Month Index 2015=100 1996-12-01 1.71 1997-01-01 1.99 1997-02-01 3.09 1997-03-01 4.32 1997-04-01 5.53 1997-05-01 6.81 1997-06-01 7.50 1997-07-01 7.77 1997-08-01 8.25 1997-09-01 16.44 1997-10-01 17.08 1997-11-01 17.60 1997-12-01 18.19 1998-01-01 20.34 1998-02-01 21.63 1998-03-01 21.90 1998-04-01 22.15 1998-05-01 22.46 1998-06-01 22.55 1998-07-01 22.52 1998-08-01 22.51 1998-09-01 24.80 1998-10-01 25.95 1998-11-01 26.05 1998-12-01 26.32 1999-01-01 27.04 1999-02-01 27.43 1999-03-01 27.14 1999-04-01 27.50 1999-05-01 27.56 1999-06-01 27.51 1999-07-01 27.59 1999-08-01 27.76 1999-09-01 29.10 1999-10-01 29.61 1999-11-01 29.65 1999-12-01 30.01 2000-01-01 30.20 2000-02-01 30.62 2000-03-01 30.71 2000-04-01 30.76 2000-05-01 30.83 2000-06-01 30.50 2000-07-01 30.59 2000-08-01 30.67 2000-09-01 36.36 2000-10-01 41.99 2000-11-01 42.16 2000-12-01 42.15 2001-01-01 42.18 2001-02-01 42.20 2001-03-01 42.25 2001-04-01 42.28 2001-05-01 42.29 2001-06-01 42.30 2001-07-01 42.32 2001-08-01 42.31 2001-09-01 43.95 2001-10-01 44.43 2001-11-01 44.43 2001-12-01 44.42 2002-01-01 44.61 2002-02-01 44.71 2002-03-01 45.02 2002-04-01 45.03 2002-05-01 44.91 2002-06-01 44.89 2002-07-01 44.86 2002-08-01 44.83 2002-09-01 47.21 2002-10-01 47.48 2002-11-01 47.49 2002-12-01 47.49 2003-01-01 47.47 2003-02-01 47.47 2003-03-01 47.54 2003-04-01 47.51 2003-05-01 47.48 2003-06-01 47.63 2003-07-01 47.48 2003-08-01 47.48 2003-09-01 49.28 2003-10-01 50.00 2003-11-01 50.10 2003-12-01 50.07 2004-01-01 50.04 2004-02-01 49.86 2004-03-01 49.85 2004-04-01 49.85 2004-05-01 49.88 2004-06-01 49.73 2004-07-01 49.75 2004-08-01 49.75 2004-09-01 51.55 2004-10-01 52.43 2004-11-01 52.44 2004-12-01 52.43 2005-01-01 52.52 2005-02-01 52.64 2005-03-01 52.62 2005-04-01 52.73 2005-05-01 52.74 2005-06-01 52.75 2005-07-01 52.76 2005-08-01 52.81 2005-09-01 54.61 2005-10-01 56.24 2005-11-01 56.26 2005-12-01 56.26 2006-01-01 56.45 2006-02-01 56.53 2006-03-01 56.57 2006-04-01 56.60 2006-05-01 56.59 2006-06-01 56.70 2006-07-01 56.72 2006-08-01 56.72 2006-09-01 58.36 2006-10-01 59.53 2006-11-01 59.74 2006-12-01 59.86 2007-01-01 59.91 2007-02-01 60.03 2007-03-01 60.02 2007-04-01 59.92 2007-05-01 60.10 2007-06-01 60.15 2007-07-01 60.30 2007-08-01 60.35 2007-09-01 63.63 2007-10-01 64.88 2007-11-01 65.80 2007-12-01 65.93 2008-01-01 66.55 2008-02-01 66.61 2008-03-01 66.65 2008-04-01 66.72 2008-05-01 66.75 2008-06-01 67.01 2008-07-01 67.06 2008-08-01 67.14 2008-09-01 74.17 2008-10-01 77.50 2008-11-01 77.65 2008-12-01 77.66 2009-01-01 78.16 2009-02-01 78.76 2009-03-01 78.91 2009-04-01 78.97 2009-05-01 79.02 2009-06-01 79.04 2009-07-01 79.06 2009-08-01 79.06 2009-09-01 83.30 2009-10-01 84.88 2009-11-01 84.87 2009-12-01 84.88 2010-01-01 84.88 2010-02-01 85.09 2010-03-01 85.10 2010-04-01 85.10 2010-05-01 85.10 2010-06-01 85.13 2010-07-01 85.35 2010-08-01 85.57 2010-09-01 85.84 2010-10-01 86.37 2010-11-01 86.37 2010-12-01 86.39 2011-01-01 86.51 2011-02-01 86.44 2011-03-01 86.53 2011-04-01 86.71 2011-05-01 86.71 2011-06-01 87.05 2011-07-01 87.03 2011-08-01 87.09 2011-09-01 89.12 2011-10-01 90.33 2011-11-01 90.27 2011-12-01 90.27 2012-01-01 92.06 2012-02-01 92.03 2012-03-01 92.19 2012-04-01 92.34 2012-05-01 92.34 2012-06-01 92.34 2012-07-01 92.40 2012-08-01 92.52 2012-09-01 93.71 2012-10-01 95.78 2012-11-01 95.75 2012-12-01 95.77 2013-01-01 95.81 2013-02-01 95.57 2013-03-01 95.57 2013-04-01 95.55 2013-05-01 95.55 2013-06-01 95.55 2013-07-01 95.61 2013-08-01 95.73 2013-09-01 95.85 2013-10-01 96.41 2013-11-01 96.42 2013-12-01 96.42 2014-01-01 96.46 2014-02-01 96.64 2014-03-01 96.83 2014-04-01 96.91 2014-05-01 96.77 2014-06-01 96.83 2014-07-01 96.83 2014-08-01 96.83 2014-09-01 97.92 2014-10-01 98.89 2014-11-01 98.89 2014-12-01 98.85 2015-01-01 99.05 2015-02-01 99.42 2015-03-01 99.42 2015-04-01 99.56 2015-05-01 99.56 2015-06-01 99.56 2015-07-01 99.62 2015-08-01 99.62 2015-09-01 100.57 2015-10-01 101.18 2015-11-01 101.22 2015-12-01 101.22 2016-01-01 101.11 2016-02-01 101.33 2016-03-01 101.33 2016-04-01 101.41 2016-05-01 101.41 2016-06-01 101.41 2016-07-01 101.41 2016-08-01 101.42 2016-09-01 102.64 2016-10-01 104.66 2016-11-01 104.66 2016-12-01 104.66 2017-01-01 104.98 2017-02-01 105.66 2017-03-01 106.06 2017-04-01 106.06 2017-05-01 106.19 2017-06-01 106.19 2017-07-01 106.26 2017-08-01 106.26 2017-09-01 107.72 2017-10-01 108.71 2017-11-01 108.71 2017-12-01 108.71 2018-01-01 109.14 2018-02-01 109.04 2018-03-01 109.04 2018-04-01 109.43 2018-05-01 109.43 2018-06-01 109.43 2018-07-01 109.36 2018-08-01 109.36 2018-09-01 111.46 2018-10-01 111.44