Month Index 2015=100 1997-12-01 34.68 1998-01-01 37.04 1998-02-01 38.42 1998-03-01 38.95 1998-04-01 39.02 1998-05-01 39.03 1998-06-01 39.02 1998-07-01 39.02 1998-08-01 39.00 1998-09-01 39.04 1998-10-01 39.40 1998-11-01 39.55 1998-12-01 39.57 1999-01-01 41.45 1999-02-01 41.93 1999-03-01 42.47 1999-04-01 42.55 1999-05-01 42.66 1999-06-01 42.86 1999-07-01 43.00 1999-08-01 43.17 1999-09-01 43.21 1999-10-01 42.51 1999-11-01 42.49 1999-12-01 43.06 2000-01-01 43.26 2000-02-01 43.69 2000-03-01 43.94 2000-04-01 44.10 2000-05-01 44.10 2000-06-01 44.47 2000-07-01 44.46 2000-08-01 44.51 2000-09-01 44.72 2000-10-01 45.08 2000-11-01 45.58 2000-12-01 45.61 2001-01-01 46.36 2001-02-01 46.62 2001-03-01 46.64 2001-04-01 47.23 2001-05-01 47.84 2001-06-01 47.86 2001-07-01 48.06 2001-08-01 48.08 2001-09-01 48.14 2001-10-01 48.21 2001-11-01 48.29 2001-12-01 48.33 2002-01-01 49.00 2002-02-01 49.64 2002-03-01 50.11 2002-04-01 50.13 2002-05-01 50.20 2002-06-01 50.22 2002-07-01 50.31 2002-08-01 50.31 2002-09-01 50.47 2002-10-01 50.47 2002-11-01 50.49 2002-12-01 50.50 2003-01-01 51.07 2003-02-01 51.09 2003-03-01 51.16 2003-04-01 51.60 2003-05-01 51.62 2003-06-01 52.66 2003-07-01 52.70 2003-08-01 52.90 2003-09-01 52.91 2003-10-01 52.97 2003-11-01 53.04 2003-12-01 53.07 2004-01-01 55.11 2004-02-01 55.42 2004-03-01 55.50 2004-04-01 55.71 2004-05-01 55.91 2004-06-01 56.13 2004-07-01 56.32 2004-08-01 56.34 2004-09-01 56.38 2004-10-01 56.53 2004-11-01 56.77 2004-12-01 56.84 2005-01-01 59.82 2005-02-01 60.00 2005-03-01 60.02 2005-04-01 60.80 2005-05-01 60.89 2005-06-01 60.98 2005-07-01 60.99 2005-08-01 61.04 2005-09-01 61.18 2005-10-01 61.27 2005-11-01 61.57 2005-12-01 61.65 2006-01-01 64.62 2006-02-01 64.81 2006-03-01 64.90 2006-04-01 65.51 2006-05-01 65.74 2006-06-01 65.99 2006-07-01 66.90 2006-08-01 67.09 2006-09-01 67.36 2006-10-01 67.67 2006-11-01 67.85 2006-12-01 68.01 2007-01-01 72.50 2007-02-01 73.35 2007-03-01 73.35 2007-04-01 73.44 2007-05-01 73.84 2007-06-01 74.37 2007-07-01 75.05 2007-08-01 75.19 2007-09-01 75.43 2007-10-01 75.37 2007-11-01 75.87 2007-12-01 76.33 2008-01-01 80.79 2008-02-01 81.20 2008-03-01 81.25 2008-04-01 82.60 2008-05-01 83.10 2008-06-01 83.54 2008-07-01 84.92 2008-08-01 86.01 2008-09-01 86.15 2008-10-01 86.24 2008-11-01 86.09 2008-12-01 86.45 2009-01-01 92.24 2009-02-01 92.29 2009-03-01 92.44 2009-04-01 92.22 2009-05-01 92.32 2009-06-01 92.38 2009-07-01 93.20 2009-08-01 93.39 2009-09-01 93.34 2009-10-01 93.30 2009-11-01 92.56 2009-12-01 92.35 2010-01-01 92.20 2010-02-01 92.40 2010-03-01 92.45 2010-04-01 92.53 2010-05-01 92.99 2010-06-01 93.40 2010-07-01 93.56 2010-08-01 93.73 2010-09-01 93.67 2010-10-01 93.28 2010-11-01 93.18 2010-12-01 93.12 2011-01-01 93.81 2011-02-01 93.72 2011-03-01 93.85 2011-04-01 93.97 2011-05-01 94.03 2011-06-01 94.15 2011-07-01 92.97 2011-08-01 93.61 2011-09-01 93.63 2011-10-01 94.10 2011-11-01 93.36 2011-12-01 93.36 2012-01-01 93.41 2012-02-01 93.40 2012-03-01 93.55 2012-04-01 93.71 2012-05-01 93.81 2012-06-01 93.92 2012-07-01 94.37 2012-08-01 94.56 2012-09-01 94.66 2012-10-01 94.63 2012-11-01 94.53 2012-12-01 94.53 2013-01-01 94.82 2013-02-01 95.05 2013-03-01 95.04 2013-04-01 95.26 2013-05-01 95.31 2013-06-01 96.10 2013-07-01 96.78 2013-08-01 96.82 2013-09-01 96.97 2013-10-01 97.27 2013-11-01 97.07 2013-12-01 97.07 2014-01-01 97.42 2014-02-01 97.60 2014-03-01 97.65 2014-04-01 97.66 2014-05-01 98.64 2014-06-01 98.64 2014-07-01 98.64 2014-08-01 98.43 2014-09-01 98.43 2014-10-01 99.00 2014-11-01 99.40 2014-12-01 99.41 2015-01-01 99.56 2015-02-01 99.65 2015-03-01 99.66 2015-04-01 99.36 2015-05-01 99.36 2015-06-01 99.64 2015-07-01 99.65 2015-08-01 99.82 2015-09-01 100.50 2015-10-01 100.87 2015-11-01 100.96 2015-12-01 100.96 2016-01-01 101.73 2016-02-01 101.76 2016-03-01 101.96 2016-04-01 101.96 2016-05-01 101.86 2016-06-01 101.42 2016-07-01 102.38 2016-08-01 102.44 2016-09-01 102.45 2016-10-01 102.93 2016-11-01 103.01 2016-12-01 103.72 2017-01-01 103.70 2017-02-01 103.75 2017-03-01 103.93 2017-04-01 103.54 2017-05-01 105.33 2017-06-01 106.33 2017-07-01 106.80 2017-08-01 107.45 2017-09-01 107.72 2017-10-01 107.58 2017-11-01 107.66 2017-12-01 108.53 2018-01-01 109.56 2018-02-01 109.69 2018-03-01 109.64 2018-04-01 109.92 2018-05-01 110.11 2018-06-01 110.39 2018-07-01 110.61 2018-08-01 110.91 2018-09-01 110.69 2018-10-01 110.87