Month Index 2015=100 1996-12-01 2.94 1997-01-01 3.56 1997-02-01 6.92 1997-03-01 8.76 1997-04-01 9.68 1997-05-01 14.82 1997-06-01 16.38 1997-07-01 17.07 1997-08-01 17.94 1997-09-01 19.08 1997-10-01 20.01 1997-11-01 21.81 1997-12-01 23.40 1998-01-01 26.68 1998-02-01 29.97 1998-03-01 34.72 1998-04-01 35.96 1998-05-01 37.70 1998-06-01 38.18 1998-07-01 39.00 1998-08-01 39.87 1998-09-01 40.65 1998-10-01 43.02 1998-11-01 44.88 1998-12-01 45.71 1999-01-01 47.25 1999-02-01 47.71 1999-03-01 48.24 1999-04-01 48.35 1999-05-01 49.20 1999-06-01 49.40 1999-07-01 51.39 1999-08-01 51.61 1999-09-01 51.87 1999-10-01 52.13 1999-11-01 52.76 1999-12-01 53.20 2000-01-01 53.44 2000-02-01 54.50 2000-03-01 54.68 2000-04-01 54.47 2000-05-01 54.82 2000-06-01 54.88 2000-07-01 54.39 2000-08-01 54.31 2000-09-01 54.68 2000-10-01 54.68 2000-11-01 55.16 2000-12-01 55.35 2001-01-01 55.37 2001-02-01 56.39 2001-03-01 56.45 2001-04-01 56.72 2001-05-01 56.98 2001-06-01 57.18 2001-07-01 57.18 2001-08-01 57.32 2001-09-01 57.90 2001-10-01 57.87 2001-11-01 57.78 2001-12-01 57.88 2002-01-01 59.95 2002-02-01 60.27 2002-03-01 60.59 2002-04-01 61.10 2002-05-01 61.33 2002-06-01 61.33 2002-07-01 62.15 2002-08-01 62.15 2002-09-01 62.24 2002-10-01 62.06 2002-11-01 61.90 2002-12-01 61.90 2003-01-01 61.60 2003-02-01 61.97 2003-03-01 61.96 2003-04-01 61.96 2003-05-01 62.07 2003-06-01 61.88 2003-07-01 61.82 2003-08-01 61.82 2003-09-01 61.82 2003-10-01 61.82 2003-11-01 61.95 2003-12-01 62.02 2004-01-01 61.85 2004-02-01 61.85 2004-03-01 61.94 2004-04-01 61.83 2004-05-01 62.14 2004-06-01 62.14 2004-07-01 62.21 2004-08-01 62.21 2004-09-01 62.40 2004-10-01 62.40 2004-11-01 62.40 2004-12-01 62.81 2005-01-01 63.00 2005-02-01 63.04 2005-03-01 63.18 2005-04-01 63.41 2005-05-01 63.47 2005-06-01 63.27 2005-07-01 63.19 2005-08-01 63.19 2005-09-01 63.91 2005-10-01 64.20 2005-11-01 64.27 2005-12-01 64.79 2006-01-01 65.14 2006-02-01 65.42 2006-03-01 65.90 2006-04-01 66.43 2006-05-01 66.72 2006-06-01 67.01 2006-07-01 66.93 2006-08-01 67.22 2006-09-01 67.97 2006-10-01 68.13 2006-11-01 68.13 2006-12-01 68.35 2007-01-01 69.27 2007-02-01 70.49 2007-03-01 70.69 2007-04-01 71.44 2007-05-01 71.53 2007-06-01 72.12 2007-07-01 72.42 2007-08-01 73.10 2007-09-01 73.38 2007-10-01 74.01 2007-11-01 75.56 2007-12-01 75.63 2008-01-01 77.52 2008-02-01 79.28 2008-03-01 80.44 2008-04-01 81.11 2008-05-01 81.99 2008-06-01 82.75 2008-07-01 83.82 2008-08-01 84.17 2008-09-01 84.98 2008-10-01 85.54 2008-11-01 85.63 2008-12-01 86.06 2009-01-01 87.20 2009-02-01 88.28 2009-03-01 89.67 2009-04-01 90.04 2009-05-01 90.59 2009-06-01 90.96 2009-07-01 91.19 2009-08-01 91.39 2009-09-01 91.68 2009-10-01 91.98 2009-11-01 92.24 2009-12-01 92.80 2010-01-01 93.07 2010-02-01 92.96 2010-03-01 93.22 2010-04-01 93.23 2010-05-01 93.33 2010-06-01 93.52 2010-07-01 93.65 2010-08-01 93.83 2010-09-01 94.28 2010-10-01 94.67 2010-11-01 94.98 2010-12-01 95.04 2011-01-01 95.15 2011-02-01 95.08 2011-03-01 94.99 2011-04-01 95.52 2011-05-01 95.52 2011-06-01 95.58 2011-07-01 96.09 2011-08-01 96.09 2011-09-01 96.25 2011-10-01 96.25 2011-11-01 96.80 2011-12-01 96.80 2012-01-01 96.98 2012-02-01 96.94 2012-03-01 97.11 2012-04-01 97.22 2012-05-01 97.33 2012-06-01 97.24 2012-07-01 97.56 2012-08-01 97.89 2012-09-01 97.89 2012-10-01 98.22 2012-11-01 98.21 2012-12-01 98.35 2013-01-01 98.43 2013-02-01 98.31 2013-03-01 98.11 2013-04-01 98.55 2013-05-01 98.61 2013-06-01 98.54 2013-07-01 98.71 2013-08-01 98.31 2013-09-01 98.24 2013-10-01 98.24 2013-11-01 98.38 2013-12-01 98.38 2014-01-01 98.36 2014-02-01 98.36 2014-03-01 98.36 2014-04-01 98.56 2014-05-01 98.68 2014-06-01 98.19 2014-07-01 98.19 2014-08-01 98.19 2014-09-01 98.39 2014-10-01 98.39 2014-11-01 98.57 2014-12-01 98.77 2015-01-01 99.02 2015-02-01 99.12 2015-03-01 99.73 2015-04-01 99.62 2015-05-01 100.07 2015-06-01 100.14 2015-07-01 100.20 2015-08-01 100.20 2015-09-01 100.73 2015-10-01 100.46 2015-11-01 100.46 2015-12-01 100.23 2016-01-01 100.21 2016-02-01 100.67 2016-03-01 100.88 2016-04-01 101.13 2016-05-01 101.19 2016-06-01 101.40 2016-07-01 101.55 2016-08-01 101.58 2016-09-01 101.58 2016-10-01 101.49 2016-11-01 101.64 2016-12-01 101.60 2017-01-01 101.76 2017-02-01 102.15 2017-03-01 102.73 2017-04-01 102.83 2017-05-01 103.69 2017-06-01 103.83 2017-07-01 103.93 2017-08-01 103.93 2017-09-01 103.93 2017-10-01 104.09 2017-11-01 104.09 2017-12-01 104.28 2018-01-01 104.70 2018-02-01 104.70 2018-03-01 104.90 2018-04-01 105.60 2018-05-01 106.17 2018-06-01 106.12 2018-07-01 106.34 2018-08-01 106.75 2018-09-01 106.73 2018-10-01 106.79