Month Index 2015=100 1996-12-01 1.40 1997-01-01 3.55 1997-02-01 3.97 1997-03-01 4.74 1997-04-01 5.27 1997-05-01 6.07 1997-06-01 6.79 1997-07-01 7.50 1997-08-01 7.93 1997-09-01 8.31 1997-10-01 8.73 1997-11-01 8.91 1997-12-01 9.03 1998-01-01 9.34 1998-02-01 9.63 1998-03-01 10.28 1998-04-01 10.39 1998-05-01 10.50 1998-06-01 10.96 1998-07-01 16.75 1998-08-01 26.17 1998-09-01 32.77 1998-10-01 34.20 1998-11-01 34.18 1998-12-01 34.48 1999-01-01 35.71 1999-02-01 36.26 1999-03-01 35.54 1999-04-01 35.54 1999-05-01 35.92 1999-06-01 36.07 1999-07-01 36.68 1999-08-01 38.95 1999-09-01 39.35 1999-10-01 39.47 1999-11-01 39.67 1999-12-01 39.85 2000-01-01 40.86 2000-02-01 41.82 2000-03-01 42.45 2000-04-01 43.01 2000-05-01 43.58 2000-06-01 43.94 2000-07-01 43.89 2000-08-01 43.85 2000-09-01 43.75 2000-10-01 44.54 2000-11-01 44.65 2000-12-01 44.65 2001-01-01 45.36 2001-02-01 45.52 2001-03-01 45.87 2001-04-01 45.95 2001-05-01 46.72 2001-06-01 46.89 2001-07-01 47.03 2001-08-01 47.03 2001-09-01 47.15 2001-10-01 47.48 2001-11-01 47.76 2001-12-01 47.79 2002-01-01 47.89 2002-02-01 48.23 2002-03-01 48.69 2002-04-01 48.93 2002-05-01 48.71 2002-06-01 48.74 2002-07-01 49.31 2002-08-01 49.45 2002-09-01 49.49 2002-10-01 50.14 2002-11-01 50.14 2002-12-01 50.25 2003-01-01 50.43 2003-02-01 50.61 2003-03-01 50.79 2003-04-01 50.79 2003-05-01 50.79 2003-06-01 50.83 2003-07-01 50.72 2003-08-01 50.72 2003-09-01 50.90 2003-10-01 50.90 2003-11-01 51.30 2003-12-01 51.30 2004-01-01 51.84 2004-02-01 52.51 2004-03-01 52.82 2004-04-01 52.82 2004-05-01 53.73 2004-06-01 54.49 2004-07-01 54.65 2004-08-01 54.65 2004-09-01 54.73 2004-10-01 54.82 2004-11-01 55.21 2004-12-01 55.51 2005-01-01 55.77 2005-02-01 56.77 2005-03-01 58.06 2005-04-01 58.53 2005-05-01 58.53 2005-06-01 58.53 2005-07-01 58.95 2005-08-01 58.95 2005-09-01 59.45 2005-10-01 59.69 2005-11-01 60.09 2005-12-01 60.52 2006-01-01 61.71 2006-02-01 62.55 2006-03-01 63.37 2006-04-01 64.38 2006-05-01 64.91 2006-06-01 65.82 2006-07-01 65.82 2006-08-01 65.82 2006-09-01 65.96 2006-10-01 66.77 2006-11-01 67.01 2006-12-01 67.01 2007-01-01 68.20 2007-02-01 70.10 2007-03-01 70.49 2007-04-01 71.21 2007-05-01 71.45 2007-06-01 72.48 2007-07-01 73.01 2007-08-01 73.69 2007-09-01 74.10 2007-10-01 74.63 2007-11-01 76.72 2007-12-01 77.62 2008-01-01 80.14 2008-02-01 81.67 2008-03-01 82.72 2008-04-01 83.79 2008-05-01 84.09 2008-06-01 84.94 2008-07-01 87.41 2008-08-01 87.60 2008-09-01 87.88 2008-10-01 88.30 2008-11-01 88.62 2008-12-01 88.97 2009-01-01 89.56 2009-02-01 89.83 2009-03-01 91.06 2009-04-01 91.06 2009-05-01 91.33 2009-06-01 91.42 2009-07-01 91.45 2009-08-01 91.68 2009-09-01 91.68 2009-10-01 92.38 2009-11-01 92.73 2009-12-01 92.73 2010-01-01 92.73 2010-02-01 92.73 2010-03-01 92.73 2010-04-01 92.73 2010-05-01 92.73 2010-06-01 93.53 2010-07-01 93.69 2010-08-01 93.69 2010-09-01 92.99 2010-10-01 93.16 2010-11-01 93.33 2010-12-01 93.30 2011-01-01 93.45 2011-02-01 92.95 2011-03-01 92.80 2011-04-01 92.80 2011-05-01 92.80 2011-06-01 92.73 2011-07-01 92.88 2011-08-01 93.03 2011-09-01 92.87 2011-10-01 93.00 2011-11-01 93.45 2011-12-01 93.74 2012-01-01 94.76 2012-02-01 94.89 2012-03-01 94.89 2012-04-01 94.89 2012-05-01 94.89 2012-06-01 94.97 2012-07-01 94.97 2012-08-01 94.97 2012-09-01 94.97 2012-10-01 95.53 2012-11-01 95.43 2012-12-01 95.71 2013-01-01 96.02 2013-02-01 96.02 2013-03-01 96.02 2013-04-01 96.02 2013-05-01 96.11 2013-06-01 96.11 2013-07-01 96.53 2013-08-01 96.53 2013-09-01 96.53 2013-10-01 96.53 2013-11-01 96.68 2013-12-01 96.68 2014-01-01 96.61 2014-02-01 96.61 2014-03-01 96.87 2014-04-01 96.87 2014-05-01 96.87 2014-06-01 97.42 2014-07-01 97.36 2014-08-01 97.36 2014-09-01 97.36 2014-10-01 97.07 2014-11-01 97.07 2014-12-01 97.13 2015-01-01 97.83 2015-02-01 98.40 2015-03-01 98.90 2015-04-01 99.66 2015-05-01 99.83 2015-06-01 100.25 2015-07-01 100.71 2015-08-01 100.91 2015-09-01 100.91 2015-10-01 100.86 2015-11-01 100.86 2015-12-01 100.86 2016-01-01 101.11 2016-02-01 101.11 2016-03-01 101.09 2016-04-01 101.09 2016-05-01 101.09 2016-06-01 101.09 2016-07-01 100.70 2016-08-01 100.70 2016-09-01 100.70 2016-10-01 100.97 2016-11-01 101.29 2016-12-01 101.35 2017-01-01 103.26 2017-02-01 103.19 2017-03-01 103.47 2017-04-01 103.47 2017-05-01 103.47 2017-06-01 103.53 2017-07-01 103.59 2017-08-01 104.44 2017-09-01 104.44 2017-10-01 104.78 2017-11-01 104.78 2017-12-01 105.00 2018-01-01 106.70 2018-02-01 107.64 2018-03-01 108.79 2018-04-01 113.75 2018-05-01 113.91 2018-06-01 114.20 2018-07-01 114.20 2018-08-01 114.20 2018-09-01 114.20 2018-10-01 115.01