Month Index 2015=100 1997-12-01 48.08 1998-01-01 52.03 1998-02-01 52.03 1998-03-01 52.03 1998-04-01 52.03 1998-05-01 52.03 1998-06-01 52.03 1998-07-01 52.03 1998-08-01 52.35 1998-09-01 52.67 1998-10-01 52.67 1998-11-01 52.67 1998-12-01 52.67 1999-01-01 55.43 1999-02-01 55.43 1999-03-01 55.43 1999-04-01 55.43 1999-05-01 55.43 1999-06-01 55.43 1999-07-01 55.43 1999-08-01 55.43 1999-09-01 55.43 1999-10-01 55.43 1999-11-01 55.43 1999-12-01 55.43 2000-01-01 71.12 2000-02-01 71.12 2000-03-01 75.95 2000-04-01 75.95 2000-05-01 75.95 2000-06-01 75.95 2000-07-01 75.95 2000-08-01 75.95 2000-09-01 75.95 2000-10-01 75.95 2000-11-01 75.95 2000-12-01 75.95 2001-01-01 71.98 2001-02-01 70.97 2001-03-01 70.84 2001-04-01 70.86 2001-05-01 70.86 2001-06-01 70.86 2001-07-01 70.86 2001-08-01 73.21 2001-09-01 73.23 2001-10-01 73.23 2001-11-01 73.23 2001-12-01 73.23 2002-01-01 73.53 2002-02-01 73.56 2002-03-01 74.74 2002-04-01 74.97 2002-05-01 74.97 2002-06-01 75.29 2002-07-01 75.95 2002-08-01 75.95 2002-09-01 75.95 2002-10-01 76.51 2002-11-01 76.64 2002-12-01 77.21 2003-01-01 78.11 2003-02-01 78.27 2003-03-01 78.53 2003-04-01 79.98 2003-05-01 79.99 2003-06-01 79.99 2003-07-01 79.99 2003-08-01 79.99 2003-09-01 79.99 2003-10-01 79.99 2003-11-01 79.99 2003-12-01 80.87 2004-01-01 81.83 2004-02-01 81.85 2004-03-01 82.96 2004-04-01 84.44 2004-05-01 85.15 2004-06-01 85.15 2004-07-01 85.15 2004-08-01 85.15 2004-09-01 85.15 2004-10-01 85.51 2004-11-01 85.51 2004-12-01 86.08 2005-01-01 86.66 2005-02-01 86.49 2005-03-01 86.66 2005-04-01 86.36 2005-05-01 86.87 2005-06-01 87.06 2005-07-01 87.07 2005-08-01 87.07 2005-09-01 88.15 2005-10-01 88.15 2005-11-01 88.15 2005-12-01 87.80 2006-01-01 87.79 2006-02-01 87.79 2006-03-01 87.96 2006-04-01 87.96 2006-05-01 88.33 2006-06-01 88.33 2006-07-01 88.33 2006-08-01 88.33 2006-09-01 88.33 2006-10-01 88.55 2006-11-01 88.55 2006-12-01 88.55 2007-01-01 88.55 2007-02-01 88.55 2007-03-01 91.21 2007-04-01 91.26 2007-05-01 91.86 2007-06-01 92.12 2007-07-01 92.60 2007-08-01 92.76 2007-09-01 92.91 2007-10-01 93.45 2007-11-01 95.17 2007-12-01 97.36 2008-01-01 98.61 2008-02-01 98.61 2008-03-01 98.61 2008-04-01 99.74 2008-05-01 99.74 2008-06-01 99.74 2008-07-01 102.24 2008-08-01 102.24 2008-09-01 99.42 2008-10-01 99.42 2008-11-01 99.42 2008-12-01 99.42 2009-01-01 100.11 2009-02-01 100.11 2009-03-01 100.11 2009-04-01 100.84 2009-05-01 100.84 2009-06-01 100.84 2009-07-01 100.15 2009-08-01 100.15 2009-09-01 98.37 2009-10-01 98.37 2009-11-01 98.37 2009-12-01 98.37 2010-01-01 96.92 2010-02-01 96.92 2010-03-01 96.92 2010-04-01 96.09 2010-05-01 96.09 2010-06-01 95.24 2010-07-01 94.24 2010-08-01 95.37 2010-09-01 95.36 2010-10-01 95.37 2010-11-01 95.54 2010-12-01 95.54 2011-01-01 96.10 2011-02-01 99.22 2011-03-01 96.40 2011-04-01 97.04 2011-05-01 96.03 2011-06-01 93.78 2011-07-01 93.78 2011-08-01 93.78 2011-09-01 94.58 2011-10-01 94.62 2011-11-01 96.55 2011-12-01 96.55 2012-01-01 96.55 2012-02-01 95.57 2012-03-01 97.46 2012-04-01 97.63 2012-05-01 96.03 2012-06-01 95.85 2012-07-01 94.87 2012-08-01 95.55 2012-09-01 95.61 2012-10-01 95.59 2012-11-01 95.07 2012-12-01 94.44 2013-01-01 95.02 2013-02-01 95.07 2013-03-01 96.22 2013-04-01 96.21 2013-05-01 97.08 2013-06-01 97.08 2013-07-01 97.63 2013-08-01 97.87 2013-09-01 98.14 2013-10-01 98.14 2013-11-01 98.24 2013-12-01 98.86 2014-01-01 99.28 2014-02-01 98.09 2014-03-01 98.34 2014-04-01 98.17 2014-05-01 98.16 2014-06-01 94.67 2014-07-01 94.67 2014-08-01 94.68 2014-09-01 94.90 2014-10-01 94.92 2014-11-01 98.63 2014-12-01 98.65 2015-01-01 98.78 2015-02-01 98.78 2015-03-01 98.83 2015-04-01 99.52 2015-05-01 99.47 2015-06-01 100.72 2015-07-01 100.72 2015-08-01 100.72 2015-09-01 100.71 2015-10-01 100.98 2015-11-01 100.28 2015-12-01 100.50 2016-01-01 102.12 2016-02-01 102.21 2016-03-01 102.67 2016-04-01 104.74 2016-05-01 106.40 2016-06-01 105.77 2016-07-01 105.64 2016-08-01 105.64 2016-09-01 106.12 2016-10-01 106.15 2016-11-01 106.37 2016-12-01 107.22 2017-01-01 107.66 2017-02-01 107.23 2017-03-01 106.94 2017-04-01 106.68 2017-05-01 109.41 2017-06-01 109.90 2017-07-01 111.85 2017-08-01 112.04 2017-09-01 112.54 2017-10-01 113.00 2017-11-01 114.81 2017-12-01 115.98 2018-01-01 115.98 2018-02-01 115.81 2018-03-01 116.76 2018-04-01 116.63 2018-05-01 116.55 2018-06-01 116.58 2018-07-01 115.79 2018-08-01 115.96 2018-09-01 114.86 2018-10-01 113.89