Month Index 2015=100 1997-12-01 62.10 1998-01-01 62.10 1998-02-01 62.10 1998-03-01 62.10 1998-04-01 62.10 1998-05-01 62.10 1998-06-01 62.10 1998-07-01 62.10 1998-08-01 62.10 1998-09-01 62.10 1998-10-01 62.10 1998-11-01 62.10 1998-12-01 62.10 1999-01-01 62.10 1999-02-01 62.10 1999-03-01 62.10 1999-04-01 62.10 1999-05-01 62.10 1999-06-01 62.10 1999-07-01 62.10 1999-08-01 62.10 1999-09-01 62.10 1999-10-01 62.10 1999-11-01 62.10 1999-12-01 62.10 2000-01-01 62.10 2000-02-01 62.10 2000-03-01 62.10 2000-04-01 62.10 2000-05-01 62.10 2000-06-01 62.10 2000-07-01 63.29 2000-08-01 63.29 2000-09-01 63.29 2000-10-01 64.86 2000-11-01 64.86 2000-12-01 65.04 2001-01-01 65.04 2001-02-01 65.04 2001-03-01 65.04 2001-04-01 65.04 2001-05-01 65.66 2001-06-01 65.66 2001-07-01 65.66 2001-08-01 65.66 2001-09-01 65.66 2001-10-01 65.66 2001-11-01 65.66 2001-12-01 65.66 2002-01-01 65.66 2002-02-01 65.66 2002-03-01 65.66 2002-04-01 65.86 2002-05-01 65.86 2002-06-01 65.86 2002-07-01 67.68 2002-08-01 67.68 2002-09-01 68.70 2002-10-01 68.70 2002-11-01 68.96 2002-12-01 68.96 2003-01-01 70.19 2003-02-01 70.19 2003-03-01 70.78 2003-04-01 72.17 2003-05-01 72.17 2003-06-01 72.67 2003-07-01 72.86 2003-08-01 72.86 2003-09-01 72.86 2003-10-01 72.98 2003-11-01 72.98 2003-12-01 72.98 2004-01-01 72.98 2004-02-01 72.98 2004-03-01 73.77 2004-04-01 73.77 2004-05-01 73.90 2004-06-01 73.90 2004-07-01 73.90 2004-08-01 73.90 2004-09-01 73.90 2004-10-01 74.38 2004-11-01 74.38 2004-12-01 74.38 2005-01-01 74.38 2005-02-01 74.38 2005-03-01 75.47 2005-04-01 75.47 2005-05-01 75.47 2005-06-01 75.47 2005-07-01 75.47 2005-08-01 75.47 2005-09-01 75.47 2005-10-01 75.47 2005-11-01 75.47 2005-12-01 75.47 2006-01-01 75.47 2006-02-01 75.47 2006-03-01 75.46 2006-04-01 75.53 2006-05-01 75.49 2006-06-01 75.69 2006-07-01 76.38 2006-08-01 76.38 2006-09-01 76.38 2006-10-01 76.49 2006-11-01 76.81 2006-12-01 76.81 2007-01-01 77.05 2007-02-01 77.00 2007-03-01 77.03 2007-04-01 77.06 2007-05-01 77.28 2007-06-01 77.21 2007-07-01 77.22 2007-08-01 77.22 2007-09-01 77.66 2007-10-01 77.66 2007-11-01 77.66 2007-12-01 77.66 2008-01-01 79.09 2008-02-01 79.09 2008-03-01 79.16 2008-04-01 79.32 2008-05-01 79.36 2008-06-01 79.57 2008-07-01 80.15 2008-08-01 80.42 2008-09-01 80.64 2008-10-01 80.71 2008-11-01 80.81 2008-12-01 81.12 2009-01-01 81.12 2009-02-01 83.51 2009-03-01 85.13 2009-04-01 85.21 2009-05-01 85.21 2009-06-01 85.21 2009-07-01 85.23 2009-08-01 85.23 2009-09-01 85.25 2009-10-01 85.24 2009-11-01 85.61 2009-12-01 85.61 2010-01-01 86.22 2010-02-01 86.45 2010-03-01 86.48 2010-04-01 86.48 2010-05-01 86.88 2010-06-01 88.27 2010-07-01 88.10 2010-08-01 88.10 2010-09-01 88.32 2010-10-01 88.51 2010-11-01 88.95 2010-12-01 88.95 2011-01-01 89.23 2011-02-01 89.47 2011-03-01 90.26 2011-04-01 90.84 2011-05-01 91.80 2011-06-01 92.09 2011-07-01 92.20 2011-08-01 92.20 2011-09-01 92.34 2011-10-01 92.60 2011-11-01 92.61 2011-12-01 92.93 2012-01-01 92.45 2012-02-01 92.45 2012-03-01 95.08 2012-04-01 95.08 2012-05-01 95.08 2012-06-01 95.16 2012-07-01 95.27 2012-08-01 95.45 2012-09-01 95.49 2012-10-01 95.58 2012-11-01 95.57 2012-12-01 95.31 2013-01-01 96.35 2013-02-01 96.65 2013-03-01 96.69 2013-04-01 96.70 2013-05-01 96.70 2013-06-01 96.71 2013-07-01 97.17 2013-08-01 97.23 2013-09-01 97.32 2013-10-01 97.32 2013-11-01 97.37 2013-12-01 96.57 2014-01-01 97.34 2014-02-01 97.68 2014-03-01 98.70 2014-04-01 98.82 2014-05-01 99.00 2014-06-01 99.02 2014-07-01 99.44 2014-08-01 99.57 2014-09-01 99.50 2014-10-01 98.95 2014-11-01 98.83 2014-12-01 98.83 2015-01-01 99.42 2015-02-01 99.43 2015-03-01 99.43 2015-04-01 99.42 2015-05-01 99.20 2015-06-01 99.74 2015-07-01 100.63 2015-08-01 100.63 2015-09-01 100.32 2015-10-01 100.52 2015-11-01 100.66 2015-12-01 100.61 2016-01-01 99.93 2016-02-01 100.75 2016-03-01 101.04 2016-04-01 100.99 2016-05-01 100.99 2016-06-01 100.99 2016-07-01 101.10 2016-08-01 101.10 2016-09-01 101.10 2016-10-01 101.02 2016-11-01 101.14 2016-12-01 101.14 2017-01-01 100.86 2017-02-01 100.82 2017-03-01 100.48 2017-04-01 100.56 2017-05-01 100.60 2017-06-01 100.67 2017-07-01 100.22 2017-08-01 100.21 2017-09-01 100.21 2017-10-01 100.36 2017-11-01 100.32 2017-12-01 100.25 2018-01-01 101.31 2018-02-01 101.21 2018-03-01 101.21 2018-04-01 101.28 2018-05-01 101.64 2018-06-01 101.94 2018-07-01 102.72 2018-08-01 102.49 2018-09-01 101.55 2018-10-01 102.74