2000-07-01 42.11 2000-08-01 43.18 2000-09-01 44.31 2000-10-01 45.06 2000-11-01 45.53 2000-12-01 46.10 2001-01-01 46.30 2001-02-01 46.51 2001-03-01 46.64 2001-04-01 46.75 2001-05-01 46.78 2001-06-01 46.71 2001-07-01 46.68 2001-08-01 46.81 2001-09-01 47.06 2001-10-01 47.19 2001-11-01 47.44 2001-12-01 47.62 2002-01-01 48.29 2002-02-01 48.82 2002-03-01 49.06 2002-04-01 49.10 2002-05-01 48.86 2002-06-01 48.90 2002-07-01 48.56 2002-08-01 48.74 2002-09-01 48.93 2002-10-01 49.11 2002-11-01 49.29 2002-12-01 49.46 2003-01-01 50.00 2003-02-01 50.24 2003-03-01 50.24 2003-04-01 50.45 2003-05-01 50.60 2003-06-01 50.71 2003-07-01 50.68 2003-08-01 50.70 2003-09-01 50.70 2003-10-01 50.81 2003-11-01 51.22 2003-12-01 51.53 2004-01-01 52.23 2004-02-01 52.42 2004-03-01 52.54 2004-04-01 52.58 2004-05-01 52.57 2004-06-01 52.49 2004-07-01 52.57 2004-08-01 52.92 2004-09-01 52.91 2004-10-01 53.06 2004-11-01 53.22 2004-12-01 53.34 2005-01-01 53.57 2005-02-01 53.93 2005-03-01 54.22 2005-04-01 54.45 2005-05-01 54.84 2005-06-01 55.07 2005-07-01 55.06 2005-08-01 55.32 2005-09-01 55.74 2005-10-01 56.45 2005-11-01 56.76 2005-12-01 57.16 2006-01-01 57.51 2006-02-01 58.00 2006-03-01 58.20 2006-04-01 58.82 2006-05-01 58.91 2006-06-01 58.91 2006-07-01 59.16 2006-08-01 59.13 2006-09-01 59.19 2006-10-01 59.71 2006-11-01 60.47 2006-12-01 61.02 2007-01-01 62.31 2007-02-01 62.89 2007-03-01 63.16 2007-04-01 63.41 2007-05-01 63.87 2007-06-01 64.06 2007-07-01 64.93 2007-08-01 68.02 2007-09-01 70.01 2007-10-01 70.61 2007-11-01 72.34 2007-12-01 73.24 2008-01-01 73.96 2008-02-01 75.25 2008-03-01 76.39 2008-04-01 77.07 2008-05-01 77.54 2008-06-01 78.44 2008-07-01 80.02 2008-08-01 81.24 2008-09-01 82.16 2008-10-01 82.94 2008-11-01 83.51 2008-12-01 84.12 2009-01-01 84.65 2009-02-01 85.55 2009-03-01 85.71 2009-04-01 85.94 2009-05-01 86.03 2009-06-01 86.08 2009-07-01 86.19 2009-08-01 86.55 2009-09-01 87.10 2009-10-01 87.64 2009-11-01 87.66 2009-12-01 87.85 2010-01-01 88.24 2010-02-01 88.34 2010-03-01 88.35 2010-04-01 88.56 2010-05-01 88.66 2010-06-01 88.92 2010-07-01 88.87 2010-08-01 88.99 2010-09-01 89.21 2010-10-01 89.48 2010-11-01 89.71 2010-12-01 89.77 2011-01-01 89.90 2011-02-01 90.22 2011-03-01 90.48 2011-04-01 91.04 2011-05-01 91.30 2011-06-01 91.48 2011-07-01 91.77 2011-08-01 91.97 2011-09-01 92.12 2011-10-01 92.49 2011-11-01 93.10 2011-12-01 93.20 2012-01-01 93.21 2012-02-01 93.30 2012-03-01 93.63 2012-04-01 93.70 2012-05-01 93.83 2012-06-01 93.93 2012-07-01 94.14 2012-08-01 94.38 2012-09-01 95.20 2012-10-01 95.73 2012-11-01 96.17 2012-12-01 96.47 2013-01-01 96.81 2013-02-01 97.04 2013-03-01 97.14 2013-04-01 97.44 2013-05-01 97.50 2013-06-01 97.77 2013-07-01 97.73 2013-08-01 97.96 2013-09-01 97.93 2013-10-01 98.05 2013-11-01 98.22 2013-12-01 98.33 2014-01-01 98.45 2014-02-01 98.47 2014-03-01 98.57 2014-04-01 98.71 2014-05-01 98.68 2014-06-01 98.69 2014-07-01 98.72 2014-08-01 98.70 2014-09-01 98.76 2014-10-01 99.02 2014-11-01 99.23 2014-12-01 99.25 2015-01-01 99.46 2015-02-01 99.50 2015-03-01 99.49 2015-04-01 99.60 2015-05-01 99.78 2015-06-01 99.88 2015-07-01 100.07 2015-08-01 100.08 2015-09-01 100.28 2015-10-01 100.48 2015-11-01 100.60 2015-12-01 100.79 2016-01-01 101.00 2016-02-01 101.13 2016-03-01 101.36 2016-04-01 101.35 2016-05-01 101.39 2016-06-01 101.48 2016-07-01 101.63 2016-08-01 101.82 2016-09-01 101.92 2016-10-01 102.10 2016-11-01 102.35 2016-12-01 102.79 2017-01-01 103.03 2017-02-01 103.18 2017-03-01 103.43 2017-04-01 103.45 2017-05-01 103.96 2017-06-01 104.23 2017-07-01 104.37 2017-08-01 104.50 2017-09-01 104.82 2017-10-01 105.11 2017-11-01 105.47 2017-12-01 105.87 2018-01-01 106.24 2018-02-01 106.55 2018-03-01 106.79 2018-04-01 107.08 2018-05-01 107.26 2018-06-01 107.74 2018-07-01 108.14 2018-08-01 108.28 2018-09-01 108.79 2018-10-01 109.61