Month Index 2015=100 1996-12-01 7.34 1997-01-01 10.29 1997-02-01 10.29 1997-03-01 71.21 1997-04-01 71.21 1997-05-01 71.21 1997-06-01 71.21 1997-07-01 71.21 1997-08-01 71.21 1997-09-01 71.21 1997-10-01 71.21 1997-11-01 71.21 1997-12-01 71.21 1998-01-01 71.21 1998-02-01 71.21 1998-03-01 71.21 1998-04-01 71.21 1998-05-01 71.21 1998-06-01 71.21 1998-07-01 76.27 1998-08-01 76.27 1998-09-01 76.27 1998-10-01 76.27 1998-11-01 76.27 1998-12-01 76.27 1999-01-01 75.01 1999-02-01 75.01 1999-03-01 75.01 1999-04-01 78.96 1999-05-01 78.96 1999-06-01 78.96 1999-07-01 79.02 1999-08-01 79.02 1999-09-01 79.02 1999-10-01 79.02 1999-11-01 79.02 1999-12-01 79.02 2000-01-01 79.02 2000-02-01 79.02 2000-03-01 79.02 2000-04-01 79.02 2000-05-01 79.02 2000-06-01 79.02 2000-07-01 79.02 2000-08-01 79.02 2000-09-01 79.02 2000-10-01 79.02 2000-11-01 90.69 2000-12-01 87.62 2001-01-01 89.75 2001-02-01 90.78 2001-03-01 90.78 2001-04-01 87.81 2001-05-01 90.78 2001-06-01 90.78 2001-07-01 90.78 2001-08-01 90.78 2001-09-01 90.78 2001-10-01 102.69 2001-11-01 102.69 2001-12-01 99.54 2002-01-01 101.82 2002-02-01 102.24 2002-03-01 102.24 2002-04-01 102.24 2002-05-01 103.86 2002-06-01 103.86 2002-07-01 103.86 2002-08-01 103.86 2002-09-01 103.86 2002-10-01 103.86 2002-11-01 103.86 2002-12-01 100.50 2003-01-01 102.04 2003-02-01 102.19 2003-03-01 102.19 2003-04-01 102.19 2003-05-01 102.19 2003-06-01 102.19 2003-07-01 102.66 2003-08-01 102.66 2003-09-01 102.66 2003-10-01 102.66 2003-11-01 102.66 2003-12-01 102.32 2004-01-01 102.43 2004-02-01 102.49 2004-03-01 102.49 2004-04-01 102.49 2004-05-01 110.34 2004-06-01 110.34 2004-07-01 110.34 2004-08-01 110.34 2004-09-01 110.34 2004-10-01 110.34 2004-11-01 110.34 2004-12-01 110.13 2005-01-01 110.28 2005-02-01 110.33 2005-03-01 110.33 2005-04-01 116.05 2005-05-01 116.05 2005-06-01 116.05 2005-07-01 115.86 2005-08-01 116.05 2005-09-01 115.99 2005-10-01 116.05 2005-11-01 115.97 2005-12-01 115.54 2006-01-01 115.69 2006-02-01 115.80 2006-03-01 115.76 2006-04-01 115.80 2006-05-01 115.80 2006-06-01 115.80 2006-07-01 115.80 2006-08-01 115.75 2006-09-01 115.80 2006-10-01 115.80 2006-11-01 115.80 2006-12-01 115.72 2007-01-01 115.81 2007-02-01 116.49 2007-03-01 116.49 2007-04-01 116.49 2007-05-01 116.49 2007-06-01 116.36 2007-07-01 116.22 2007-08-01 116.49 2007-09-01 116.49 2007-10-01 116.49 2007-11-01 116.49 2007-12-01 115.89 2008-01-01 116.51 2008-02-01 116.37 2008-03-01 116.03 2008-04-01 115.93 2008-05-01 115.93 2008-06-01 115.90 2008-07-01 115.63 2008-08-01 115.61 2008-09-01 115.62 2008-10-01 115.62 2008-11-01 109.43 2008-12-01 109.29 2009-01-01 109.29 2009-02-01 109.29 2009-03-01 109.19 2009-04-01 109.17 2009-05-01 109.13 2009-06-01 109.13 2009-07-01 109.06 2009-08-01 109.10 2009-09-01 108.87 2009-10-01 108.88 2009-11-01 108.88 2009-12-01 108.88 2010-01-01 108.82 2010-02-01 108.82 2010-03-01 108.82 2010-04-01 108.82 2010-05-01 108.82 2010-06-01 108.82 2010-07-01 108.36 2010-08-01 108.19 2010-09-01 108.10 2010-10-01 108.01 2010-11-01 107.89 2010-12-01 107.71 2011-01-01 107.65 2011-02-01 107.65 2011-03-01 107.65 2011-04-01 107.62 2011-05-01 107.56 2011-06-01 107.56 2011-07-01 107.50 2011-08-01 107.50 2011-09-01 107.50 2011-10-01 107.50 2011-11-01 107.39 2011-12-01 107.11 2012-01-01 106.96 2012-02-01 106.96 2012-03-01 106.68 2012-04-01 106.67 2012-05-01 106.67 2012-06-01 106.83 2012-07-01 106.75 2012-08-01 106.75 2012-09-01 106.75 2012-10-01 106.55 2012-11-01 106.55 2012-12-01 106.75 2013-01-01 106.75 2013-02-01 106.89 2013-03-01 106.89 2013-04-01 107.06 2013-05-01 107.08 2013-06-01 106.70 2013-07-01 106.44 2013-08-01 106.35 2013-09-01 106.51 2013-10-01 107.16 2013-11-01 107.24 2013-12-01 107.01 2014-01-01 107.03 2014-02-01 106.95 2014-03-01 107.09 2014-04-01 106.74 2014-05-01 104.74 2014-06-01 104.69 2014-07-01 100.37 2014-08-01 100.38 2014-09-01 100.15 2014-10-01 100.20 2014-11-01 99.84 2014-12-01 99.80 2015-01-01 99.85 2015-02-01 99.95 2015-03-01 99.98 2015-04-01 100.44 2015-05-01 100.28 2015-06-01 100.19 2015-07-01 100.06 2015-08-01 100.04 2015-09-01 99.96 2015-10-01 100.03 2015-11-01 99.93 2015-12-01 99.29 2016-01-01 99.19 2016-02-01 99.13 2016-03-01 97.23 2016-04-01 97.17 2016-05-01 95.72 2016-06-01 95.82 2016-07-01 95.82 2016-08-01 95.66 2016-09-01 95.65 2016-10-01 95.94 2016-11-01 95.82 2016-12-01 94.74 2017-01-01 94.05 2017-02-01 93.99 2017-03-01 92.92 2017-04-01 94.45 2017-05-01 94.24 2017-06-01 94.44 2017-07-01 94.47 2017-08-01 94.47 2017-09-01 94.47 2017-10-01 94.25 2017-11-01 93.99 2017-12-01 94.38 2018-01-01 94.37 2018-02-01 96.67 2018-03-01 96.94 2018-04-01 96.72 2018-05-01 96.33 2018-06-01 96.53 2018-07-01 96.55 2018-08-01 96.86 2018-09-01 96.94 2018-10-01 97.01