Month Index 2015=100 1996-01-01 77.06 1996-02-01 77.43 1996-03-01 77.54 1996-04-01 77.57 1996-05-01 77.79 1996-06-01 77.91 1996-07-01 77.69 1996-08-01 77.56 1996-09-01 77.99 1996-10-01 78.27 1996-11-01 77.91 1996-12-01 78.10 1997-01-01 77.34 1997-02-01 77.59 1997-03-01 77.93 1997-04-01 78.37 1997-05-01 78.45 1997-06-01 78.68 1997-07-01 78.26 1997-08-01 78.27 1997-09-01 78.59 1997-10-01 78.93 1997-11-01 78.91 1997-12-01 78.93 1998-01-01 78.12 1998-02-01 77.93 1998-03-01 78.42 1998-04-01 79.30 1998-05-01 79.32 1998-06-01 79.35 1998-07-01 78.69 1998-08-01 78.90 1998-09-01 79.79 1998-10-01 79.95 1998-11-01 79.66 1998-12-01 79.57 1999-01-01 78.81 1999-02-01 79.08 1999-03-01 79.71 1999-04-01 80.09 1999-05-01 80.12 1999-06-01 80.17 1999-07-01 79.62 1999-08-01 79.94 1999-09-01 80.61 1999-10-01 80.74 1999-11-01 80.74 1999-12-01 81.07 2000-01-01 80.22 2000-02-01 80.83 2000-03-01 81.45 2000-04-01 81.71 2000-05-01 81.98 2000-06-01 81.98 2000-07-01 81.18 2000-08-01 81.75 2000-09-01 83.00 2000-10-01 83.33 2000-11-01 83.18 2000-12-01 83.02 2001-01-01 82.17 2001-02-01 82.87 2001-03-01 83.40 2001-04-01 83.84 2001-05-01 84.16 2001-06-01 84.49 2001-07-01 83.49 2001-08-01 83.99 2001-09-01 85.05 2001-10-01 85.28 2001-11-01 85.13 2001-12-01 84.98 2002-01-01 84.53 2002-02-01 85.00 2002-03-01 85.63 2002-04-01 86.00 2002-05-01 86.13 2002-06-01 86.04 2002-07-01 85.27 2002-08-01 85.69 2002-09-01 86.33 2002-10-01 86.76 2002-11-01 86.33 2002-12-01 86.36 2003-01-01 85.37 2003-02-01 86.17 2003-03-01 86.75 2003-04-01 86.91 2003-05-01 87.01 2003-06-01 86.83 2003-07-01 85.88 2003-08-01 86.29 2003-09-01 86.90 2003-10-01 87.05 2003-11-01 86.81 2003-12-01 86.76 2004-01-01 85.49 2004-02-01 86.23 2004-03-01 86.83 2004-04-01 86.64 2004-05-01 86.55 2004-06-01 86.71 2004-07-01 85.92 2004-08-01 86.58 2004-09-01 87.22 2004-10-01 87.61 2004-11-01 87.14 2004-12-01 87.09 2005-01-01 85.82 2005-02-01 86.39 2005-03-01 86.93 2005-04-01 86.89 2005-05-01 86.77 2005-06-01 87.16 2005-07-01 86.20 2005-08-01 86.76 2005-09-01 87.33 2005-10-01 87.42 2005-11-01 87.32 2005-12-01 87.19 2006-01-01 85.91 2006-02-01 86.63 2006-03-01 87.28 2006-04-01 87.64 2006-05-01 87.42 2006-06-01 87.64 2006-07-01 86.59 2006-08-01 87.20 2006-09-01 87.86 2006-10-01 88.23 2006-11-01 88.06 2006-12-01 88.05 2007-01-01 87.13 2007-02-01 87.94 2007-03-01 88.85 2007-04-01 89.09 2007-05-01 88.75 2007-06-01 89.12 2007-07-01 88.26 2007-08-01 88.64 2007-09-01 89.17 2007-10-01 89.59 2007-11-01 89.29 2007-12-01 89.04 2008-01-01 88.23 2008-02-01 88.94 2008-03-01 90.13 2008-04-01 90.18 2008-05-01 90.20 2008-06-01 90.38 2008-07-01 89.43 2008-08-01 90.31 2008-09-01 90.93 2008-10-01 91.22 2008-11-01 90.76 2008-12-01 90.67 2009-01-01 89.65 2009-02-01 90.35 2009-03-01 91.04 2009-04-01 91.23 2009-05-01 91.11 2009-06-01 91.43 2009-07-01 90.42 2009-08-01 91.25 2009-09-01 92.00 2009-10-01 92.44 2009-11-01 92.01 2009-12-01 92.27 2010-01-01 91.83 2010-02-01 92.30 2010-03-01 92.94 2010-04-01 93.10 2010-05-01 93.16 2010-06-01 93.74 2010-07-01 93.12 2010-08-01 93.76 2010-09-01 94.19 2010-10-01 94.45 2010-11-01 94.48 2010-12-01 94.75 2011-01-01 94.61 2011-02-01 95.29 2011-03-01 95.93 2011-04-01 96.12 2011-05-01 95.83 2011-06-01 96.22 2011-07-01 95.84 2011-08-01 96.14 2011-09-01 96.55 2011-10-01 96.67 2011-11-01 96.62 2011-12-01 96.51 2012-01-01 95.93 2012-02-01 96.62 2012-03-01 97.19 2012-04-01 97.31 2012-05-01 97.40 2012-06-01 97.75 2012-07-01 97.14 2012-08-01 97.47 2012-09-01 97.96 2012-10-01 98.23 2012-11-01 98.08 2012-12-01 98.32 2013-01-01 97.36 2013-02-01 97.56 2013-03-01 98.18 2013-04-01 98.19 2013-05-01 98.31 2013-06-01 98.39 2013-07-01 97.93 2013-08-01 98.01 2013-09-01 98.68 2013-10-01 99.03 2013-11-01 98.88 2013-12-01 99.28 2014-01-01 98.37 2014-02-01 98.91 2014-03-01 99.62 2014-04-01 99.70 2014-05-01 99.37 2014-06-01 99.19 2014-07-01 98.55 2014-08-01 99.00 2014-09-01 100.07 2014-10-01 100.21 2014-11-01 100.06 2014-12-01 100.08 2015-01-01 98.83 2015-02-01 99.62 2015-03-01 99.98 2015-04-01 100.02 2015-05-01 99.90 2015-06-01 99.85 2015-07-01 99.52 2015-08-01 99.80 2015-09-01 100.44 2015-10-01 100.89 2015-11-01 100.59 2015-12-01 100.55 2016-01-01 99.85