Month Index 2015=100 1996-01-01 80.01 1996-02-01 80.35 1996-03-01 80.99 1996-04-01 81.02 1996-05-01 81.00 1996-06-01 81.03 1996-07-01 80.71 1996-08-01 80.79 1996-09-01 81.07 1996-10-01 81.36 1996-11-01 81.00 1996-12-01 81.09 1997-01-01 80.58 1997-02-01 81.08 1997-03-01 81.39 1997-04-01 81.34 1997-05-01 81.23 1997-06-01 81.16 1997-07-01 80.85 1997-08-01 81.22 1997-09-01 81.37 1997-10-01 81.22 1997-11-01 81.24 1997-12-01 81.37 1998-01-01 80.58 1998-02-01 81.20 1998-03-01 81.52 1998-04-01 81.64 1998-05-01 81.44 1998-06-01 81.48 1998-07-01 80.99 1998-08-01 81.38 1998-09-01 81.53 1998-10-01 81.49 1998-11-01 81.36 1998-12-01 81.40 1999-01-01 80.46 1999-02-01 80.95 1999-03-01 81.35 1999-04-01 81.50 1999-05-01 81.30 1999-06-01 81.35 1999-07-01 80.92 1999-08-01 81.38 1999-09-01 81.46 1999-10-01 81.33 1999-11-01 81.23 1999-12-01 81.47 2000-01-01 81.07 2000-02-01 81.05 2000-03-01 81.61 2000-04-01 81.41 2000-05-01 81.51 2000-06-01 81.69 2000-07-01 81.33 2000-08-01 81.79 2000-09-01 82.14 2000-10-01 82.01 2000-11-01 82.19 2000-12-01 82.22 2001-01-01 81.54 2001-02-01 81.64 2001-03-01 82.02 2001-04-01 82.27 2001-05-01 82.46 2001-06-01 82.52 2001-07-01 82.25 2001-08-01 82.61 2001-09-01 82.69 2001-10-01 82.70 2001-11-01 82.57 2001-12-01 82.74 2002-01-01 82.48 2002-02-01 82.65 2002-03-01 83.21 2002-04-01 83.49 2002-05-01 83.54 2002-06-01 83.52 2002-07-01 83.46 2002-08-01 83.80 2002-09-01 83.83 2002-10-01 83.90 2002-11-01 83.88 2002-12-01 84.09 2003-01-01 83.62 2003-02-01 84.41 2003-03-01 84.77 2003-04-01 84.64 2003-05-01 84.67 2003-06-01 84.66 2003-07-01 84.40 2003-08-01 84.74 2003-09-01 85.10 2003-10-01 85.29 2003-11-01 85.02 2003-12-01 85.25 2004-01-01 84.63 2004-02-01 85.38 2004-03-01 85.75 2004-04-01 85.96 2004-05-01 86.17 2004-06-01 86.17 2004-07-01 85.96 2004-08-01 86.64 2004-09-01 86.69 2004-10-01 86.86 2004-11-01 86.87 2004-12-01 87.09 2005-01-01 86.30 2005-02-01 86.95 2005-03-01 87.52 2005-04-01 87.68 2005-05-01 87.73 2005-06-01 87.83 2005-07-01 87.43 2005-08-01 88.15 2005-09-01 88.44 2005-10-01 88.34 2005-11-01 88.26 2005-12-01 88.50 2006-01-01 87.97 2006-02-01 88.31 2006-03-01 88.89 2006-04-01 89.33 2006-05-01 89.27 2006-06-01 89.67 2006-07-01 89.25 2006-08-01 89.88 2006-09-01 89.76 2006-10-01 89.77 2006-11-01 89.80 2006-12-01 90.21 2007-01-01 89.45 2007-02-01 89.81 2007-03-01 90.36 2007-04-01 90.73 2007-05-01 90.84 2007-06-01 90.89 2007-07-01 90.51 2007-08-01 91.15 2007-09-01 91.12 2007-10-01 91.30 2007-11-01 91.67 2007-12-01 92.04 2008-01-01 91.36 2008-02-01 91.64 2008-03-01 92.50 2008-04-01 92.74 2008-05-01 93.03 2008-06-01 93.26 2008-07-01 92.68 2008-08-01 93.33 2008-09-01 93.26 2008-10-01 93.39 2008-11-01 93.15 2008-12-01 93.21 2009-01-01 92.49 2009-02-01 92.98 2009-03-01 93.43 2009-04-01 93.49 2009-05-01 93.57 2009-06-01 93.64 2009-07-01 93.17 2009-08-01 94.16 2009-09-01 93.73 2009-10-01 93.83 2009-11-01 93.72 2009-12-01 94.23 2010-01-01 93.19 2010-02-01 94.15 2010-03-01 94.70 2010-04-01 94.91 2010-05-01 94.91 2010-06-01 95.02 2010-07-01 94.66 2010-08-01 95.37 2010-09-01 95.24 2010-10-01 95.42 2010-11-01 95.19 2010-12-01 95.72 2011-01-01 94.88 2011-02-01 95.43 2011-03-01 96.36 2011-04-01 96.79 2011-05-01 96.66 2011-06-01 96.74 2011-07-01 95.97 2011-08-01 96.94 2011-09-01 96.64 2011-10-01 96.83 2011-11-01 96.95 2011-12-01 97.61 2012-01-01 96.43 2012-02-01 96.91 2012-03-01 98.12 2012-04-01 98.29 2012-05-01 98.19 2012-06-01 98.40 2012-07-01 97.73 2012-08-01 98.71 2012-09-01 98.21 2012-10-01 98.11 2012-11-01 97.94 2012-12-01 98.64 2013-01-01 97.33 2013-02-01 97.58 2013-03-01 98.92 2013-04-01 98.70 2013-05-01 98.79 2013-06-01 98.97 2013-07-01 98.43 2013-08-01 99.41 2013-09-01 99.03 2013-10-01 99.02 2013-11-01 98.96 2013-12-01 99.52 2014-01-01 98.01 2014-02-01 99.03 2014-03-01 100.00 2014-04-01 99.96 2014-05-01 99.89 2014-06-01 99.86 2014-07-01 99.27 2014-08-01 100.45 2014-09-01 99.60 2014-10-01 99.61 2014-11-01 99.52 2014-12-01 100.00 2015-01-01 98.14 2015-02-01 99.07 2015-03-01 100.16 2015-04-01 100.28 2015-05-01 100.45 2015-06-01 100.46 2015-07-01 99.82 2015-08-01 100.85 2015-09-01 100.16 2015-10-01 100.15 2015-11-01 99.88 2015-12-01 100.57 2016-01-01 98.80