Month Index 2015=100 1997-12-01 35.31 1998-01-01 37.62 1998-02-01 37.81 1998-03-01 38.31 1998-04-01 38.56 1998-05-01 38.66 1998-06-01 38.82 1998-07-01 39.10 1998-08-01 39.14 1998-09-01 39.29 1998-10-01 39.22 1998-11-01 39.07 1998-12-01 39.17 1999-01-01 40.54 1999-02-01 40.62 1999-03-01 40.97 1999-04-01 41.33 1999-05-01 41.36 1999-06-01 40.97 1999-07-01 41.14 1999-08-01 41.12 1999-09-01 41.41 1999-10-01 41.40 1999-11-01 41.70 1999-12-01 41.81 2000-01-01 45.47 2000-02-01 45.33 2000-03-01 48.14 2000-04-01 48.29 2000-05-01 48.66 2000-06-01 48.90 2000-07-01 49.72 2000-08-01 49.34 2000-09-01 49.21 2000-10-01 49.22 2000-11-01 50.03 2000-12-01 50.78 2001-01-01 51.30 2001-02-01 52.89 2001-03-01 52.84 2001-04-01 53.37 2001-05-01 53.43 2001-06-01 53.46 2001-07-01 51.48 2001-08-01 51.77 2001-09-01 51.49 2001-10-01 51.57 2001-11-01 51.37 2001-12-01 51.65 2002-01-01 51.57 2002-02-01 51.50 2002-03-01 51.57 2002-04-01 51.42 2002-05-01 51.56 2002-06-01 51.69 2002-07-01 52.21 2002-08-01 52.30 2002-09-01 52.02 2002-10-01 52.16 2002-11-01 51.93 2002-12-01 52.00 2003-01-01 52.16 2003-02-01 52.21 2003-03-01 52.28 2003-04-01 52.48 2003-05-01 52.70 2003-06-01 52.89 2003-07-01 53.07 2003-08-01 52.99 2003-09-01 52.55 2003-10-01 52.56 2003-11-01 52.55 2003-12-01 52.18 2004-01-01 52.64 2004-02-01 52.85 2004-03-01 53.00 2004-04-01 53.74 2004-05-01 55.07 2004-06-01 55.85 2004-07-01 56.53 2004-08-01 56.68 2004-09-01 56.77 2004-10-01 56.94 2004-11-01 57.46 2004-12-01 57.58 2005-01-01 58.81 2005-02-01 59.27 2005-03-01 59.48 2005-04-01 59.47 2005-05-01 60.65 2005-06-01 61.75 2005-07-01 62.11 2005-08-01 62.19 2005-09-01 62.09 2005-10-01 62.36 2005-11-01 62.72 2005-12-01 62.51 2006-01-01 63.18 2006-02-01 63.26 2006-03-01 63.90 2006-04-01 64.30 2006-05-01 65.79 2006-06-01 66.12 2006-07-01 66.66 2006-08-01 66.73 2006-09-01 66.79 2006-10-01 67.14 2006-11-01 68.06 2006-12-01 68.84 2007-01-01 69.56 2007-02-01 69.60 2007-03-01 70.78 2007-04-01 71.30 2007-05-01 71.92 2007-06-01 73.66 2007-07-01 74.54 2007-08-01 76.88 2007-09-01 76.94 2007-10-01 78.10 2007-11-01 79.29 2007-12-01 79.16 2008-01-01 82.78 2008-02-01 84.06 2008-03-01 85.49 2008-04-01 86.01 2008-05-01 86.75 2008-06-01 87.39 2008-07-01 89.23 2008-08-01 90.89 2008-09-01 89.51 2008-10-01 88.57 2008-11-01 89.89 2008-12-01 92.45 2009-01-01 90.76 2009-02-01 90.91 2009-03-01 91.68 2009-04-01 90.72 2009-05-01 92.23 2009-06-01 92.13 2009-07-01 92.07 2009-08-01 92.20 2009-09-01 91.36 2009-10-01 91.17 2009-11-01 90.61 2009-12-01 90.72 2010-01-01 89.92 2010-02-01 90.88 2010-03-01 91.37 2010-04-01 91.05 2010-05-01 91.53 2010-06-01 90.93 2010-07-01 91.63 2010-08-01 91.95 2010-09-01 90.52 2010-10-01 90.64 2010-11-01 90.11 2010-12-01 90.79 2011-01-01 89.67 2011-02-01 90.37 2011-03-01 91.88 2011-04-01 90.69 2011-05-01 91.55 2011-06-01 91.61 2011-07-01 94.12 2011-08-01 93.99 2011-09-01 94.77 2011-10-01 93.64 2011-11-01 93.11 2011-12-01 95.34 2012-01-01 94.29 2012-02-01 94.13 2012-03-01 96.95 2012-04-01 96.66 2012-05-01 97.04 2012-06-01 98.79 2012-07-01 99.27 2012-08-01 99.43 2012-09-01 98.85 2012-10-01 101.42 2012-11-01 97.24 2012-12-01 99.23 2013-01-01 94.72 2013-02-01 95.76 2013-03-01 100.94 2013-04-01 98.08 2013-05-01 98.28 2013-06-01 99.28 2013-07-01 98.55 2013-08-01 100.69 2013-09-01 99.19 2013-10-01 98.60 2013-11-01 95.91 2013-12-01 99.97 2014-01-01 97.67 2014-02-01 97.00 2014-03-01 103.04 2014-04-01 101.07 2014-05-01 99.67 2014-06-01 99.59 2014-07-01 100.42 2014-08-01 100.78 2014-09-01 98.55 2014-10-01 102.16 2014-11-01 95.93 2014-12-01 101.43 2015-01-01 99.30 2015-02-01 97.00 2015-03-01 101.46 2015-04-01 99.18 2015-05-01 99.37 2015-06-01 102.01 2015-07-01 99.74 2015-08-01 102.25 2015-09-01 96.76 2015-10-01 104.81 2015-11-01 99.15 2015-12-01 98.96 2016-01-01 95.13 2016-02-01 98.62 2016-03-01 102.56 2016-04-01 101.03 2016-05-01 98.97 2016-06-01 102.07 2016-07-01 99.06 2016-08-01 98.23 2016-09-01 100.69 2016-10-01 98.72 2016-11-01 95.74 2016-12-01 100.03 2017-01-01 98.06 2017-02-01 103.80 2017-03-01 106.13 2017-04-01 103.14 2017-05-01 101.94 2017-06-01 105.35 2017-07-01 106.03 2017-08-01 105.71 2017-09-01 103.13 2017-10-01 101.15 2017-11-01 100.80 2017-12-01 102.66 2018-01-01 98.98 2018-02-01 102.23 2018-03-01 101.18 2018-04-01 102.36 2018-05-01 101.66 2018-06-01 103.69 2018-07-01 106.56 2018-08-01 108.80 2018-09-01 106.98 2018-10-01 113.81