Month Index 2015=100 1996-01-01 77.87 1996-02-01 78.21 1996-03-01 78.32 1996-04-01 78.37 1996-05-01 78.55 1996-06-01 78.61 1996-07-01 78.62 1996-08-01 78.72 1996-09-01 78.74 1996-10-01 78.79 1996-11-01 78.96 1996-12-01 79.01 1997-01-01 78.99 1997-02-01 79.24 1997-03-01 79.37 1997-04-01 79.44 1997-05-01 79.51 1997-06-01 79.52 1997-07-01 79.43 1997-08-01 79.56 1997-09-01 79.55 1997-10-01 79.67 1997-11-01 79.87 1997-12-01 79.96 1998-01-01 79.92 1998-02-01 80.09 1998-03-01 80.19 1998-04-01 80.45 1998-05-01 80.61 1998-06-01 80.67 1998-07-01 80.55 1998-08-01 80.65 1998-09-01 80.75 1998-10-01 80.87 1998-11-01 80.95 1998-12-01 80.99 1999-01-01 80.86 1999-02-01 81.18 1999-03-01 81.27 1999-04-01 81.35 1999-05-01 81.53 1999-06-01 81.57 1999-07-01 81.45 1999-08-01 81.60 1999-09-01 81.56 1999-10-01 81.64 1999-11-01 81.72 1999-12-01 81.79 2000-01-01 81.69 2000-02-01 81.82 2000-03-01 82.05 2000-04-01 82.13 2000-05-01 82.38 2000-06-01 82.44 2000-07-01 82.28 2000-08-01 82.45 2000-09-01 82.57 2000-10-01 82.70 2000-11-01 82.98 2000-12-01 83.04 2001-01-01 83.05 2001-02-01 83.36 2001-03-01 83.69 2001-04-01 83.84 2001-05-01 84.10 2001-06-01 84.17 2001-07-01 83.97 2001-08-01 84.11 2001-09-01 84.22 2001-10-01 84.44 2001-11-01 84.68 2001-12-01 84.88 2002-01-01 84.94 2002-02-01 85.09 2002-03-01 85.33 2002-04-01 85.49 2002-05-01 85.83 2002-06-01 85.87 2002-07-01 85.62 2002-08-01 85.72 2002-09-01 85.80 2002-10-01 85.92 2002-11-01 86.21 2002-12-01 86.27 2003-01-01 86.13 2003-02-01 86.36 2003-03-01 86.49 2003-04-01 86.65 2003-05-01 86.94 2003-06-01 86.97 2003-07-01 86.60 2003-08-01 86.71 2003-09-01 86.79 2003-10-01 86.93 2003-11-01 87.18 2003-12-01 87.26 2004-01-01 87.04 2004-02-01 87.18 2004-03-01 87.23 2004-04-01 87.41 2004-05-01 87.66 2004-06-01 87.91 2004-07-01 87.60 2004-08-01 87.88 2004-09-01 87.89 2004-10-01 87.96 2004-11-01 88.22 2004-12-01 88.24 2005-01-01 88.13 2005-02-01 88.36 2005-03-01 88.47 2005-04-01 88.66 2005-05-01 89.04 2005-06-01 89.08 2005-07-01 88.71 2005-08-01 88.78 2005-09-01 88.89 2005-10-01 88.95 2005-11-01 89.44 2005-12-01 89.45 2006-01-01 89.16 2006-02-01 89.31 2006-03-01 89.54 2006-04-01 89.80 2006-05-01 90.13 2006-06-01 89.97 2006-07-01 89.58 2006-08-01 89.69 2006-09-01 89.86 2006-10-01 90.04 2006-11-01 90.45 2006-12-01 90.56 2007-01-01 90.47 2007-02-01 90.65 2007-03-01 91.01 2007-04-01 91.35 2007-05-01 91.88 2007-06-01 91.88 2007-07-01 91.45 2007-08-01 91.53 2007-09-01 91.98 2007-10-01 92.21 2007-11-01 92.71 2007-12-01 92.78 2008-01-01 92.58 2008-02-01 92.85 2008-03-01 93.49 2008-04-01 93.75 2008-05-01 93.95 2008-06-01 94.05 2008-07-01 93.66 2008-08-01 93.97 2008-09-01 94.39 2008-10-01 94.70 2008-11-01 94.83 2008-12-01 94.92 2009-01-01 94.35 2009-02-01 94.69 2009-03-01 95.16 2009-04-01 95.43 2009-05-01 95.55 2009-06-01 95.62 2009-07-01 94.90 2009-08-01 95.37 2009-09-01 95.60 2009-10-01 95.62 2009-11-01 95.63 2009-12-01 95.75 2010-01-01 94.91 2010-02-01 95.08 2010-03-01 95.48 2010-04-01 95.79 2010-05-01 96.02 2010-06-01 96.03 2010-07-01 95.28 2010-08-01 95.83 2010-09-01 96.10 2010-10-01 96.35 2010-11-01 96.40 2010-12-01 96.61 2011-01-01 95.90 2011-02-01 96.04 2011-03-01 96.64 2011-04-01 96.98 2011-05-01 97.24 2011-06-01 97.27 2011-07-01 96.42 2011-08-01 96.96 2011-09-01 97.29 2011-10-01 97.45 2011-11-01 97.75 2011-12-01 97.96 2012-01-01 96.97 2012-02-01 97.08 2012-03-01 97.77 2012-04-01 98.22 2012-05-01 98.23 2012-06-01 98.34 2012-07-01 97.29 2012-08-01 97.74 2012-09-01 98.12 2012-10-01 98.35 2012-11-01 98.61 2012-12-01 98.74 2013-01-01 97.97 2013-02-01 98.07 2013-03-01 98.75 2013-04-01 98.96 2013-05-01 99.32 2013-06-01 99.34 2013-07-01 98.39 2013-08-01 98.58 2013-09-01 99.04 2013-10-01 99.31 2013-11-01 99.50 2013-12-01 99.47 2014-01-01 98.52 2014-02-01 98.98 2014-03-01 99.56 2014-04-01 99.78 2014-05-01 99.86 2014-06-01 99.94 2014-07-01 98.82 2014-08-01 98.85 2014-09-01 99.19 2014-10-01 99.37 2014-11-01 99.67 2014-12-01 99.84 2015-01-01 98.90 2015-02-01 99.11 2015-03-01 99.88 2015-04-01 100.15 2015-05-01 100.52 2015-06-01 100.48 2015-07-01 99.39 2015-08-01 99.81 2015-09-01 100.15 2015-10-01 100.29 2015-11-01 100.51 2015-12-01 100.81 2016-01-01 99.97 2016-02-01 100.29 2016-03-01 100.92 2016-04-01 101.01 2016-05-01 101.32 2016-06-01 101.30 2016-07-01 100.07 2016-08-01 100.42 2016-09-01 100.74 2016-10-01 100.91 2016-11-01 101.06 2016-12-01 101.14 2017-01-01 100.40 2017-02-01 100.38 2017-03-01 101.36 2017-04-01 101.40 2017-05-01 101.46 2017-06-01 101.44 2017-07-01 100.62 2017-08-01 100.63 2017-09-01 101.20 2017-10-01 101.29 2017-11-01 101.47 2017-12-01 101.72 2018-01-01 101.15 2018-02-01 101.06 2018-03-01 102.01 2018-04-01 102.08 2018-05-01 102.08 2018-06-01 102.26 2018-07-01 101.02 2018-08-01 101.17 2018-09-01 102.09 2018-10-01 102.37