Month Index 2015=100 1996-01-01 20.57 1996-02-01 21.09 1996-03-01 21.22 1996-04-01 21.23 1996-05-01 21.42 1996-06-01 21.47 1996-07-01 21.62 1996-08-01 22.17 1996-09-01 22.17 1996-10-01 22.20 1996-11-01 22.25 1996-12-01 22.25 1997-01-01 24.41 1997-02-01 24.42 1997-03-01 24.67 1997-04-01 24.67 1997-05-01 24.81 1997-06-01 25.57 1997-07-01 25.57 1997-08-01 25.57 1997-09-01 25.57 1997-10-01 25.69 1997-11-01 25.76 1997-12-01 25.76 1998-01-01 26.88 1998-02-01 27.22 1998-03-01 27.37 1998-04-01 27.37 1998-05-01 27.37 1998-06-01 27.37 1998-07-01 27.62 1998-08-01 27.70 1998-09-01 27.70 1998-10-01 27.70 1998-11-01 28.15 1998-12-01 28.22 1999-01-01 29.22 1999-02-01 29.34 1999-03-01 29.34 1999-04-01 29.34 1999-05-01 29.34 1999-06-01 29.34 1999-07-01 29.34 1999-08-01 29.67 1999-09-01 29.89 1999-10-01 29.89 1999-11-01 30.19 1999-12-01 30.31 2000-01-01 31.28 2000-02-01 31.43 2000-03-01 31.54 2000-04-01 31.87 2000-05-01 31.80 2000-06-01 31.87 2000-07-01 31.94 2000-08-01 31.94 2000-09-01 31.94 2000-10-01 32.08 2000-11-01 32.20 2000-12-01 32.20 2001-01-01 32.90 2001-02-01 33.01 2001-03-01 33.02 2001-04-01 33.10 2001-05-01 33.38 2001-06-01 33.58 2001-07-01 33.72 2001-08-01 34.03 2001-09-01 34.10 2001-10-01 34.14 2001-11-01 33.99 2001-12-01 34.12 2002-01-01 34.11 2002-02-01 34.06 2002-03-01 34.06 2002-04-01 34.10 2002-05-01 34.53 2002-06-01 35.14 2002-07-01 35.14 2002-08-01 35.37 2002-09-01 35.41 2002-10-01 35.50 2002-11-01 35.50 2002-12-01 35.50 2003-01-01 37.30 2003-02-01 37.43 2003-03-01 37.43 2003-04-01 37.96 2003-05-01 38.08 2003-06-01 38.09 2003-07-01 38.56 2003-08-01 38.56 2003-09-01 38.73 2003-10-01 39.59 2003-11-01 39.61 2003-12-01 39.76 2004-01-01 40.79 2004-02-01 40.97 2004-03-01 40.97 2004-04-01 40.97 2004-05-01 40.73 2004-06-01 40.89 2004-07-01 41.16 2004-08-01 41.29 2004-09-01 41.29 2004-10-01 41.29 2004-11-01 41.33 2004-12-01 41.33 2005-01-01 41.48 2005-02-01 41.52 2005-03-01 41.61 2005-04-01 41.91 2005-05-01 41.91 2005-06-01 41.91 2005-07-01 42.43 2005-08-01 42.43 2005-09-01 42.43 2005-10-01 42.79 2005-11-01 43.48 2005-12-01 43.65 2006-01-01 44.94 2006-02-01 45.51 2006-03-01 45.61 2006-04-01 45.93 2006-05-01 46.08 2006-06-01 46.40 2006-07-01 48.75 2006-08-01 49.04 2006-09-01 49.28 2006-10-01 49.28 2006-11-01 49.08 2006-12-01 49.44 2007-01-01 51.63 2007-02-01 54.36 2007-03-01 54.41 2007-04-01 56.25 2007-05-01 56.45 2007-06-01 57.04 2007-07-01 59.96 2007-08-01 60.33 2007-09-01 60.37 2007-10-01 63.58 2007-11-01 63.92 2007-12-01 64.25 2008-01-01 66.45 2008-02-01 71.05 2008-03-01 71.21 2008-04-01 74.22 2008-05-01 76.17 2008-06-01 77.26 2008-07-01 78.36 2008-08-01 79.17 2008-09-01 80.25 2008-10-01 80.38 2008-11-01 80.59 2008-12-01 81.17 2009-01-01 89.69 2009-02-01 90.10 2009-03-01 90.50 2009-04-01 90.86 2009-05-01 90.94 2009-06-01 91.04 2009-07-01 91.13 2009-08-01 91.04 2009-09-01 90.82 2009-10-01 90.92 2009-11-01 90.81 2009-12-01 90.57 2010-01-01 88.69 2010-02-01 88.50 2010-03-01 88.54 2010-04-01 88.98 2010-05-01 88.37 2010-06-01 88.47 2010-07-01 88.48 2010-08-01 89.30 2010-09-01 89.54 2010-10-01 89.48 2010-11-01 89.52 2010-12-01 89.54 2011-01-01 90.00 2011-02-01 90.11 2011-03-01 90.26 2011-04-01 90.31 2011-05-01 90.36 2011-06-01 90.45 2011-07-01 90.68 2011-08-01 90.67 2011-09-01 90.95 2011-10-01 90.64 2011-11-01 90.20 2011-12-01 90.08 2012-01-01 90.82 2012-02-01 90.83 2012-03-01 90.95 2012-04-01 91.03 2012-05-01 91.07 2012-06-01 91.42 2012-07-01 90.79 2012-08-01 90.95 2012-09-01 90.97 2012-10-01 90.97 2012-11-01 90.95 2012-12-01 90.76 2013-01-01 92.38 2013-02-01 92.38 2013-03-01 92.38 2013-04-01 92.44 2013-05-01 93.54 2013-06-01 93.66 2013-07-01 93.69 2013-08-01 93.87 2013-09-01 93.91 2013-10-01 94.11 2013-11-01 94.11 2013-12-01 94.11 2014-01-01 96.43 2014-02-01 96.43 2014-03-01 96.44 2014-04-01 96.62 2014-05-01 96.82 2014-06-01 96.92 2014-07-01 99.17 2014-08-01 98.48 2014-09-01 98.68 2014-10-01 98.67 2014-11-01 98.33 2014-12-01 98.33 2015-01-01 99.94 2015-02-01 99.96 2015-03-01 99.96 2015-04-01 99.95 2015-05-01 99.96 2015-06-01 100.07 2015-07-01 100.07 2015-08-01 100.07 2015-09-01 100.07 2015-10-01 99.90 2015-11-01 100.07 2015-12-01 99.98 2016-01-01 100.43 2016-02-01 100.51 2016-03-01 100.35 2016-04-01 100.83 2016-05-01 101.45 2016-06-01 101.52 2016-07-01 108.39 2016-08-01 108.43 2016-09-01 108.82 2016-10-01 108.83 2016-11-01 108.60 2016-12-01 108.64 2017-01-01 109.13 2017-02-01 109.19 2017-03-01 109.38 2017-04-01 109.38 2017-05-01 109.38 2017-06-01 109.62 2017-07-01 109.62 2017-08-01 109.64 2017-09-01 109.64 2017-10-01 109.58 2017-11-01 109.56 2017-12-01 109.37 2018-01-01 112.75 2018-02-01 112.89 2018-03-01 112.93 2018-04-01 112.96 2018-05-01 112.92 2018-06-01 116.61 2018-07-01 116.64 2018-08-01 117.01 2018-09-01 117.18