Month Index 2015=100 1998-01-01 46.45 1998-02-01 47.01 1998-03-01 47.82 1998-04-01 48.29 1998-05-01 48.33 1998-06-01 49.10 1998-07-01 49.26 1998-08-01 49.36 1998-09-01 49.47 1998-10-01 49.67 1998-11-01 49.65 1998-12-01 49.68 1999-01-01 50.16 1999-02-01 50.54 1999-03-01 50.57 1999-04-01 50.58 1999-05-01 50.74 1999-06-01 50.87 1999-07-01 50.93 1999-08-01 50.94 1999-09-01 50.98 1999-10-01 50.97 1999-11-01 51.00 1999-12-01 51.02 2000-01-01 51.99 2000-02-01 52.06 2000-03-01 52.72 2000-04-01 52.89 2000-05-01 52.68 2000-06-01 52.76 2000-07-01 52.96 2000-08-01 53.13 2000-09-01 53.14 2000-10-01 54.98 2000-11-01 55.65 2000-12-01 55.72 2001-01-01 55.67 2001-02-01 56.12 2001-03-01 56.08 2001-04-01 56.15 2001-05-01 56.07 2001-06-01 56.18 2001-07-01 56.20 2001-08-01 56.78 2001-09-01 57.22 2001-10-01 56.93 2001-11-01 56.76 2001-12-01 56.50 2002-01-01 56.93 2002-02-01 57.03 2002-03-01 57.08 2002-04-01 57.51 2002-05-01 58.02 2002-06-01 57.89 2002-07-01 57.99 2002-08-01 57.96 2002-09-01 59.80 2002-10-01 60.15 2002-11-01 60.01 2002-12-01 60.28 2003-01-01 60.64 2003-02-01 60.82 2003-03-01 60.90 2003-04-01 60.50 2003-05-01 60.38 2003-06-01 60.41 2003-07-01 60.39 2003-08-01 60.49 2003-09-01 60.67 2003-10-01 60.67 2003-11-01 60.69 2003-12-01 60.70 2004-01-01 60.92 2004-02-01 61.20 2004-03-01 61.17 2004-04-01 61.42 2004-05-01 62.90 2004-06-01 62.93 2004-07-01 63.32 2004-08-01 63.65 2004-09-01 63.71 2004-10-01 63.99 2004-11-01 64.14 2004-12-01 64.05 2005-01-01 64.16 2005-02-01 64.34 2005-03-01 64.67 2005-04-01 64.77 2005-05-01 64.74 2005-06-01 64.75 2005-07-01 64.95 2005-08-01 65.17 2005-09-01 66.37 2005-10-01 66.44 2005-11-01 67.35 2005-12-01 67.56 2006-01-01 68.77 2006-02-01 70.07 2006-03-01 70.48 2006-04-01 70.23 2006-05-01 70.43 2006-06-01 70.48 2006-07-01 70.53 2006-08-01 70.88 2006-09-01 70.85 2006-10-01 70.73 2006-11-01 70.88 2006-12-01 71.05 2007-01-01 71.98 2007-02-01 72.55 2007-03-01 72.57 2007-04-01 72.62 2007-05-01 72.39 2007-06-01 72.18 2007-07-01 72.13 2007-08-01 72.18 2007-09-01 72.69 2007-10-01 72.81 2007-11-01 73.12 2007-12-01 73.80 2008-01-01 75.50 2008-02-01 75.98 2008-03-01 76.14 2008-04-01 76.10 2008-05-01 76.20 2008-06-01 76.37 2008-07-01 79.31 2008-08-01 78.74 2008-09-01 78.65 2008-10-01 78.78 2008-11-01 79.15 2008-12-01 79.02 2009-01-01 80.97 2009-02-01 81.51 2009-03-01 81.03 2009-04-01 80.87 2009-05-01 80.28 2009-06-01 80.37 2009-07-01 81.06 2009-08-01 81.30 2009-09-01 81.27 2009-10-01 81.41 2009-11-01 82.25 2009-12-01 82.56 2010-01-01 84.91 2010-02-01 85.10 2010-03-01 85.22 2010-04-01 85.46 2010-05-01 85.70 2010-06-01 85.98 2010-07-01 86.00 2010-08-01 86.05 2010-09-01 86.08 2010-10-01 86.16 2010-11-01 86.26 2010-12-01 86.46 2011-01-01 86.73 2011-02-01 86.98 2011-03-01 87.13 2011-04-01 87.51 2011-05-01 87.60 2011-06-01 87.68 2011-07-01 88.37 2011-08-01 88.59 2011-09-01 88.76 2011-10-01 88.74 2011-11-01 88.89 2011-12-01 88.99 2012-01-01 89.13 2012-02-01 89.60 2012-03-01 91.62 2012-04-01 91.79 2012-05-01 100.24 2012-06-01 99.77 2012-07-01 99.16 2012-08-01 99.76 2012-09-01 100.44 2012-10-01 100.35 2012-11-01 100.34 2012-12-01 100.74 2013-01-01 100.91 2013-02-01 100.81 2013-03-01 100.89 2013-04-01 100.76 2013-05-01 100.29 2013-06-01 100.50 2013-07-01 100.65 2013-08-01 100.77 2013-09-01 100.98 2013-10-01 98.84 2013-11-01 100.58 2013-12-01 100.88 2014-01-01 101.43 2014-02-01 101.18 2014-03-01 101.03 2014-04-01 101.78 2014-05-01 101.77 2014-06-01 101.74 2014-07-01 101.86 2014-08-01 101.81 2014-09-01 101.76 2014-10-01 102.02 2014-11-01 101.52 2014-12-01 101.33 2015-01-01 100.34 2015-02-01 100.49 2015-03-01 101.32 2015-04-01 99.93 2015-05-01 100.51 2015-06-01 100.10 2015-07-01 99.77 2015-08-01 99.29 2015-09-01 99.84 2015-10-01 99.80 2015-11-01 99.41 2015-12-01 99.21 2016-01-01 97.99 2016-02-01 97.76 2016-03-01 98.12 2016-04-01 96.28 2016-05-01 96.49 2016-06-01 97.10 2016-07-01 96.91 2016-08-01 96.56 2016-09-01 97.04 2016-10-01 97.21 2016-11-01 97.24 2016-12-01 97.62 2017-01-01 94.27 2017-02-01 94.32 2017-03-01 94.01 2017-04-01 93.80 2017-05-01 93.49 2017-06-01 93.28 2017-07-01 93.21 2017-08-01 93.58 2017-09-01 96.38 2017-10-01 96.70 2017-11-01 96.93 2017-12-01 97.11 2018-01-01 97.58 2018-02-01 97.29 2018-03-01 97.12 2018-04-01 97.47 2018-05-01 98.09 2018-06-01 98.50 2018-07-01 98.65 2018-08-01 98.59 2018-09-01 99.12 2018-10-01 99.56