Month Index 2015=100 1997-12-01 27.13 1998-01-01 27.72 1998-02-01 27.76 1998-03-01 27.76 1998-04-01 27.75 1998-05-01 28.15 1998-06-01 28.15 1998-07-01 29.08 1998-08-01 29.12 1998-09-01 29.17 1998-10-01 29.28 1998-11-01 29.48 1998-12-01 29.68 1999-01-01 30.89 1999-02-01 30.95 1999-03-01 31.59 1999-04-01 31.58 1999-05-01 31.52 1999-06-01 31.52 1999-07-01 31.51 1999-08-01 31.48 1999-09-01 31.41 1999-10-01 31.33 1999-11-01 31.35 1999-12-01 31.36 2000-01-01 31.50 2000-02-01 31.50 2000-03-01 31.49 2000-04-01 31.47 2000-05-01 31.46 2000-06-01 31.47 2000-07-01 32.37 2000-08-01 32.49 2000-09-01 32.55 2000-10-01 32.65 2000-11-01 32.76 2000-12-01 32.77 2001-01-01 35.22 2001-02-01 36.05 2001-03-01 36.16 2001-04-01 36.31 2001-05-01 36.31 2001-06-01 36.31 2001-07-01 36.60 2001-08-01 36.60 2001-09-01 36.65 2001-10-01 36.79 2001-11-01 36.72 2001-12-01 36.73 2002-01-01 38.19 2002-02-01 38.31 2002-03-01 38.47 2002-04-01 41.99 2002-05-01 41.94 2002-06-01 41.95 2002-07-01 42.26 2002-08-01 42.40 2002-09-01 42.47 2002-10-01 42.57 2002-11-01 42.58 2002-12-01 42.56 2003-01-01 42.79 2003-02-01 42.98 2003-03-01 42.94 2003-04-01 42.85 2003-05-01 42.80 2003-06-01 42.61 2003-07-01 42.60 2003-08-01 42.69 2003-09-01 42.73 2003-10-01 42.81 2003-11-01 42.84 2003-12-01 42.84 2004-01-01 43.81 2004-02-01 44.03 2004-03-01 44.09 2004-04-01 44.24 2004-05-01 44.38 2004-06-01 44.48 2004-07-01 44.55 2004-08-01 44.57 2004-09-01 44.57 2004-10-01 44.99 2004-11-01 45.19 2004-12-01 45.75 2005-01-01 46.00 2005-02-01 46.13 2005-03-01 48.34 2005-04-01 48.14 2005-05-01 48.25 2005-06-01 48.37 2005-07-01 48.43 2005-08-01 49.34 2005-09-01 49.53 2005-10-01 49.65 2005-11-01 49.72 2005-12-01 49.83 2006-01-01 50.83 2006-02-01 51.13 2006-03-01 51.34 2006-04-01 51.70 2006-05-01 51.88 2006-06-01 52.02 2006-07-01 52.17 2006-08-01 53.02 2006-09-01 53.12 2006-10-01 54.87 2006-11-01 55.47 2006-12-01 55.76 2007-01-01 56.19 2007-02-01 56.36 2007-03-01 56.36 2007-04-01 56.35 2007-05-01 56.55 2007-06-01 56.56 2007-07-01 60.92 2007-08-01 63.02 2007-09-01 63.47 2007-10-01 64.41 2007-11-01 64.76 2007-12-01 66.51 2008-01-01 69.61 2008-02-01 69.75 2008-03-01 69.64 2008-04-01 72.17 2008-05-01 72.54 2008-06-01 73.09 2008-07-01 74.28 2008-08-01 74.25 2008-09-01 74.58 2008-10-01 83.53 2008-11-01 85.86 2008-12-01 86.16 2009-01-01 85.29 2009-02-01 82.50 2009-03-01 79.20 2009-04-01 76.71 2009-05-01 75.37 2009-06-01 75.10 2009-07-01 77.29 2009-08-01 76.99 2009-09-01 77.61 2009-10-01 77.82 2009-11-01 77.73 2009-12-01 77.87 2010-01-01 79.32 2010-02-01 79.47 2010-03-01 81.23 2010-04-01 81.71 2010-05-01 82.75 2010-06-01 83.45 2010-07-01 83.57 2010-08-01 83.89 2010-09-01 84.86 2010-10-01 84.65 2010-11-01 85.22 2010-12-01 85.38 2011-01-01 83.90 2011-02-01 84.02 2011-03-01 84.06 2011-04-01 84.50 2011-05-01 85.31 2011-06-01 86.56 2011-07-01 87.77 2011-08-01 90.84 2011-09-01 91.51 2011-10-01 92.46 2011-11-01 92.48 2011-12-01 92.76 2012-01-01 95.82 2012-02-01 95.79 2012-03-01 96.27 2012-04-01 96.33 2012-05-01 96.58 2012-06-01 96.40 2012-07-01 98.01 2012-08-01 99.78 2012-09-01 100.70 2012-10-01 100.24 2012-11-01 100.23 2012-12-01 100.48 2013-01-01 107.36 2013-02-01 108.57 2013-03-01 109.68 2013-04-01 108.50 2013-05-01 107.00 2013-06-01 111.48 2013-07-01 107.92 2013-08-01 109.75 2013-09-01 110.72 2013-10-01 109.34 2013-11-01 107.88 2013-12-01 105.46 2014-01-01 105.73 2014-02-01 104.28 2014-03-01 103.61 2014-04-01 102.72 2014-05-01 103.38 2014-06-01 103.44 2014-07-01 104.75 2014-08-01 104.11 2014-09-01 104.93 2014-10-01 104.54 2014-11-01 104.24 2014-12-01 104.51 2015-01-01 103.49 2015-02-01 102.65 2015-03-01 101.65 2015-04-01 101.25 2015-05-01 101.61 2015-06-01 98.88 2015-07-01 98.85 2015-08-01 99.55 2015-09-01 99.58 2015-10-01 99.20 2015-11-01 97.89 2015-12-01 95.40 2016-01-01 98.24 2016-02-01 95.73 2016-03-01 95.15 2016-04-01 94.72 2016-05-01 94.00 2016-06-01 96.37 2016-07-01 94.56 2016-08-01 94.59 2016-09-01 94.75 2016-10-01 96.44 2016-11-01 97.52 2016-12-01 95.47 2017-01-01 96.23 2017-02-01 96.78 2017-03-01 95.10 2017-04-01 95.46 2017-05-01 95.25 2017-06-01 95.15 2017-07-01 96.62 2017-08-01 97.71 2017-09-01 97.87 2017-10-01 96.31 2017-11-01 96.26 2017-12-01 95.97 2018-01-01 97.84 2018-02-01 100.15 2018-03-01 100.93 2018-04-01 99.27 2018-05-01 98.72 2018-06-01 102.51 2018-07-01 106.36 2018-08-01 106.61 2018-09-01 106.07 2018-10-01 105.96