Month Index 2015=100 1996-12-01 9.34 1997-01-01 13.74 1997-02-01 58.27 1997-03-01 55.22 1997-04-01 53.88 1997-05-01 51.20 1997-06-01 50.23 1997-07-01 52.02 1997-08-01 59.34 1997-09-01 62.44 1997-10-01 61.53 1997-11-01 61.96 1997-12-01 63.54 1998-01-01 65.10 1998-02-01 67.44 1998-03-01 68.65 1998-04-01 67.74 1998-05-01 64.64 1998-06-01 62.11 1998-07-01 60.93 1998-08-01 62.20 1998-09-01 62.98 1998-10-01 62.73 1998-11-01 63.50 1998-12-01 62.07 1999-01-01 60.09 1999-02-01 56.97 1999-03-01 52.32 1999-04-01 52.36 1999-05-01 49.48 1999-06-01 49.40 1999-07-01 50.17 1999-08-01 50.60 1999-09-01 49.96 1999-10-01 49.85 1999-11-01 49.31 1999-12-01 48.82 2000-01-01 49.43 2000-02-01 50.91 2000-03-01 51.13 2000-04-01 51.28 2000-05-01 51.43 2000-06-01 51.43 2000-07-01 51.90 2000-08-01 53.02 2000-09-01 54.63 2000-10-01 55.71 2000-11-01 56.82 2000-12-01 57.03 2001-01-01 56.93 2001-02-01 57.21 2001-03-01 57.84 2001-04-01 60.48 2001-05-01 61.42 2001-06-01 62.32 2001-07-01 62.57 2001-08-01 62.54 2001-09-01 63.09 2001-10-01 63.78 2001-11-01 64.61 2001-12-01 65.52 2002-01-01 66.29 2002-02-01 66.35 2002-03-01 66.44 2002-04-01 66.71 2002-05-01 66.16 2002-06-01 64.72 2002-07-01 63.03 2002-08-01 61.71 2002-09-01 60.74 2002-10-01 61.05 2002-11-01 61.44 2002-12-01 62.42 2003-01-01 62.09 2003-02-01 61.45 2003-03-01 61.20 2003-04-01 60.37 2003-05-01 59.65 2003-06-01 57.96 2003-07-01 57.43 2003-08-01 56.95 2003-09-01 58.13 2003-10-01 58.27 2003-11-01 57.61 2003-12-01 56.78 2004-01-01 55.51 2004-02-01 54.74 2004-03-01 54.12 2004-04-01 53.85 2004-05-01 53.65 2004-06-01 53.32 2004-07-01 53.61 2004-08-01 54.36 2004-09-01 55.51 2004-10-01 57.33 2004-11-01 60.95 2004-12-01 61.28 2005-01-01 60.34 2005-02-01 59.93 2005-03-01 59.81 2005-04-01 59.98 2005-05-01 59.99 2005-06-01 59.98 2005-07-01 60.66 2005-08-01 61.40 2005-09-01 61.62 2005-10-01 63.47 2005-11-01 65.78 2005-12-01 66.73 2006-01-01 67.09 2006-02-01 68.17 2006-03-01 68.71 2006-04-01 68.90 2006-05-01 69.05 2006-06-01 69.47 2006-07-01 69.33 2006-08-01 70.05 2006-09-01 70.30 2006-10-01 70.17 2006-11-01 70.34 2006-12-01 69.96 2007-01-01 69.98 2007-02-01 69.93 2007-03-01 69.83 2007-04-01 70.17 2007-05-01 70.17 2007-06-01 70.16 2007-07-01 70.61 2007-08-01 70.96 2007-09-01 71.36 2007-10-01 72.19 2007-11-01 72.65 2007-12-01 72.90 2008-01-01 73.26 2008-02-01 73.68 2008-03-01 74.00 2008-04-01 75.19 2008-05-01 76.25 2008-06-01 77.08 2008-07-01 78.03 2008-08-01 78.95 2008-09-01 80.28 2008-10-01 81.70 2008-11-01 83.44 2008-12-01 86.63 2009-01-01 88.02 2009-02-01 88.72 2009-03-01 89.64 2009-04-01 90.33 2009-05-01 90.06 2009-06-01 88.97 2009-07-01 88.11 2009-08-01 88.47 2009-09-01 87.95 2009-10-01 88.31 2009-11-01 88.17 2009-12-01 87.96 2010-01-01 87.02 2010-02-01 86.33 2010-03-01 87.00 2010-04-01 87.23 2010-05-01 86.59 2010-06-01 87.59 2010-07-01 87.39 2010-08-01 88.06 2010-09-01 88.40 2010-10-01 88.65 2010-11-01 88.61 2010-12-01 88.80 2011-01-01 88.57 2011-02-01 89.53 2011-03-01 91.52 2011-04-01 93.22 2011-05-01 94.25 2011-06-01 94.90 2011-07-01 95.70 2011-08-01 97.00 2011-09-01 97.59 2011-10-01 98.53 2011-11-01 99.62 2011-12-01 99.69 2012-01-01 100.23 2012-02-01 100.65 2012-03-01 101.01 2012-04-01 101.49 2012-05-01 101.10 2012-06-01 102.15 2012-07-01 102.16 2012-08-01 102.58 2012-09-01 102.11 2012-10-01 102.76 2012-11-01 102.47 2012-12-01 102.54 2013-01-01 102.57 2013-02-01 102.59 2013-03-01 101.76 2013-04-01 101.44 2013-05-01 101.00 2013-06-01 101.50 2013-07-01 101.97 2013-08-01 101.30 2013-09-01 101.52 2013-10-01 102.21 2013-11-01 101.06 2013-12-01 99.59 2014-01-01 99.70 2014-02-01 100.13 2014-03-01 99.63 2014-04-01 99.11 2014-05-01 100.47 2014-06-01 99.33 2014-07-01 99.87 2014-08-01 99.95 2014-09-01 100.25 2014-10-01 99.92 2014-11-01 99.84 2014-12-01 98.75 2015-01-01 99.99 2015-02-01 99.84 2015-03-01 98.95 2015-04-01 100.25 2015-05-01 99.33 2015-06-01 99.14 2015-07-01 100.74 2015-08-01 100.31 2015-09-01 100.66 2015-10-01 99.86 2015-11-01 100.46 2015-12-01 100.48 2016-01-01 99.98 2016-02-01 99.56 2016-03-01 99.96 2016-04-01 100.45 2016-05-01 100.31 2016-06-01 99.53 2016-07-01 100.54 2016-08-01 100.25 2016-09-01 100.85 2016-10-01 101.10 2016-11-01 101.58 2016-12-01 100.49 2017-01-01 101.21 2017-02-01 100.85 2017-03-01 101.46 2017-04-01 100.91 2017-05-01 99.85 2017-06-01 100.75 2017-07-01 100.03 2017-08-01 99.91 2017-09-01 101.08 2017-10-01 101.34 2017-11-01 99.92 2017-12-01 101.25 2018-01-01 101.00 2018-02-01 101.12 2018-03-01 99.43 2018-04-01 99.91 2018-05-01 100.19 2018-06-01 100.38 2018-07-01 100.38 2018-08-01 100.51 2018-09-01 100.46 2018-10-01 100.57