Month Index 2015=100 1997-12-01 38.65 1998-01-01 39.02 1998-02-01 41.40 1998-03-01 41.95 1998-04-01 41.93 1998-05-01 41.93 1998-06-01 41.90 1998-07-01 41.91 1998-08-01 41.86 1998-09-01 41.93 1998-10-01 42.56 1998-11-01 42.81 1998-12-01 42.85 1999-01-01 44.62 1999-02-01 44.95 1999-03-01 45.88 1999-04-01 45.89 1999-05-01 46.08 1999-06-01 46.09 1999-07-01 46.33 1999-08-01 46.63 1999-09-01 46.69 1999-10-01 46.47 1999-11-01 46.43 1999-12-01 46.43 2000-01-01 46.51 2000-02-01 47.24 2000-03-01 47.27 2000-04-01 47.35 2000-05-01 47.35 2000-06-01 47.51 2000-07-01 47.49 2000-08-01 47.58 2000-09-01 47.94 2000-10-01 48.54 2000-11-01 49.40 2000-12-01 49.45 2001-01-01 49.55 2001-02-01 49.82 2001-03-01 49.87 2001-04-01 49.83 2001-05-01 49.93 2001-06-01 49.96 2001-07-01 49.94 2001-08-01 49.93 2001-09-01 50.05 2001-10-01 50.18 2001-11-01 50.28 2001-12-01 50.36 2002-01-01 50.39 2002-02-01 50.26 2002-03-01 51.25 2002-04-01 51.26 2002-05-01 51.40 2002-06-01 51.46 2002-07-01 51.64 2002-08-01 51.64 2002-09-01 51.99 2002-10-01 51.99 2002-11-01 52.04 2002-12-01 52.06 2003-01-01 53.40 2003-02-01 53.44 2003-03-01 53.59 2003-04-01 53.60 2003-05-01 53.63 2003-06-01 53.63 2003-07-01 53.55 2003-08-01 53.77 2003-09-01 53.79 2003-10-01 53.93 2003-11-01 54.11 2003-12-01 54.16 2004-01-01 54.38 2004-02-01 54.47 2004-03-01 54.67 2004-04-01 54.50 2004-05-01 54.77 2004-06-01 55.29 2004-07-01 55.71 2004-08-01 55.66 2004-09-01 55.74 2004-10-01 56.04 2004-11-01 56.59 2004-12-01 56.76 2005-01-01 57.36 2005-02-01 57.23 2005-03-01 57.28 2005-04-01 57.91 2005-05-01 58.11 2005-06-01 58.33 2005-07-01 58.37 2005-08-01 58.49 2005-09-01 58.84 2005-10-01 59.08 2005-11-01 59.36 2005-12-01 59.56 2006-01-01 61.06 2006-02-01 61.28 2006-03-01 61.37 2006-04-01 62.07 2006-05-01 62.66 2006-06-01 62.66 2006-07-01 62.98 2006-08-01 63.47 2006-09-01 64.17 2006-10-01 64.93 2006-11-01 65.14 2006-12-01 65.53 2007-01-01 69.41 2007-02-01 70.91 2007-03-01 70.91 2007-04-01 71.11 2007-05-01 72.05 2007-06-01 73.18 2007-07-01 74.07 2007-08-01 73.99 2007-09-01 74.50 2007-10-01 74.38 2007-11-01 74.49 2007-12-01 75.45 2008-01-01 78.07 2008-02-01 78.95 2008-03-01 79.06 2008-04-01 80.46 2008-05-01 81.55 2008-06-01 82.50 2008-07-01 84.34 2008-08-01 84.38 2008-09-01 84.68 2008-10-01 84.88 2008-11-01 84.54 2008-12-01 85.22 2009-01-01 89.49 2009-02-01 89.58 2009-03-01 90.33 2009-04-01 89.88 2009-05-01 90.15 2009-06-01 90.55 2009-07-01 91.64 2009-08-01 92.03 2009-09-01 91.93 2009-10-01 91.72 2009-11-01 91.22 2009-12-01 90.79 2010-01-01 90.61 2010-02-01 91.06 2010-03-01 91.16 2010-04-01 91.17 2010-05-01 90.73 2010-06-01 90.89 2010-07-01 90.45 2010-08-01 90.81 2010-09-01 90.67 2010-10-01 89.82 2010-11-01 89.61 2010-12-01 89.47 2011-01-01 90.86 2011-02-01 90.87 2011-03-01 91.11 2011-04-01 91.39 2011-05-01 91.53 2011-06-01 91.82 2011-07-01 91.88 2011-08-01 92.06 2011-09-01 92.10 2011-10-01 92.11 2011-11-01 91.89 2011-12-01 91.89 2012-01-01 92.00 2012-02-01 91.97 2012-03-01 92.35 2012-04-01 92.48 2012-05-01 92.62 2012-06-01 92.88 2012-07-01 93.05 2012-08-01 93.10 2012-09-01 93.34 2012-10-01 93.27 2012-11-01 93.03 2012-12-01 93.03 2013-01-01 93.25 2013-02-01 93.47 2013-03-01 93.70 2013-04-01 94.21 2013-05-01 94.34 2013-06-01 94.44 2013-07-01 96.05 2013-08-01 96.14 2013-09-01 95.97 2013-10-01 96.67 2013-11-01 96.21 2013-12-01 96.21 2014-01-01 96.70 2014-02-01 97.12 2014-03-01 97.23 2014-04-01 97.27 2014-05-01 97.81 2014-06-01 97.81 2014-07-01 97.81 2014-08-01 97.81 2014-09-01 97.82 2014-10-01 97.97 2014-11-01 98.03 2014-12-01 98.03 2015-01-01 98.38 2015-02-01 98.59 2015-03-01 98.59 2015-04-01 98.70 2015-05-01 98.72 2015-06-01 99.35 2015-07-01 99.36 2015-08-01 99.59 2015-09-01 101.44 2015-10-01 102.29 2015-11-01 102.50 2015-12-01 102.50 2016-01-01 102.78 2016-02-01 102.85 2016-03-01 103.34 2016-04-01 103.34 2016-05-01 103.55 2016-06-01 103.72 2016-07-01 104.04 2016-08-01 104.18 2016-09-01 104.20 2016-10-01 105.37 2016-11-01 105.72 2016-12-01 106.04 2017-01-01 105.56 2017-02-01 105.67 2017-03-01 106.15 2017-04-01 105.99 2017-05-01 106.21 2017-06-01 106.65 2017-07-01 107.76 2017-08-01 107.81 2017-09-01 108.51 2017-10-01 108.15 2017-11-01 108.05 2017-12-01 108.07 2018-01-01 108.51 2018-02-01 108.71 2018-03-01 108.57 2018-04-01 108.80 2018-05-01 109.28 2018-06-01 109.96 2018-07-01 110.51 2018-08-01 111.25 2018-09-01 110.70 2018-10-01 111.15