Month Index 2015=100 1996-12-01 4.86 1997-01-01 6.49 1997-02-01 18.70 1997-03-01 19.08 1997-04-01 21.20 1997-05-01 24.50 1997-06-01 26.80 1997-07-01 28.20 1997-08-01 30.81 1997-09-01 32.22 1997-10-01 33.41 1997-11-01 34.85 1997-12-01 35.62 1998-01-01 37.86 1998-02-01 39.02 1998-03-01 42.93 1998-04-01 43.44 1998-05-01 44.03 1998-06-01 44.72 1998-07-01 45.51 1998-08-01 47.35 1998-09-01 48.72 1998-10-01 54.30 1998-11-01 54.45 1998-12-01 50.11 1999-01-01 51.33 1999-02-01 51.42 1999-03-01 52.26 1999-04-01 52.48 1999-05-01 52.62 1999-06-01 52.69 1999-07-01 53.39 1999-08-01 53.35 1999-09-01 53.44 1999-10-01 52.50 1999-11-01 52.56 1999-12-01 52.68 2000-01-01 53.55 2000-02-01 54.25 2000-03-01 54.31 2000-04-01 54.13 2000-05-01 54.33 2000-06-01 54.12 2000-07-01 54.83 2000-08-01 54.92 2000-09-01 54.96 2000-10-01 55.07 2000-11-01 55.22 2000-12-01 55.28 2001-01-01 56.54 2001-02-01 56.43 2001-03-01 56.01 2001-04-01 56.30 2001-05-01 57.19 2001-06-01 57.07 2001-07-01 57.03 2001-08-01 57.23 2001-09-01 57.23 2001-10-01 57.23 2001-11-01 58.24 2001-12-01 58.60 2002-01-01 58.89 2002-02-01 59.03 2002-03-01 59.17 2002-04-01 58.86 2002-05-01 58.78 2002-06-01 58.56 2002-07-01 58.52 2002-08-01 58.55 2002-09-01 58.61 2002-10-01 58.20 2002-11-01 58.36 2002-12-01 58.56 2003-01-01 58.61 2003-02-01 58.38 2003-03-01 58.34 2003-04-01 57.90 2003-05-01 57.89 2003-06-01 57.37 2003-07-01 57.35 2003-08-01 57.35 2003-09-01 57.42 2003-10-01 57.49 2003-11-01 58.05 2003-12-01 58.16 2004-01-01 58.57 2004-02-01 58.86 2004-03-01 58.79 2004-04-01 58.56 2004-05-01 58.72 2004-06-01 58.90 2004-07-01 58.81 2004-08-01 58.91 2004-09-01 58.88 2004-10-01 58.94 2004-11-01 59.09 2004-12-01 59.17 2005-01-01 60.06 2005-02-01 60.12 2005-03-01 60.47 2005-04-01 60.72 2005-05-01 60.87 2005-06-01 60.68 2005-07-01 60.85 2005-08-01 61.20 2005-09-01 61.51 2005-10-01 62.11 2005-11-01 62.57 2005-12-01 62.95 2006-01-01 63.43 2006-02-01 64.06 2006-03-01 64.41 2006-04-01 64.63 2006-05-01 64.67 2006-06-01 65.20 2006-07-01 65.54 2006-08-01 65.62 2006-09-01 65.86 2006-10-01 65.87 2006-11-01 66.53 2006-12-01 66.87 2007-01-01 67.79 2007-02-01 68.39 2007-03-01 68.75 2007-04-01 69.10 2007-05-01 69.57 2007-06-01 70.10 2007-07-01 70.25 2007-08-01 71.62 2007-09-01 72.34 2007-10-01 73.00 2007-11-01 74.25 2007-12-01 75.18 2008-01-01 77.32 2008-02-01 78.47 2008-03-01 79.29 2008-04-01 80.00 2008-05-01 81.76 2008-06-01 82.85 2008-07-01 83.39 2008-08-01 84.42 2008-09-01 84.51 2008-10-01 85.42 2008-11-01 85.79 2008-12-01 86.89 2009-01-01 87.32 2009-02-01 87.80 2009-03-01 88.00 2009-04-01 89.12 2009-05-01 89.52 2009-06-01 90.28 2009-07-01 90.72 2009-08-01 91.01 2009-09-01 90.85 2009-10-01 91.39 2009-11-01 91.61 2009-12-01 91.60 2010-01-01 92.15 2010-02-01 92.27 2010-03-01 92.21 2010-04-01 92.40 2010-05-01 92.76 2010-06-01 92.76 2010-07-01 92.23 2010-08-01 92.55 2010-09-01 92.99 2010-10-01 93.38 2010-11-01 93.78 2010-12-01 93.88 2011-01-01 93.73 2011-02-01 93.73 2011-03-01 93.94 2011-04-01 94.09 2011-05-01 94.12 2011-06-01 94.25 2011-07-01 94.38 2011-08-01 94.26 2011-09-01 94.34 2011-10-01 94.54 2011-11-01 94.55 2011-12-01 94.39 2012-01-01 96.86 2012-02-01 97.60 2012-03-01 97.78 2012-04-01 98.28 2012-05-01 98.15 2012-06-01 98.71 2012-07-01 98.70 2012-08-01 98.69 2012-09-01 98.69 2012-10-01 98.82 2012-11-01 99.35 2012-12-01 99.81 2013-01-01 99.83 2013-02-01 99.97 2013-03-01 100.01 2013-04-01 100.04 2013-05-01 100.40 2013-06-01 100.42 2013-07-01 100.44 2013-08-01 100.34 2013-09-01 100.78 2013-10-01 100.57 2013-11-01 100.67 2013-12-01 100.34 2014-01-01 100.32 2014-02-01 100.34 2014-03-01 100.51 2014-04-01 100.49 2014-05-01 100.55 2014-06-01 100.37 2014-07-01 100.43 2014-08-01 100.34 2014-09-01 100.28 2014-10-01 100.09 2014-11-01 99.96 2014-12-01 99.94 2015-01-01 99.89 2015-02-01 100.17 2015-03-01 100.21 2015-04-01 100.30 2015-05-01 100.15 2015-06-01 100.07 2015-07-01 100.22 2015-08-01 100.00 2015-09-01 99.73 2015-10-01 99.80 2015-11-01 99.69 2015-12-01 99.78 2016-01-01 99.84 2016-02-01 99.93 2016-03-01 100.20 2016-04-01 100.28 2016-05-01 100.18 2016-06-01 100.18 2016-07-01 100.37 2016-08-01 100.55 2016-09-01 100.55 2016-10-01 100.55 2016-11-01 100.59 2016-12-01 100.83 2017-01-01 101.23 2017-02-01 101.24 2017-03-01 101.24 2017-04-01 101.57 2017-05-01 101.81 2017-06-01 101.92 2017-07-01 102.15 2017-08-01 102.15 2017-09-01 102.29 2017-10-01 102.25 2017-11-01 102.17 2017-12-01 102.37 2018-01-01 103.01 2018-02-01 103.68 2018-03-01 103.86 2018-04-01 104.15 2018-05-01 104.22 2018-06-01 104.45 2018-07-01 104.67 2018-08-01 104.92 2018-09-01 105.36 2018-10-01 105.74