Month Index 2015=100 1996-01-01 82.21 1996-02-01 82.44 1996-03-01 82.87 1996-04-01 82.99 1996-05-01 83.01 1996-06-01 83.11 1996-07-01 83.16 1996-08-01 83.16 1996-09-01 83.16 1996-10-01 83.19 1996-11-01 82.94 1996-12-01 82.96 1997-01-01 82.81 1997-02-01 83.14 1997-03-01 83.61 1997-04-01 83.67 1997-05-01 83.69 1997-06-01 83.70 1997-07-01 83.51 1997-08-01 83.72 1997-09-01 83.76 1997-10-01 83.83 1997-11-01 83.56 1997-12-01 83.80 1998-01-01 83.45 1998-02-01 83.67 1998-03-01 84.00 1998-04-01 84.28 1998-05-01 84.33 1998-06-01 84.41 1998-07-01 84.20 1998-08-01 84.44 1998-09-01 84.53 1998-10-01 84.68 1998-11-01 84.28 1998-12-01 84.34 1999-01-01 83.95 1999-02-01 84.33 1999-03-01 84.58 1999-04-01 84.76 1999-05-01 84.91 1999-06-01 84.92 1999-07-01 84.54 1999-08-01 84.83 1999-09-01 84.74 1999-10-01 84.83 1999-11-01 84.43 1999-12-01 84.49 2000-01-01 84.20 2000-02-01 84.04 2000-03-01 84.87 2000-04-01 85.03 2000-05-01 85.10 2000-06-01 85.10 2000-07-01 84.89 2000-08-01 85.27 2000-09-01 85.50 2000-10-01 85.72 2000-11-01 85.36 2000-12-01 85.52 2001-01-01 85.22 2001-02-01 85.45 2001-03-01 86.21 2001-04-01 86.58 2001-05-01 86.75 2001-06-01 86.79 2001-07-01 86.54 2001-08-01 87.01 2001-09-01 87.17 2001-10-01 87.52 2001-11-01 87.10 2001-12-01 87.40 2002-01-01 86.95 2002-02-01 86.91 2002-03-01 87.60 2002-04-01 87.91 2002-05-01 88.04 2002-06-01 88.08 2002-07-01 87.80 2002-08-01 88.15 2002-09-01 88.30 2002-10-01 88.61 2002-11-01 88.21 2002-12-01 88.38 2003-01-01 87.78 2003-02-01 88.23 2003-03-01 88.67 2003-04-01 88.97 2003-05-01 89.05 2003-06-01 88.96 2003-07-01 89.09 2003-08-01 89.52 2003-09-01 89.78 2003-10-01 89.92 2003-11-01 89.40 2003-12-01 89.57 2004-01-01 88.90 2004-02-01 89.47 2004-03-01 89.61 2004-04-01 90.01 2004-05-01 89.99 2004-06-01 89.84 2004-07-01 90.29 2004-08-01 90.80 2004-09-01 90.93 2004-10-01 91.05 2004-11-01 90.73 2004-12-01 90.70 2005-01-01 90.34 2005-02-01 90.67 2005-03-01 90.70 2005-04-01 90.85 2005-05-01 90.95 2005-06-01 90.85 2005-07-01 90.66 2005-08-01 91.45 2005-09-01 91.53 2005-10-01 91.76 2005-11-01 91.63 2005-12-01 91.51 2006-01-01 91.22 2006-02-01 91.44 2006-03-01 91.68 2006-04-01 92.02 2006-05-01 92.13 2006-06-01 91.91 2006-07-01 91.64 2006-08-01 92.07 2006-09-01 92.08 2006-10-01 92.39 2006-11-01 92.26 2006-12-01 92.63 2007-01-01 92.33 2007-02-01 92.25 2007-03-01 92.61 2007-04-01 92.88 2007-05-01 93.02 2007-06-01 92.94 2007-07-01 92.54 2007-08-01 93.07 2007-09-01 93.26 2007-10-01 93.49 2007-11-01 93.61 2007-12-01 93.68 2008-01-01 93.33 2008-02-01 93.56 2008-03-01 94.20 2008-04-01 94.32 2008-05-01 94.44 2008-06-01 94.53 2008-07-01 93.90 2008-08-01 94.73 2008-09-01 95.02 2008-10-01 95.22 2008-11-01 95.26 2008-12-01 95.56 2009-01-01 94.90 2009-02-01 95.54 2009-03-01 96.08 2009-04-01 96.11 2009-05-01 96.15 2009-06-01 95.89 2009-07-01 95.22 2009-08-01 96.18 2009-09-01 96.24 2009-10-01 96.25 2009-11-01 96.34 2009-12-01 96.27 2010-01-01 95.37 2010-02-01 96.08 2010-03-01 96.23 2010-04-01 96.42 2010-05-01 96.59 2010-06-01 96.48 2010-07-01 95.35 2010-08-01 96.17 2010-09-01 96.34 2010-10-01 96.51 2010-11-01 96.29 2010-12-01 96.43 2011-01-01 95.72 2011-02-01 96.08 2011-03-01 96.81 2011-04-01 96.86 2011-05-01 97.29 2011-06-01 97.42 2011-07-01 96.07 2011-08-01 97.74 2011-09-01 97.98 2011-10-01 97.90 2011-11-01 98.20 2011-12-01 98.85 2012-01-01 97.89 2012-02-01 98.28 2012-03-01 98.92 2012-04-01 99.18 2012-05-01 99.22 2012-06-01 99.56 2012-07-01 98.25 2012-08-01 99.33 2012-09-01 99.28 2012-10-01 99.44 2012-11-01 99.49 2012-12-01 99.94 2013-01-01 99.25 2013-02-01 99.61 2013-03-01 100.27 2013-04-01 100.36 2013-05-01 100.59 2013-06-01 100.55 2013-07-01 99.17 2013-08-01 100.15 2013-09-01 100.37 2013-10-01 100.35 2013-11-01 100.63 2013-12-01 100.69 2014-01-01 99.44 2014-02-01 100.26 2014-03-01 100.54 2014-04-01 100.42 2014-05-01 100.49 2014-06-01 100.48 2014-07-01 98.94 2014-08-01 99.94 2014-09-01 99.93 2014-10-01 99.93 2014-11-01 99.97 2014-12-01 100.22 2015-01-01 98.97 2015-02-01 99.43 2015-03-01 100.12 2015-04-01 100.21 2015-05-01 100.55 2015-06-01 100.43 2015-07-01 98.82 2015-08-01 100.05 2015-09-01 100.24 2015-10-01 100.25 2015-11-01 100.24 2015-12-01 100.69 2016-01-01 99.28 2016-02-01 99.75 2016-03-01 100.43 2016-04-01 100.16 2016-05-01 100.42 2016-06-01 100.36 2016-07-01 98.87 2016-08-01 99.62 2016-09-01 99.92 2016-10-01 99.76 2016-11-01 99.91 2016-12-01 100.00 2017-01-01 98.86 2017-02-01 98.81 2017-03-01 99.96 2017-04-01 99.91 2017-05-01 99.99 2017-06-01 99.82 2017-07-01 98.86 2017-08-01 99.68 2017-09-01 100.08 2017-10-01 99.93 2017-11-01 99.93 2017-12-01 99.92 2018-01-01 99.31 2018-02-01 99.14 2018-03-01 100.29 2018-04-01 100.21 2018-05-01 100.03 2018-06-01 100.34 2018-07-01 98.86 2018-08-01 99.51 2018-09-01 100.10