Month Index 2015=100 1997-12-01 75.47 1998-01-01 75.47 1998-02-01 75.47 1998-03-01 75.47 1998-04-01 75.47 1998-05-01 75.47 1998-06-01 75.47 1998-07-01 75.47 1998-08-01 75.47 1998-09-01 75.47 1998-10-01 75.47 1998-11-01 75.47 1998-12-01 75.47 1999-01-01 75.47 1999-02-01 75.47 1999-03-01 75.47 1999-04-01 75.47 1999-05-01 75.47 1999-06-01 75.47 1999-07-01 75.47 1999-08-01 75.47 1999-09-01 75.47 1999-10-01 75.47 1999-11-01 75.47 1999-12-01 75.47 2000-01-01 75.47 2000-02-01 75.47 2000-03-01 75.47 2000-04-01 75.47 2000-05-01 75.47 2000-06-01 75.47 2000-07-01 75.82 2000-08-01 75.82 2000-09-01 76.52 2000-10-01 76.52 2000-11-01 76.52 2000-12-01 76.87 2001-01-01 76.87 2001-02-01 76.87 2001-03-01 76.87 2001-04-01 76.87 2001-05-01 76.87 2001-06-01 76.87 2001-07-01 76.87 2001-08-01 76.87 2001-09-01 77.22 2001-10-01 77.22 2001-11-01 77.22 2001-12-01 77.22 2002-01-01 77.22 2002-02-01 77.22 2002-03-01 77.22 2002-04-01 79.53 2002-05-01 79.53 2002-06-01 79.53 2002-07-01 80.30 2002-08-01 80.30 2002-09-01 80.30 2002-10-01 81.46 2002-11-01 79.14 2002-12-01 79.14 2003-01-01 79.53 2003-02-01 79.53 2003-03-01 79.53 2003-04-01 80.30 2003-05-01 80.30 2003-06-01 80.30 2003-07-01 80.30 2003-08-01 80.30 2003-09-01 80.30 2003-10-01 80.70 2003-11-01 80.70 2003-12-01 80.70 2004-01-01 82.30 2004-02-01 82.30 2004-03-01 82.30 2004-04-01 82.30 2004-05-01 82.30 2004-06-01 82.30 2004-07-01 82.30 2004-08-01 82.30 2004-09-01 82.30 2004-10-01 82.30 2004-11-01 82.30 2004-12-01 82.30 2005-01-01 82.30 2005-02-01 82.30 2005-03-01 82.30 2005-04-01 82.30 2005-05-01 82.30 2005-06-01 82.30 2005-07-01 82.30 2005-08-01 82.30 2005-09-01 82.30 2005-10-01 82.30 2005-11-01 82.30 2005-12-01 82.30 2006-01-01 82.30 2006-02-01 82.30 2006-03-01 82.30 2006-04-01 82.30 2006-05-01 82.30 2006-06-01 82.30 2006-07-01 82.30 2006-08-01 82.30 2006-09-01 82.30 2006-10-01 85.73 2006-11-01 85.73 2006-12-01 85.73 2007-01-01 85.65 2007-02-01 86.34 2007-03-01 86.34 2007-04-01 86.59 2007-05-01 86.86 2007-06-01 86.90 2007-07-01 86.91 2007-08-01 86.91 2007-09-01 87.77 2007-10-01 88.11 2007-11-01 88.76 2007-12-01 88.76 2008-01-01 89.75 2008-02-01 89.75 2008-03-01 89.78 2008-04-01 89.78 2008-05-01 89.79 2008-06-01 89.78 2008-07-01 89.96 2008-08-01 90.02 2008-09-01 90.02 2008-10-01 90.19 2008-11-01 90.19 2008-12-01 90.19 2009-01-01 90.55 2009-02-01 91.41 2009-03-01 91.52 2009-04-01 91.51 2009-05-01 91.16 2009-06-01 91.16 2009-07-01 91.25 2009-08-01 91.25 2009-09-01 92.18 2009-10-01 92.18 2009-11-01 94.59 2009-12-01 92.11 2010-01-01 91.97 2010-02-01 91.82 2010-03-01 91.85 2010-04-01 91.85 2010-05-01 91.87 2010-06-01 92.31 2010-07-01 92.31 2010-08-01 92.35 2010-09-01 92.61 2010-10-01 92.82 2010-11-01 92.82 2010-12-01 92.82 2011-01-01 92.38 2011-02-01 92.38 2011-03-01 92.38 2011-04-01 92.38 2011-05-01 92.38 2011-06-01 92.49 2011-07-01 92.45 2011-08-01 92.45 2011-09-01 92.45 2011-10-01 92.61 2011-11-01 92.80 2011-12-01 92.87 2012-01-01 92.87 2012-02-01 92.87 2012-03-01 93.48 2012-04-01 93.50 2012-05-01 93.76 2012-06-01 95.13 2012-07-01 95.13 2012-08-01 95.16 2012-09-01 95.16 2012-10-01 95.17 2012-11-01 95.17 2012-12-01 95.17 2013-01-01 96.06 2013-02-01 96.06 2013-03-01 96.06 2013-04-01 96.06 2013-05-01 96.06 2013-06-01 95.87 2013-07-01 95.87 2013-08-01 95.87 2013-09-01 95.87 2013-10-01 95.73 2013-11-01 95.74 2013-12-01 95.74 2014-01-01 95.16 2014-02-01 95.16 2014-03-01 95.23 2014-04-01 95.25 2014-05-01 95.25 2014-06-01 95.25 2014-07-01 95.27 2014-08-01 95.27 2014-09-01 95.27 2014-10-01 95.27 2014-11-01 95.05 2014-12-01 95.12 2015-01-01 95.27 2015-02-01 95.27 2015-03-01 95.27 2015-04-01 95.27 2015-05-01 95.30 2015-06-01 103.48 2015-07-01 103.46 2015-08-01 103.44 2015-09-01 103.24 2015-10-01 103.29 2015-11-01 103.35 2015-12-01 103.35 2016-01-01 103.35 2016-02-01 103.41 2016-03-01 103.45 2016-04-01 103.45 2016-05-01 103.45 2016-06-01 103.32 2016-07-01 103.32 2016-08-01 103.32 2016-09-01 103.37 2016-10-01 103.09 2016-11-01 103.09 2016-12-01 103.09 2017-01-01 103.39 2017-02-01 103.39 2017-03-01 103.39 2017-04-01 103.31 2017-05-01 104.82 2017-06-01 104.82 2017-07-01 104.93 2017-08-01 104.93 2017-09-01 105.28 2017-10-01 105.27 2017-11-01 104.92 2017-12-01 104.92 2018-01-01 105.55 2018-02-01 105.55 2018-03-01 105.43 2018-04-01 104.41 2018-05-01 104.61 2018-06-01 104.57 2018-07-01 104.44 2018-08-01 104.44 2018-09-01 104.44 2018-10-01 104.65