Month Index 2015=100 1996-01-01 80.62 1996-02-01 80.62 1996-03-01 80.62 1996-04-01 80.62 1996-05-01 82.54 1996-06-01 82.57 1996-07-01 82.57 1996-08-01 82.35 1996-09-01 82.32 1996-10-01 82.32 1996-11-01 82.40 1996-12-01 82.44 1997-01-01 83.04 1997-02-01 83.02 1997-03-01 83.03 1997-04-01 83.05 1997-05-01 83.19 1997-06-01 83.08 1997-07-01 83.07 1997-08-01 82.96 1997-09-01 83.19 1997-10-01 83.12 1997-11-01 83.11 1997-12-01 83.14 1998-01-01 84.60 1998-02-01 84.63 1998-03-01 84.44 1998-04-01 84.42 1998-05-01 84.99 1998-06-01 85.04 1998-07-01 84.92 1998-08-01 84.93 1998-09-01 85.25 1998-10-01 85.22 1998-11-01 85.02 1998-12-01 85.10 1999-01-01 86.49 1999-02-01 86.46 1999-03-01 86.43 1999-04-01 86.45 1999-05-01 87.16 1999-06-01 87.18 1999-07-01 87.18 1999-08-01 87.16 1999-09-01 87.71 1999-10-01 87.68 1999-11-01 87.70 1999-12-01 87.76 2000-01-01 89.35 2000-02-01 89.34 2000-03-01 89.29 2000-04-01 89.29 2000-05-01 89.58 2000-06-01 89.61 2000-07-01 89.54 2000-08-01 89.52 2000-09-01 89.72 2000-10-01 89.73 2000-11-01 89.73 2000-12-01 89.72 2001-01-01 89.59 2001-02-01 89.56 2001-03-01 89.60 2001-04-01 89.53 2001-05-01 89.77 2001-06-01 89.74 2001-07-01 89.75 2001-08-01 89.70 2001-09-01 90.43 2001-10-01 90.49 2001-11-01 90.40 2001-12-01 83.98 2002-01-01 85.57 2002-02-01 85.60 2002-03-01 85.55 2002-04-01 85.52 2002-05-01 86.22 2002-06-01 86.25 2002-07-01 86.29 2002-08-01 86.29 2002-09-01 86.68 2002-10-01 86.70 2002-11-01 86.63 2002-12-01 86.53 2003-01-01 86.67 2003-02-01 86.66 2003-03-01 86.65 2003-04-01 86.74 2003-05-01 87.17 2003-06-01 87.14 2003-07-01 87.18 2003-08-01 87.17 2003-09-01 87.10 2003-10-01 87.06 2003-11-01 87.08 2003-12-01 87.22 2004-01-01 87.24 2004-02-01 87.17 2004-03-01 87.17 2004-04-01 87.17 2004-05-01 89.20 2004-06-01 89.19 2004-07-01 89.19 2004-08-01 89.19 2004-09-01 89.20 2004-10-01 89.16 2004-11-01 89.17 2004-12-01 89.14 2005-01-01 89.13 2005-02-01 89.11 2005-03-01 89.00 2005-04-01 88.88 2005-05-01 88.87 2005-06-01 88.90 2005-07-01 88.93 2005-08-01 88.94 2005-09-01 88.97 2005-10-01 89.07 2005-11-01 89.06 2005-12-01 88.97 2006-01-01 88.91 2006-02-01 88.88 2006-03-01 88.84 2006-04-01 89.13 2006-05-01 89.31 2006-06-01 89.30 2006-07-01 89.32 2006-08-01 88.04 2006-09-01 88.06 2006-10-01 87.89 2006-11-01 87.88 2006-12-01 87.96 2007-01-01 87.91 2007-02-01 87.91 2007-03-01 87.90 2007-04-01 88.56 2007-05-01 88.62 2007-06-01 88.62 2007-07-01 88.71 2007-08-01 88.74 2007-09-01 88.82 2007-10-01 89.16 2007-11-01 89.17 2007-12-01 89.19 2008-01-01 88.90 2008-02-01 88.91 2008-03-01 88.95 2008-04-01 89.81 2008-05-01 89.83 2008-06-01 89.82 2008-07-01 89.82 2008-08-01 89.88 2008-09-01 89.90 2008-10-01 90.16 2008-11-01 90.34 2008-12-01 90.43 2009-01-01 90.16 2009-02-01 90.17 2009-03-01 90.16 2009-04-01 91.49 2009-05-01 91.67 2009-06-01 91.71 2009-07-01 91.73 2009-08-01 91.75 2009-09-01 91.76 2009-10-01 92.82 2009-11-01 92.82 2009-12-01 92.83 2010-01-01 92.29 2010-02-01 92.62 2010-03-01 92.73 2010-04-01 92.75 2010-05-01 92.73 2010-06-01 92.81 2010-07-01 92.83 2010-08-01 92.82 2010-09-01 92.83 2010-10-01 92.73 2010-11-01 92.86 2010-12-01 92.98 2011-01-01 93.07 2011-02-01 93.07 2011-03-01 92.98 2011-04-01 93.04 2011-05-01 93.08 2011-06-01 93.08 2011-07-01 93.09 2011-08-01 93.10 2011-09-01 93.12 2011-10-01 93.24 2011-11-01 93.23 2011-12-01 93.20 2012-01-01 93.47 2012-02-01 93.65 2012-03-01 93.68 2012-04-01 93.59 2012-05-01 93.57 2012-06-01 93.57 2012-07-01 93.59 2012-08-01 93.60 2012-09-01 93.60 2012-10-01 93.96 2012-11-01 93.99 2012-12-01 94.03 2013-01-01 94.66 2013-02-01 94.61 2013-03-01 94.66 2013-04-01 94.49 2013-05-01 94.52 2013-06-01 94.29 2013-07-01 94.51 2013-08-01 94.48 2013-09-01 94.50 2013-10-01 94.54 2013-11-01 94.52 2013-12-01 94.51 2014-01-01 97.56 2014-02-01 96.88 2014-03-01 96.28 2014-04-01 96.25 2014-05-01 96.28 2014-06-01 96.07 2014-07-01 96.30 2014-08-01 96.31 2014-09-01 96.66 2014-10-01 96.69 2014-11-01 96.70 2014-12-01 96.60 2015-01-01 101.63 2015-02-01 99.53 2015-03-01 99.70 2015-04-01 99.70 2015-05-01 99.73 2015-06-01 99.55 2015-07-01 99.70 2015-08-01 99.72 2015-09-01 100.20 2015-10-01 100.20 2015-11-01 100.20 2015-12-01 100.15 2016-01-01 100.12 2016-02-01 100.12 2016-03-01 100.61 2016-04-01 100.62 2016-05-01 100.63 2016-06-01 100.46 2016-07-01 100.63 2016-08-01 100.66 2016-09-01 100.93 2016-10-01 100.92 2016-11-01 100.93 2016-12-01 100.85 2017-01-01 102.42 2017-02-01 102.42 2017-03-01 103.48 2017-04-01 103.44 2017-05-01 103.47 2017-06-01 103.28 2017-07-01 103.50 2017-08-01 103.42 2017-09-01 103.76 2017-10-01 103.84 2017-11-01 103.83 2017-12-01 103.76 2018-01-01 104.04 2018-02-01 104.07 2018-03-01 105.34 2018-04-01 105.36 2018-05-01 105.35 2018-06-01 105.09 2018-07-01 105.14 2018-08-01 105.09 2018-09-01 106.25 2018-10-01 106.97