Month Index 2015=100 1996-12-01 2.45 1997-01-01 3.33 1997-02-01 10.40 1997-03-01 10.77 1997-04-01 15.14 1997-05-01 15.13 1997-06-01 15.46 1997-07-01 15.51 1997-08-01 15.79 1997-09-01 16.06 1997-10-01 15.92 1997-11-01 16.16 1997-12-01 16.20 1998-01-01 16.48 1998-02-01 16.56 1998-03-01 20.01 1998-04-01 21.55 1998-05-01 21.62 1998-06-01 21.63 1998-07-01 21.66 1998-08-01 21.65 1998-09-01 21.94 1998-10-01 22.00 1998-11-01 22.03 1998-12-01 22.07 1999-01-01 22.13 1999-02-01 22.16 1999-03-01 22.50 1999-04-01 22.52 1999-05-01 22.53 1999-06-01 22.55 1999-07-01 23.04 1999-08-01 23.11 1999-09-01 28.68 1999-10-01 38.24 1999-11-01 38.21 1999-12-01 38.24 2000-01-01 38.75 2000-02-01 40.20 2000-03-01 40.55 2000-04-01 40.97 2000-05-01 42.08 2000-06-01 42.67 2000-07-01 43.81 2000-08-01 44.35 2000-09-01 44.61 2000-10-01 46.02 2000-11-01 46.29 2000-12-01 46.43 2001-01-01 46.75 2001-02-01 46.78 2001-03-01 46.79 2001-04-01 47.53 2001-05-01 47.53 2001-06-01 47.54 2001-07-01 47.76 2001-08-01 47.76 2001-09-01 47.74 2001-10-01 47.76 2001-11-01 47.77 2001-12-01 47.78 2002-01-01 47.58 2002-02-01 47.61 2002-03-01 47.61 2002-04-01 47.63 2002-05-01 47.66 2002-06-01 47.88 2002-07-01 48.01 2002-08-01 47.99 2002-09-01 47.72 2002-10-01 47.71 2002-11-01 47.72 2002-12-01 47.74 2003-01-01 47.98 2003-02-01 47.97 2003-03-01 47.95 2003-04-01 48.46 2003-05-01 48.58 2003-06-01 48.58 2003-07-01 48.61 2003-08-01 55.35 2003-09-01 55.32 2003-10-01 55.38 2003-11-01 55.66 2003-12-01 55.76 2004-01-01 54.75 2004-02-01 50.23 2004-03-01 50.36 2004-04-01 50.32 2004-05-01 50.52 2004-06-01 51.43 2004-07-01 51.43 2004-08-01 51.43 2004-09-01 52.10 2004-10-01 52.33 2004-11-01 52.30 2004-12-01 52.66 2005-01-01 52.79 2005-02-01 52.80 2005-03-01 52.77 2005-04-01 53.12 2005-05-01 53.14 2005-06-01 53.10 2005-07-01 53.16 2005-08-01 53.17 2005-09-01 53.28 2005-10-01 53.27 2005-11-01 53.27 2005-12-01 53.30 2006-01-01 53.53 2006-02-01 53.54 2006-03-01 53.57 2006-04-01 53.56 2006-05-01 53.59 2006-06-01 53.60 2006-07-01 53.56 2006-08-01 53.66 2006-09-01 53.84 2006-10-01 54.28 2006-11-01 54.37 2006-12-01 54.39 2007-01-01 55.02 2007-02-01 55.57 2007-03-01 55.68 2007-04-01 57.73 2007-05-01 58.08 2007-06-01 58.23 2007-07-01 58.37 2007-08-01 58.66 2007-09-01 58.82 2007-10-01 58.94 2007-11-01 59.29 2007-12-01 59.50 2008-01-01 59.81 2008-02-01 60.46 2008-03-01 69.36 2008-04-01 69.36 2008-05-01 69.56 2008-06-01 69.75 2008-07-01 69.84 2008-08-01 69.84 2008-09-01 69.91 2008-10-01 70.05 2008-11-01 70.22 2008-12-01 70.34 2009-01-01 70.40 2009-02-01 70.86 2009-03-01 71.43 2009-04-01 71.50 2009-05-01 71.56 2009-06-01 71.92 2009-07-01 78.89 2009-08-01 78.98 2009-09-01 79.05 2009-10-01 79.01 2009-11-01 79.01 2009-12-01 79.00 2010-01-01 79.09 2010-02-01 79.12 2010-03-01 83.18 2010-04-01 94.92 2010-05-01 94.96 2010-06-01 94.95 2010-07-01 95.02 2010-08-01 94.97 2010-09-01 95.03 2010-10-01 95.11 2010-11-01 95.49 2010-12-01 95.69 2011-01-01 95.77 2011-02-01 95.77 2011-03-01 95.63 2011-04-01 95.68 2011-05-01 95.88 2011-06-01 95.93 2011-07-01 95.74 2011-08-01 95.99 2011-09-01 96.08 2011-10-01 96.28 2011-11-01 96.29 2011-12-01 96.33 2012-01-01 96.41 2012-02-01 96.55 2012-03-01 96.56 2012-04-01 96.58 2012-05-01 96.75 2012-06-01 96.83 2012-07-01 96.98 2012-08-01 97.14 2012-09-01 97.52 2012-10-01 97.68 2012-11-01 97.68 2012-12-01 97.61 2013-01-01 97.94 2013-02-01 97.98 2013-03-01 97.96 2013-04-01 98.14 2013-05-01 98.16 2013-06-01 98.18 2013-07-01 98.20 2013-08-01 98.19 2013-09-01 98.13 2013-10-01 98.14 2013-11-01 98.14 2013-12-01 98.22 2014-01-01 98.22 2014-02-01 98.20 2014-03-01 98.24 2014-04-01 98.50 2014-05-01 98.67 2014-06-01 98.64 2014-07-01 98.61 2014-08-01 98.70 2014-09-01 98.74 2014-10-01 98.77 2014-11-01 98.79 2014-12-01 98.81 2015-01-01 98.90 2015-02-01 98.83 2015-03-01 98.93 2015-04-01 99.01 2015-05-01 100.37 2015-06-01 100.37 2015-07-01 100.39 2015-08-01 100.44 2015-09-01 100.66 2015-10-01 100.68 2015-11-01 100.71 2015-12-01 100.71 2016-01-01 100.79 2016-02-01 100.89 2016-03-01 101.01 2016-04-01 101.02 2016-05-01 101.05 2016-06-01 101.23 2016-07-01 101.38 2016-08-01 101.51 2016-09-01 101.57 2016-10-01 101.57 2016-11-01 101.57 2016-12-01 101.57 2017-01-01 101.66 2017-02-01 101.67 2017-03-01 101.72 2017-04-01 102.15 2017-05-01 102.15 2017-06-01 102.19 2017-07-01 102.28 2017-08-01 102.33 2017-09-01 102.41 2017-10-01 102.51 2017-11-01 102.52 2017-12-01 102.57 2018-01-01 102.51 2018-02-01 103.02 2018-03-01 103.12 2018-04-01 103.36 2018-05-01 103.47 2018-06-01 103.53 2018-07-01 103.77 2018-08-01 103.85 2018-09-01 104.46 2018-10-01 104.82