Month Index 2015=100 1996-12-01 2.72 1997-01-01 3.54 1997-02-01 12.59 1997-03-01 14.84 1997-04-01 17.43 1997-05-01 19.09 1997-06-01 20.01 1997-07-01 20.73 1997-08-01 21.75 1997-09-01 24.52 1997-10-01 25.74 1997-11-01 26.46 1997-12-01 26.72 1998-01-01 27.41 1998-02-01 28.01 1998-03-01 28.21 1998-04-01 28.43 1998-05-01 28.31 1998-06-01 27.91 1998-07-01 28.18 1998-08-01 28.55 1998-09-01 29.25 1998-10-01 29.58 1998-11-01 30.01 1998-12-01 30.33 1999-01-01 30.76 1999-02-01 30.98 1999-03-01 31.05 1999-04-01 31.17 1999-05-01 31.17 1999-06-01 31.18 1999-07-01 31.53 1999-08-01 31.66 1999-09-01 32.55 1999-10-01 33.05 1999-11-01 33.27 1999-12-01 33.68 2000-01-01 34.05 2000-02-01 34.55 2000-03-01 35.04 2000-04-01 35.57 2000-05-01 35.95 2000-06-01 36.22 2000-07-01 36.70 2000-08-01 37.16 2000-09-01 39.55 2000-10-01 41.31 2000-11-01 42.79 2000-12-01 43.81 2001-01-01 44.19 2001-02-01 44.45 2001-03-01 44.55 2001-04-01 44.56 2001-05-01 44.64 2001-06-01 45.28 2001-07-01 48.05 2001-08-01 51.91 2001-09-01 52.68 2001-10-01 53.02 2001-11-01 53.17 2001-12-01 53.25 2002-01-01 56.80 2002-02-01 60.25 2002-03-01 60.80 2002-04-01 61.18 2002-05-01 61.48 2002-06-01 61.51 2002-07-01 61.52 2002-08-01 61.21 2002-09-01 61.45 2002-10-01 61.30 2002-11-01 61.15 2002-12-01 61.13 2003-01-01 61.58 2003-02-01 61.53 2003-03-01 63.81 2003-04-01 64.79 2003-05-01 64.97 2003-06-01 64.82 2003-07-01 64.61 2003-08-01 64.49 2003-09-01 64.66 2003-10-01 64.73 2003-11-01 64.67 2003-12-01 64.49 2004-01-01 64.52 2004-02-01 64.74 2004-03-01 64.73 2004-04-01 65.00 2004-05-01 64.95 2004-06-01 64.86 2004-07-01 64.92 2004-08-01 64.76 2004-09-01 65.20 2004-10-01 65.35 2004-11-01 65.37 2004-12-01 66.67 2005-01-01 67.02 2005-02-01 69.17 2005-03-01 69.40 2005-04-01 69.70 2005-05-01 69.95 2005-06-01 70.02 2005-07-01 70.01 2005-08-01 70.63 2005-09-01 72.36 2005-10-01 73.45 2005-11-01 73.65 2005-12-01 73.73 2006-01-01 74.28 2006-02-01 74.62 2006-03-01 74.53 2006-04-01 74.60 2006-05-01 74.60 2006-06-01 74.78 2006-07-01 75.02 2006-08-01 75.15 2006-09-01 75.84 2006-10-01 76.21 2006-11-01 76.19 2006-12-01 76.26 2007-01-01 77.91 2007-02-01 78.24 2007-03-01 78.32 2007-04-01 78.58 2007-05-01 78.65 2007-06-01 78.76 2007-07-01 78.51 2007-08-01 78.65 2007-09-01 79.57 2007-10-01 79.85 2007-11-01 80.15 2007-12-01 80.39 2008-01-01 82.62 2008-02-01 84.70 2008-03-01 84.69 2008-04-01 84.95 2008-05-01 85.00 2008-06-01 85.12 2008-07-01 84.41 2008-08-01 84.62 2008-09-01 86.22 2008-10-01 87.13 2008-11-01 87.42 2008-12-01 87.59 2009-01-01 88.83 2009-02-01 89.26 2009-03-01 89.24 2009-04-01 89.36 2009-05-01 89.42 2009-06-01 90.96 2009-07-01 91.17 2009-08-01 91.51 2009-09-01 92.66 2009-10-01 93.29 2009-11-01 93.54 2009-12-01 93.65 2010-01-01 93.91 2010-02-01 93.81 2010-03-01 93.87 2010-04-01 93.95 2010-05-01 94.09 2010-06-01 94.16 2010-07-01 94.26 2010-08-01 94.42 2010-09-01 94.56 2010-10-01 94.67 2010-11-01 94.72 2010-12-01 94.92 2011-01-01 97.33 2011-02-01 97.36 2011-03-01 97.27 2011-04-01 97.36 2011-05-01 97.51 2011-06-01 97.62 2011-07-01 97.65 2011-08-01 97.68 2011-09-01 102.64 2011-10-01 103.00 2011-11-01 103.07 2011-12-01 103.18 2012-01-01 103.68 2012-02-01 103.81 2012-03-01 103.65 2012-04-01 103.74 2012-05-01 105.89 2012-06-01 105.92 2012-07-01 105.97 2012-08-01 106.05 2012-09-01 104.82 2012-10-01 104.59 2012-11-01 104.49 2012-12-01 104.40 2013-01-01 104.41 2013-02-01 104.24 2013-03-01 104.25 2013-04-01 104.04 2013-05-01 103.77 2013-06-01 103.68 2013-07-01 103.28 2013-08-01 103.35 2013-09-01 103.28 2013-10-01 103.49 2013-11-01 103.45 2013-12-01 103.49 2014-01-01 101.17 2014-02-01 100.84 2014-03-01 100.86 2014-04-01 100.99 2014-05-01 101.00 2014-06-01 100.84 2014-07-01 100.58 2014-08-01 100.20 2014-09-01 100.17 2014-10-01 100.19 2014-11-01 100.20 2014-12-01 100.21 2015-01-01 100.20 2015-02-01 100.30 2015-03-01 100.21 2015-04-01 100.34 2015-05-01 100.20 2015-06-01 99.76 2015-07-01 99.49 2015-08-01 99.47 2015-09-01 99.73 2015-10-01 99.99 2015-11-01 100.15 2015-12-01 100.16 2016-01-01 100.07 2016-02-01 100.24 2016-03-01 100.05 2016-04-01 100.22 2016-05-01 100.31 2016-06-01 100.28 2016-07-01 100.15 2016-08-01 100.06 2016-09-01 100.25 2016-10-01 100.52 2016-11-01 100.50 2016-12-01 100.44 2017-01-01 100.63 2017-02-01 100.76 2017-03-01 100.84 2017-04-01 100.89 2017-05-01 101.00 2017-06-01 100.96 2017-07-01 100.95 2017-08-01 100.95 2017-09-01 101.19 2017-10-01 101.34 2017-11-01 101.38 2017-12-01 101.35 2018-01-01 101.42 2018-02-01 101.51 2018-03-01 101.43 2018-04-01 101.50 2018-05-01 101.52 2018-06-01 101.62 2018-07-01 101.55 2018-08-01 101.64 2018-09-01 101.98 2018-10-01 101.98