Month Index 2015=100 1996-12-01 4.09 1997-01-01 5.63 1997-02-01 16.51 1997-03-01 21.13 1997-04-01 21.61 1997-05-01 22.91 1997-06-01 24.11 1997-07-01 24.93 1997-08-01 26.26 1997-09-01 29.11 1997-10-01 30.68 1997-11-01 32.00 1997-12-01 32.73 1998-01-01 33.80 1998-02-01 34.90 1998-03-01 35.74 1998-04-01 36.55 1998-05-01 37.04 1998-06-01 36.51 1998-07-01 36.60 1998-08-01 36.85 1998-09-01 37.40 1998-10-01 38.71 1998-11-01 39.01 1998-12-01 39.30 1999-01-01 39.47 1999-02-01 40.35 1999-03-01 40.55 1999-04-01 40.56 1999-05-01 40.77 1999-06-01 40.44 1999-07-01 40.77 1999-08-01 41.61 1999-09-01 42.26 1999-10-01 42.80 1999-11-01 42.89 1999-12-01 43.18 2000-01-01 43.80 2000-02-01 44.17 2000-03-01 44.56 2000-04-01 44.83 2000-05-01 44.81 2000-06-01 44.92 2000-07-01 45.05 2000-08-01 45.87 2000-09-01 46.84 2000-10-01 47.56 2000-11-01 47.96 2000-12-01 48.42 2001-01-01 48.73 2001-02-01 49.07 2001-03-01 49.33 2001-04-01 49.47 2001-05-01 49.49 2001-06-01 49.47 2001-07-01 49.43 2001-08-01 49.61 2001-09-01 49.86 2001-10-01 49.98 2001-11-01 50.18 2001-12-01 50.36 2002-01-01 51.05 2002-02-01 51.50 2002-03-01 51.75 2002-04-01 51.87 2002-05-01 51.71 2002-06-01 51.78 2002-07-01 51.45 2002-08-01 51.49 2002-09-01 51.33 2002-10-01 51.52 2002-11-01 51.87 2002-12-01 52.02 2003-01-01 52.45 2003-02-01 52.66 2003-03-01 52.67 2003-04-01 52.84 2003-05-01 53.14 2003-06-01 53.21 2003-07-01 53.29 2003-08-01 53.44 2003-09-01 53.53 2003-10-01 53.66 2003-11-01 54.02 2003-12-01 54.24 2004-01-01 54.84 2004-02-01 55.02 2004-03-01 55.11 2004-04-01 55.26 2004-05-01 55.30 2004-06-01 55.22 2004-07-01 55.33 2004-08-01 55.63 2004-09-01 55.62 2004-10-01 55.77 2004-11-01 56.13 2004-12-01 56.23 2005-01-01 56.55 2005-02-01 56.90 2005-03-01 57.21 2005-04-01 57.41 2005-05-01 57.72 2005-06-01 57.94 2005-07-01 57.92 2005-08-01 58.17 2005-09-01 58.57 2005-10-01 59.25 2005-11-01 59.65 2005-12-01 60.13 2006-01-01 60.47 2006-02-01 60.88 2006-03-01 61.04 2006-04-01 61.68 2006-05-01 61.76 2006-06-01 61.81 2006-07-01 62.01 2006-08-01 62.03 2006-09-01 62.23 2006-10-01 62.63 2006-11-01 63.35 2006-12-01 63.88 2007-01-01 65.21 2007-02-01 66.06 2007-03-01 66.40 2007-04-01 66.72 2007-05-01 67.17 2007-06-01 67.44 2007-07-01 68.27 2007-08-01 71.12 2007-09-01 72.99 2007-10-01 73.58 2007-11-01 75.30 2007-12-01 76.26 2008-01-01 77.07 2008-02-01 78.40 2008-03-01 79.36 2008-04-01 79.97 2008-05-01 80.58 2008-06-01 81.47 2008-07-01 82.94 2008-08-01 84.01 2008-09-01 85.02 2008-10-01 85.93 2008-11-01 86.50 2008-12-01 87.10 2009-01-01 87.66 2009-02-01 88.53 2009-03-01 88.71 2009-04-01 89.03 2009-05-01 89.13 2009-06-01 89.17 2009-07-01 89.29 2009-08-01 89.65 2009-09-01 90.18 2009-10-01 90.69 2009-11-01 90.73 2009-12-01 90.92 2010-01-01 91.28 2010-02-01 91.37 2010-03-01 91.38 2010-04-01 91.60 2010-05-01 91.69 2010-06-01 91.94 2010-07-01 91.91 2010-08-01 92.03 2010-09-01 92.24 2010-10-01 92.52 2010-11-01 92.74 2010-12-01 92.77 2011-01-01 92.95 2011-02-01 93.19 2011-03-01 93.35 2011-04-01 93.76 2011-05-01 93.94 2011-06-01 94.08 2011-07-01 94.16 2011-08-01 94.15 2011-09-01 94.30 2011-10-01 94.50 2011-11-01 94.92 2011-12-01 94.84 2012-01-01 94.92 2012-02-01 95.01 2012-03-01 95.21 2012-04-01 95.25 2012-05-01 95.33 2012-06-01 95.43 2012-07-01 95.58 2012-08-01 95.73 2012-09-01 96.38 2012-10-01 96.79 2012-11-01 97.14 2012-12-01 97.40 2013-01-01 97.68 2013-02-01 97.85 2013-03-01 97.93 2013-04-01 98.15 2013-05-01 97.71 2013-06-01 97.93 2013-07-01 97.89 2013-08-01 98.05 2013-09-01 98.00 2013-10-01 98.13 2013-11-01 98.27 2013-12-01 98.31 2014-01-01 98.41 2014-02-01 98.41 2014-03-01 98.66 2014-04-01 98.90 2014-05-01 98.84 2014-06-01 98.88 2014-07-01 98.93 2014-08-01 98.91 2014-09-01 98.94 2014-10-01 98.37 2014-11-01 98.53 2014-12-01 98.55 2015-01-01 99.23 2015-02-01 99.48 2015-03-01 99.53 2015-04-01 99.73 2015-05-01 99.90 2015-06-01 99.83 2015-07-01 100.09 2015-08-01 100.11 2015-09-01 100.42 2015-10-01 100.44 2015-11-01 100.59 2015-12-01 100.66 2016-01-01 100.89 2016-02-01 100.98 2016-03-01 101.35 2016-04-01 101.36 2016-05-01 101.37 2016-06-01 101.18 2016-07-01 101.32 2016-08-01 101.45 2016-09-01 101.54 2016-10-01 101.70 2016-11-01 101.92 2016-12-01 102.29 2017-01-01 102.43 2017-02-01 102.38 2017-03-01 102.63 2017-04-01 102.69 2017-05-01 103.06 2017-06-01 103.08 2017-07-01 103.22 2017-08-01 103.32 2017-09-01 103.57 2017-10-01 103.79 2017-11-01 104.14 2017-12-01 104.46 2018-01-01 105.09 2018-02-01 105.15 2018-03-01 105.75 2018-04-01 106.03 2018-05-01 106.24 2018-06-01 106.51 2018-07-01 106.81 2018-08-01 107.01 2018-09-01 107.71 2018-10-01 108.46