Month Index 2015=100 1996-12-01 3.01 1997-01-01 4.50 1997-02-01 8.10 1997-03-01 10.13 1997-04-01 11.06 1997-05-01 12.62 1997-06-01 13.84 1997-07-01 16.07 1997-08-01 16.75 1997-09-01 17.23 1997-10-01 18.49 1997-11-01 19.70 1997-12-01 20.09 1998-01-01 20.68 1998-02-01 20.94 1998-03-01 33.85 1998-04-01 35.42 1998-05-01 35.55 1998-06-01 35.90 1998-07-01 36.29 1998-08-01 41.06 1998-09-01 41.47 1998-10-01 42.05 1998-11-01 42.71 1998-12-01 42.84 1999-01-01 43.25 1999-02-01 43.81 1999-03-01 44.39 1999-04-01 44.61 1999-05-01 45.33 1999-06-01 45.74 1999-07-01 47.75 1999-08-01 47.59 1999-09-01 48.01 1999-10-01 47.73 1999-11-01 48.29 1999-12-01 49.01 2000-01-01 49.98 2000-02-01 51.09 2000-03-01 51.38 2000-04-01 52.16 2000-05-01 53.46 2000-06-01 53.59 2000-07-01 53.72 2000-08-01 53.77 2000-09-01 53.82 2000-10-01 53.83 2000-11-01 53.85 2000-12-01 54.52 2001-01-01 56.64 2001-02-01 57.70 2001-03-01 57.67 2001-04-01 58.17 2001-05-01 59.00 2001-06-01 59.22 2001-07-01 59.24 2001-08-01 59.25 2001-09-01 59.45 2001-10-01 60.28 2001-11-01 60.56 2001-12-01 61.71 2002-01-01 64.17 2002-02-01 64.50 2002-03-01 64.62 2002-04-01 64.58 2002-05-01 64.56 2002-06-01 64.44 2002-07-01 64.31 2002-08-01 64.34 2002-09-01 64.39 2002-10-01 64.64 2002-11-01 64.54 2002-12-01 64.52 2003-01-01 64.28 2003-02-01 64.31 2003-03-01 64.30 2003-04-01 64.39 2003-05-01 64.17 2003-06-01 64.01 2003-07-01 64.14 2003-08-01 64.44 2003-09-01 64.43 2003-10-01 64.13 2003-11-01 64.24 2003-12-01 64.12 2004-01-01 64.34 2004-02-01 64.59 2004-03-01 65.07 2004-04-01 65.34 2004-05-01 65.67 2004-06-01 65.67 2004-07-01 65.76 2004-08-01 66.09 2004-09-01 66.57 2004-10-01 67.30 2004-11-01 67.69 2004-12-01 68.06 2005-01-01 68.30 2005-02-01 68.98 2005-03-01 69.34 2005-04-01 69.89 2005-05-01 69.89 2005-06-01 70.09 2005-07-01 70.25 2005-08-01 70.31 2005-09-01 70.38 2005-10-01 70.63 2005-11-01 71.00 2005-12-01 71.14 2006-01-01 72.55 2006-02-01 72.66 2006-03-01 73.13 2006-04-01 73.40 2006-05-01 73.53 2006-06-01 73.59 2006-07-01 73.78 2006-08-01 74.36 2006-09-01 74.52 2006-10-01 74.60 2006-11-01 74.86 2006-12-01 74.92 2007-01-01 75.21 2007-02-01 75.29 2007-03-01 75.52 2007-04-01 75.82 2007-05-01 75.82 2007-06-01 75.93 2007-07-01 76.55 2007-08-01 77.74 2007-09-01 77.82 2007-10-01 77.82 2007-11-01 77.98 2007-12-01 78.46 2008-01-01 80.91 2008-02-01 81.07 2008-03-01 82.18 2008-04-01 84.00 2008-05-01 85.09 2008-06-01 85.26 2008-07-01 86.09 2008-08-01 86.38 2008-09-01 87.00 2008-10-01 87.29 2008-11-01 87.76 2008-12-01 88.93 2009-01-01 89.80 2009-02-01 90.96 2009-03-01 93.38 2009-04-01 94.58 2009-05-01 94.66 2009-06-01 94.85 2009-07-01 94.85 2009-08-01 94.85 2009-09-01 95.21 2009-10-01 95.21 2009-11-01 95.21 2009-12-01 95.13 2010-01-01 94.82 2010-02-01 94.75 2010-03-01 95.91 2010-04-01 96.09 2010-05-01 96.76 2010-06-01 96.72 2010-07-01 96.29 2010-08-01 96.49 2010-09-01 96.55 2010-10-01 97.35 2010-11-01 97.35 2010-12-01 97.40 2011-01-01 97.64 2011-02-01 97.74 2011-03-01 97.62 2011-04-01 97.65 2011-05-01 97.65 2011-06-01 97.69 2011-07-01 97.69 2011-08-01 97.64 2011-09-01 97.66 2011-10-01 97.66 2011-11-01 97.66 2011-12-01 97.73 2012-01-01 97.59 2012-02-01 97.62 2012-03-01 97.78 2012-04-01 97.88 2012-05-01 98.19 2012-06-01 98.19 2012-07-01 99.11 2012-08-01 99.11 2012-09-01 99.37 2012-10-01 99.14 2012-11-01 99.20 2012-12-01 99.20 2013-01-01 98.99 2013-02-01 98.90 2013-03-01 99.15 2013-04-01 99.08 2013-05-01 99.08 2013-06-01 99.13 2013-07-01 99.13 2013-08-01 99.14 2013-09-01 99.00 2013-10-01 99.00 2013-11-01 98.90 2013-12-01 98.85 2014-01-01 98.93 2014-02-01 98.95 2014-03-01 98.97 2014-04-01 98.92 2014-05-01 99.24 2014-06-01 99.24 2014-07-01 99.19 2014-08-01 99.19 2014-09-01 99.63 2014-10-01 99.63 2014-11-01 99.63 2014-12-01 99.63 2015-01-01 99.83 2015-02-01 100.02 2015-03-01 99.95 2015-04-01 99.96 2015-05-01 99.96 2015-06-01 99.96 2015-07-01 99.96 2015-08-01 99.96 2015-09-01 100.03 2015-10-01 100.06 2015-11-01 100.14 2015-12-01 100.14 2016-01-01 100.13 2016-02-01 100.14 2016-03-01 100.13 2016-04-01 100.61 2016-05-01 100.61 2016-06-01 100.61 2016-07-01 100.61 2016-08-01 100.66 2016-09-01 100.77 2016-10-01 100.89 2016-11-01 100.99 2016-12-01 100.99 2017-01-01 101.12 2017-02-01 101.12 2017-03-01 101.17 2017-04-01 101.56 2017-05-01 101.56 2017-06-01 101.65 2017-07-01 101.65 2017-08-01 101.68 2017-09-01 101.71 2017-10-01 101.93 2017-11-01 101.99 2017-12-01 102.05 2018-01-01 102.31 2018-02-01 102.57 2018-03-01 102.61 2018-04-01 103.21 2018-05-01 103.25 2018-06-01 103.25 2018-07-01 103.25 2018-08-01 104.20 2018-09-01 104.31 2018-10-01 104.31