Month Index 2015=100 1997-12-01 45.28 1998-01-01 49.00 1998-02-01 49.00 1998-03-01 49.00 1998-04-01 49.00 1998-05-01 49.00 1998-06-01 49.00 1998-07-01 49.00 1998-08-01 49.30 1998-09-01 49.60 1998-10-01 49.60 1998-11-01 49.60 1998-12-01 49.60 1999-01-01 52.20 1999-02-01 52.20 1999-03-01 52.20 1999-04-01 52.20 1999-05-01 52.20 1999-06-01 52.20 1999-07-01 52.20 1999-08-01 52.20 1999-09-01 52.20 1999-10-01 52.20 1999-11-01 52.20 1999-12-01 52.20 2000-01-01 66.98 2000-02-01 66.98 2000-03-01 71.52 2000-04-01 71.52 2000-05-01 71.52 2000-06-01 71.52 2000-07-01 71.52 2000-08-01 71.52 2000-09-01 71.52 2000-10-01 71.52 2000-11-01 71.52 2000-12-01 71.52 2001-01-01 58.81 2001-02-01 58.81 2001-03-01 58.40 2001-04-01 58.44 2001-05-01 58.44 2001-06-01 58.44 2001-07-01 58.44 2001-08-01 65.98 2001-09-01 66.04 2001-10-01 66.04 2001-11-01 66.04 2001-12-01 66.04 2002-01-01 66.59 2002-02-01 66.64 2002-03-01 68.77 2002-04-01 69.19 2002-05-01 69.19 2002-06-01 69.76 2002-07-01 70.96 2002-08-01 70.96 2002-09-01 70.96 2002-10-01 71.88 2002-11-01 72.11 2002-12-01 73.13 2003-01-01 74.92 2003-02-01 75.23 2003-03-01 75.73 2003-04-01 78.70 2003-05-01 78.72 2003-06-01 78.72 2003-07-01 78.72 2003-08-01 78.72 2003-09-01 78.72 2003-10-01 78.72 2003-11-01 78.72 2003-12-01 80.45 2004-01-01 82.70 2004-02-01 82.76 2004-03-01 85.35 2004-04-01 88.81 2004-05-01 90.46 2004-06-01 90.46 2004-07-01 90.46 2004-08-01 90.46 2004-09-01 90.46 2004-10-01 91.31 2004-11-01 91.31 2004-12-01 92.63 2005-01-01 93.95 2005-02-01 93.57 2005-03-01 93.95 2005-04-01 93.28 2005-05-01 94.43 2005-06-01 94.85 2005-07-01 94.87 2005-08-01 94.87 2005-09-01 94.87 2005-10-01 94.87 2005-11-01 94.87 2005-12-01 94.06 2006-01-01 94.09 2006-02-01 94.09 2006-03-01 94.49 2006-04-01 94.49 2006-05-01 95.36 2006-06-01 95.36 2006-07-01 95.36 2006-08-01 95.36 2006-09-01 95.36 2006-10-01 95.86 2006-11-01 95.86 2006-12-01 95.86 2007-01-01 95.86 2007-02-01 95.86 2007-03-01 101.39 2007-04-01 101.48 2007-05-01 102.73 2007-06-01 103.27 2007-07-01 104.27 2007-08-01 104.60 2007-09-01 104.91 2007-10-01 106.03 2007-11-01 109.62 2007-12-01 109.62 2008-01-01 111.21 2008-02-01 111.21 2008-03-01 111.21 2008-04-01 113.46 2008-05-01 113.46 2008-06-01 113.46 2008-07-01 118.46 2008-08-01 118.46 2008-09-01 112.82 2008-10-01 112.82 2008-11-01 112.82 2008-12-01 112.82 2009-01-01 114.11 2009-02-01 114.11 2009-03-01 114.11 2009-04-01 115.48 2009-05-01 115.48 2009-06-01 115.48 2009-07-01 114.19 2009-08-01 114.19 2009-09-01 110.87 2009-10-01 110.87 2009-11-01 110.87 2009-12-01 110.87 2010-01-01 108.21 2010-02-01 108.21 2010-03-01 108.21 2010-04-01 106.06 2010-05-01 106.06 2010-06-01 104.51 2010-07-01 102.50 2010-08-01 102.50 2010-09-01 102.48 2010-10-01 102.50 2010-11-01 102.83 2010-12-01 102.83 2011-01-01 102.83 2011-02-01 107.45 2011-03-01 103.28 2011-04-01 103.28 2011-05-01 101.76 2011-06-01 98.43 2011-07-01 98.43 2011-08-01 98.43 2011-09-01 98.43 2011-10-01 98.43 2011-11-01 99.85 2011-12-01 99.85 2012-01-01 99.85 2012-02-01 98.67 2012-03-01 98.67 2012-04-01 99.89 2012-05-01 97.38 2012-06-01 97.38 2012-07-01 95.83 2012-08-01 96.90 2012-09-01 96.90 2012-10-01 96.90 2012-11-01 96.90 2012-12-01 95.91 2013-01-01 96.78 2013-02-01 96.78 2013-03-01 97.88 2013-04-01 97.88 2013-05-01 97.88 2013-06-01 97.88 2013-07-01 98.70 2013-08-01 98.70 2013-09-01 98.70 2013-10-01 98.70 2013-11-01 98.70 2013-12-01 99.68 2014-01-01 99.68 2014-02-01 97.87 2014-03-01 98.24 2014-04-01 98.24 2014-05-01 98.24 2014-06-01 93.08 2014-07-01 93.08 2014-08-01 93.08 2014-09-01 93.08 2014-10-01 93.08 2014-11-01 98.36 2014-12-01 98.36 2015-01-01 98.52 2015-02-01 98.53 2015-03-01 98.52 2015-04-01 99.34 2015-05-01 99.28 2015-06-01 100.90 2015-07-01 100.90 2015-08-01 100.90 2015-09-01 100.90 2015-10-01 101.25 2015-11-01 100.34 2015-12-01 100.62 2016-01-01 102.75 2016-02-01 102.86 2016-03-01 103.47 2016-04-01 106.19 2016-05-01 108.29 2016-06-01 108.37 2016-07-01 107.74 2016-08-01 107.74 2016-09-01 108.18 2016-10-01 108.23 2016-11-01 108.52 2016-12-01 109.63 2017-01-01 110.20 2017-02-01 109.64 2017-03-01 109.25 2017-04-01 108.92 2017-05-01 109.63 2017-06-01 109.87 2017-07-01 112.45 2017-08-01 112.68 2017-09-01 113.34 2017-10-01 113.94 2017-11-01 116.33 2017-12-01 117.89 2018-01-01 117.89 2018-02-01 117.66 2018-03-01 118.90 2018-04-01 118.91 2018-05-01 118.75 2018-06-01 118.50 2018-07-01 117.47 2018-08-01 117.67 2018-09-01 116.81 2018-10-01 116.86