Month Index 2015=100 1996-01-01 55.27 1996-02-01 56.01 1996-03-01 56.12 1996-04-01 56.18 1996-05-01 56.18 1996-06-01 56.46 1996-07-01 56.46 1996-08-01 56.46 1996-09-01 58.12 1996-10-01 58.40 1996-11-01 58.97 1996-12-01 59.77 1997-01-01 59.89 1997-02-01 59.89 1997-03-01 60.23 1997-04-01 60.23 1997-05-01 60.40 1997-06-01 60.63 1997-07-01 60.63 1997-08-01 60.63 1997-09-01 61.54 1997-10-01 61.94 1997-11-01 61.88 1997-12-01 62.22 1998-01-01 62.22 1998-02-01 62.97 1998-03-01 63.14 1998-04-01 64.05 1998-05-01 64.05 1998-06-01 64.91 1998-07-01 65.48 1998-08-01 66.56 1998-09-01 66.39 1998-10-01 66.50 1998-11-01 66.56 1998-12-01 66.56 1999-01-01 66.56 1999-02-01 70.95 1999-03-01 70.95 1999-04-01 70.95 1999-05-01 71.64 1999-06-01 71.64 1999-07-01 71.64 1999-08-01 71.64 1999-09-01 71.81 1999-10-01 71.81 1999-11-01 71.81 1999-12-01 72.55 2000-01-01 72.49 2000-02-01 72.55 2000-03-01 72.55 2000-04-01 72.55 2000-05-01 72.55 2000-06-01 72.83 2000-07-01 72.83 2000-08-01 72.83 2000-09-01 73.00 2000-10-01 73.06 2000-11-01 73.06 2000-12-01 73.92 2001-01-01 75.97 2001-02-01 77.62 2001-03-01 77.62 2001-04-01 77.63 2001-05-01 77.68 2001-06-01 77.74 2001-07-01 77.76 2001-08-01 77.76 2001-09-01 79.08 2001-10-01 79.13 2001-11-01 79.14 2001-12-01 79.16 2002-01-01 79.17 2002-02-01 79.56 2002-03-01 80.29 2002-04-01 80.32 2002-05-01 80.53 2002-06-01 80.56 2002-07-01 82.31 2002-08-01 82.35 2002-09-01 83.27 2002-10-01 83.49 2002-11-01 83.45 2002-12-01 83.41 2003-01-01 83.45 2003-02-01 83.52 2003-03-01 83.49 2003-04-01 83.65 2003-05-01 83.86 2003-06-01 83.96 2003-07-01 84.30 2003-08-01 84.78 2003-09-01 85.80 2003-10-01 85.94 2003-11-01 85.96 2003-12-01 86.02 2004-01-01 86.01 2004-02-01 86.02 2004-03-01 86.04 2004-04-01 86.19 2004-05-01 87.42 2004-06-01 87.41 2004-07-01 87.43 2004-08-01 87.43 2004-09-01 88.25 2004-10-01 88.26 2004-11-01 88.47 2004-12-01 88.49 2005-01-01 88.62 2005-02-01 88.63 2005-03-01 88.64 2005-04-01 88.90 2005-05-01 88.90 2005-06-01 89.36 2005-07-01 89.47 2005-08-01 89.53 2005-09-01 90.05 2005-10-01 90.37 2005-11-01 90.51 2005-12-01 90.58 2006-01-01 90.61 2006-02-01 90.50 2006-03-01 90.51 2006-04-01 90.65 2006-05-01 90.64 2006-06-01 90.72 2006-07-01 90.71 2006-08-01 90.66 2006-09-01 91.54 2006-10-01 91.63 2006-11-01 91.64 2006-12-01 91.67 2007-01-01 92.32 2007-02-01 92.81 2007-03-01 92.81 2007-04-01 92.82 2007-05-01 92.91 2007-06-01 92.92 2007-07-01 92.94 2007-08-01 92.95 2007-09-01 94.21 2007-10-01 94.73 2007-11-01 94.75 2007-12-01 94.77 2008-01-01 94.77 2008-02-01 97.92 2008-03-01 98.83 2008-04-01 98.85 2008-05-01 98.85 2008-06-01 98.90 2008-07-01 98.93 2008-08-01 98.97 2008-09-01 99.92 2008-10-01 99.96 2008-11-01 99.99 2008-12-01 100.00 2009-01-01 100.02 2009-02-01 100.01 2009-03-01 100.06 2009-04-01 100.09 2009-05-01 100.08 2009-06-01 99.95 2009-07-01 99.96 2009-08-01 99.99 2009-09-01 100.71 2009-10-01 100.77 2009-11-01 100.78 2009-12-01 100.79 2010-01-01 100.80 2010-02-01 100.82 2010-03-01 100.83 2010-04-01 100.87 2010-05-01 100.87 2010-06-01 100.90 2010-07-01 101.04 2010-08-01 101.15 2010-09-01 102.28 2010-10-01 102.35 2010-11-01 102.39 2010-12-01 102.39 2011-01-01 102.41 2011-02-01 102.44 2011-03-01 102.45 2011-04-01 102.45 2011-05-01 102.48 2011-06-01 102.52 2011-07-01 102.53 2011-08-01 102.55 2011-09-01 103.25 2011-10-01 103.27 2011-11-01 103.30 2011-12-01 103.38 2012-01-01 103.45 2012-02-01 103.44 2012-03-01 104.17 2012-04-01 104.18 2012-05-01 104.17 2012-06-01 104.18 2012-07-01 104.14 2012-08-01 104.15 2012-09-01 102.88 2012-10-01 102.75 2012-11-01 102.72 2012-12-01 102.72 2013-01-01 102.70 2013-02-01 102.65 2013-03-01 102.57 2013-04-01 102.57 2013-05-01 102.50 2013-06-01 102.51 2013-07-01 102.68 2013-08-01 102.67 2013-09-01 101.74 2013-10-01 101.62 2013-11-01 101.61 2013-12-01 101.65 2014-01-01 101.66 2014-02-01 101.61 2014-03-01 101.61 2014-04-01 101.64 2014-05-01 101.65 2014-06-01 101.61 2014-07-01 101.60 2014-08-01 101.58 2014-09-01 100.15 2014-10-01 100.50 2014-11-01 100.45 2014-12-01 100.45 2015-01-01 100.52 2015-02-01 100.58 2015-03-01 100.53 2015-04-01 100.41 2015-05-01 100.28 2015-06-01 100.29 2015-07-01 99.93 2015-08-01 99.92 2015-09-01 99.37 2015-10-01 99.41 2015-11-01 99.31 2015-12-01 99.45 2016-01-01 99.45 2016-02-01 99.60 2016-03-01 99.61 2016-04-01 99.66 2016-05-01 99.63 2016-06-01 99.74 2016-07-01 99.67 2016-08-01 99.64 2016-09-01 99.53 2016-10-01 99.53 2016-11-01 99.54 2016-12-01 99.54 2017-01-01 99.54 2017-02-01 99.53 2017-03-01 99.65 2017-04-01 99.65 2017-05-01 99.61 2017-06-01 99.65 2017-07-01 99.53 2017-08-01 99.53 2017-09-01 99.33 2017-10-01 99.27 2017-11-01 99.38 2017-12-01 99.46 2018-01-01 99.39 2018-02-01 99.50 2018-03-01 99.51 2018-04-01 99.46 2018-05-01 99.46 2018-06-01 99.45 2018-07-01 99.23 2018-08-01 99.39 2018-09-01 99.55 2018-10-01 99.59