Month Index 2015=100 1996-12-01 7.05 1997-01-01 12.36 1997-02-01 37.96 1997-03-01 28.80 1997-04-01 27.41 1997-05-01 27.20 1997-06-01 28.50 1997-07-01 29.44 1997-08-01 30.65 1997-09-01 30.79 1997-10-01 20.27 1997-11-01 32.05 1997-12-01 32.61 1998-01-01 33.26 1998-02-01 33.66 1998-03-01 33.91 1998-04-01 34.16 1998-05-01 34.28 1998-06-01 34.30 1998-07-01 34.42 1998-08-01 34.69 1998-09-01 34.40 1998-10-01 34.49 1998-11-01 33.95 1998-12-01 33.87 1999-01-01 34.06 1999-02-01 34.45 1999-03-01 34.78 1999-04-01 35.01 1999-05-01 35.17 1999-06-01 34.28 1999-07-01 34.34 1999-08-01 34.34 1999-09-01 34.35 1999-10-01 34.43 1999-11-01 34.51 1999-12-01 34.67 2000-01-01 34.59 2000-02-01 34.94 2000-03-01 35.07 2000-04-01 35.29 2000-05-01 35.69 2000-06-01 35.83 2000-07-01 35.94 2000-08-01 35.96 2000-09-01 36.67 2000-10-01 37.06 2000-11-01 37.48 2000-12-01 37.61 2001-01-01 37.57 2001-02-01 37.63 2001-03-01 37.62 2001-04-01 37.66 2001-05-01 37.54 2001-06-01 37.58 2001-07-01 37.59 2001-08-01 37.62 2001-09-01 37.66 2001-10-01 37.77 2001-11-01 37.68 2001-12-01 37.78 2002-01-01 37.92 2002-02-01 37.86 2002-03-01 37.96 2002-04-01 37.93 2002-05-01 37.90 2002-06-01 37.95 2002-07-01 37.92 2002-08-01 37.98 2002-09-01 38.01 2002-10-01 38.02 2002-11-01 38.02 2002-12-01 37.97 2003-01-01 38.13 2003-02-01 38.15 2003-03-01 38.15 2003-04-01 38.13 2003-05-01 38.18 2003-06-01 38.11 2003-07-01 38.11 2003-08-01 38.04 2003-09-01 37.95 2003-10-01 37.96 2003-11-01 37.94 2003-12-01 38.00 2004-01-01 38.01 2004-02-01 38.06 2004-03-01 38.07 2004-04-01 38.01 2004-05-01 38.03 2004-06-01 38.01 2004-07-01 37.96 2004-08-01 37.98 2004-09-01 37.86 2004-10-01 37.86 2004-11-01 37.81 2004-12-01 37.92 2005-01-01 38.00 2005-02-01 37.98 2005-03-01 37.97 2005-04-01 37.97 2005-05-01 38.03 2005-06-01 37.99 2005-07-01 38.36 2005-08-01 38.62 2005-09-01 38.83 2005-10-01 39.74 2005-11-01 40.06 2005-12-01 41.85 2006-01-01 43.73 2006-02-01 44.55 2006-03-01 44.91 2006-04-01 46.40 2006-05-01 49.87 2006-06-01 49.90 2006-07-01 50.75 2006-08-01 50.93 2006-09-01 51.20 2006-10-01 51.43 2006-11-01 51.35 2006-12-01 51.30 2007-01-01 51.37 2007-02-01 51.67 2007-03-01 51.82 2007-04-01 51.97 2007-05-01 52.06 2007-06-01 52.06 2007-07-01 52.38 2007-08-01 52.42 2007-09-01 52.69 2007-10-01 53.41 2007-11-01 54.46 2007-12-01 54.97 2008-01-01 58.18 2008-02-01 60.42 2008-03-01 61.61 2008-04-01 61.73 2008-05-01 61.79 2008-06-01 61.82 2008-07-01 61.90 2008-08-01 61.99 2008-09-01 62.29 2008-10-01 62.74 2008-11-01 62.75 2008-12-01 62.61 2009-01-01 62.82 2009-02-01 64.52 2009-03-01 65.74 2009-04-01 65.01 2009-05-01 64.95 2009-06-01 65.24 2009-07-01 64.50 2009-08-01 64.34 2009-09-01 64.62 2009-10-01 64.80 2009-11-01 65.31 2009-12-01 66.82 2010-01-01 67.02 2010-02-01 67.26 2010-03-01 67.87 2010-04-01 68.20 2010-05-01 73.42 2010-06-01 77.76 2010-07-01 79.19 2010-08-01 79.27 2010-09-01 79.56 2010-10-01 80.08 2010-11-01 80.85 2010-12-01 81.51 2011-01-01 83.27 2011-02-01 83.35 2011-03-01 83.53 2011-04-01 84.19 2011-05-01 84.82 2011-06-01 84.99 2011-07-01 86.39 2011-08-01 95.58 2011-09-01 102.80 2011-10-01 102.12 2011-11-01 102.41 2011-12-01 102.00 2012-01-01 102.07 2012-02-01 102.47 2012-03-01 102.50 2012-04-01 102.46 2012-05-01 102.30 2012-06-01 102.40 2012-07-01 102.77 2012-08-01 103.01 2012-09-01 103.72 2012-10-01 105.36 2012-11-01 105.56 2012-12-01 105.57 2013-01-01 105.25 2013-02-01 104.85 2013-03-01 104.45 2013-04-01 103.94 2013-05-01 102.68 2013-06-01 102.40 2013-07-01 101.12 2013-08-01 101.11 2013-09-01 101.18 2013-10-01 100.63 2013-11-01 100.35 2013-12-01 99.73 2014-01-01 99.07 2014-02-01 99.05 2014-03-01 98.77 2014-04-01 98.29 2014-05-01 98.24 2014-06-01 98.18 2014-07-01 98.12 2014-08-01 98.14 2014-09-01 97.77 2014-10-01 97.86 2014-11-01 97.33 2014-12-01 97.40 2015-01-01 98.13 2015-02-01 99.74 2015-03-01 99.83 2015-04-01 100.37 2015-05-01 100.44 2015-06-01 100.32 2015-07-01 100.25 2015-08-01 100.09 2015-09-01 100.30 2015-10-01 100.26 2015-11-01 100.37 2015-12-01 99.91 2016-01-01 99.73 2016-02-01 100.13 2016-03-01 100.99 2016-04-01 100.97 2016-05-01 101.14 2016-06-01 101.07 2016-07-01 102.45 2016-08-01 103.44 2016-09-01 103.25 2016-10-01 103.53 2016-11-01 103.75 2016-12-01 103.46 2017-01-01 103.56 2017-02-01 103.82 2017-03-01 104.00 2017-04-01 104.01 2017-05-01 104.28 2017-06-01 104.02 2017-07-01 103.87 2017-08-01 103.73 2017-09-01 103.71 2017-10-01 103.62 2017-11-01 103.72 2017-12-01 103.84 2018-01-01 103.41 2018-02-01 103.41 2018-03-01 103.33 2018-04-01 103.55 2018-05-01 103.70 2018-06-01 103.73 2018-07-01 103.77 2018-08-01 103.81 2018-09-01 103.62 2018-10-01 103.46