Month Index 2015=100 1996-12-01 2.55 1997-01-01 4.54 1997-02-01 8.41 1997-03-01 9.75 1997-04-01 11.12 1997-05-01 13.08 1997-06-01 14.44 1997-07-01 15.25 1997-08-01 15.95 1997-09-01 16.57 1997-10-01 17.57 1997-11-01 18.10 1997-12-01 18.30 1998-01-01 19.00 1998-02-01 19.39 1998-03-01 21.57 1998-04-01 22.03 1998-05-01 22.46 1998-06-01 23.34 1998-07-01 27.07 1998-08-01 33.32 1998-09-01 37.37 1998-10-01 39.05 1998-11-01 39.16 1998-12-01 39.76 1999-01-01 40.77 1999-02-01 41.73 1999-03-01 42.34 1999-04-01 42.39 1999-05-01 42.78 1999-06-01 43.04 1999-07-01 44.12 1999-08-01 45.21 1999-09-01 45.52 1999-10-01 45.57 1999-11-01 45.74 1999-12-01 46.07 2000-01-01 46.80 2000-02-01 47.58 2000-03-01 48.31 2000-04-01 48.36 2000-05-01 48.85 2000-06-01 49.07 2000-07-01 49.09 2000-08-01 49.17 2000-09-01 49.16 2000-10-01 49.56 2000-11-01 49.71 2000-12-01 49.84 2001-01-01 51.18 2001-02-01 52.04 2001-03-01 52.56 2001-04-01 52.97 2001-05-01 53.78 2001-06-01 53.74 2001-07-01 53.87 2001-08-01 54.07 2001-09-01 54.19 2001-10-01 54.52 2001-11-01 54.72 2001-12-01 54.92 2002-01-01 58.22 2002-02-01 59.93 2002-03-01 60.22 2002-04-01 60.54 2002-05-01 60.71 2002-06-01 60.70 2002-07-01 60.80 2002-08-01 60.82 2002-09-01 60.92 2002-10-01 61.15 2002-11-01 61.13 2002-12-01 61.20 2003-01-01 61.73 2003-02-01 61.76 2003-03-01 62.06 2003-04-01 62.12 2003-05-01 62.11 2003-06-01 62.06 2003-07-01 62.04 2003-08-01 62.15 2003-09-01 62.25 2003-10-01 62.17 2003-11-01 62.32 2003-12-01 62.29 2004-01-01 62.67 2004-02-01 62.60 2004-03-01 62.89 2004-04-01 62.93 2004-05-01 63.26 2004-06-01 63.58 2004-07-01 63.63 2004-08-01 63.97 2004-09-01 64.51 2004-10-01 64.71 2004-11-01 64.97 2004-12-01 65.10 2005-01-01 65.55 2005-02-01 66.07 2005-03-01 66.39 2005-04-01 66.75 2005-05-01 66.82 2005-06-01 66.95 2005-07-01 67.10 2005-08-01 67.16 2005-09-01 67.24 2005-10-01 67.45 2005-11-01 67.81 2005-12-01 68.11 2006-01-01 69.10 2006-02-01 69.34 2006-03-01 70.99 2006-04-01 71.60 2006-05-01 71.74 2006-06-01 71.84 2006-07-01 72.04 2006-08-01 72.41 2006-09-01 72.54 2006-10-01 72.65 2006-11-01 72.87 2006-12-01 72.94 2007-01-01 73.72 2007-02-01 73.97 2007-03-01 74.72 2007-04-01 75.32 2007-05-01 75.52 2007-06-01 75.77 2007-07-01 76.22 2007-08-01 77.07 2007-09-01 77.38 2007-10-01 77.49 2007-11-01 77.99 2007-12-01 78.58 2008-01-01 80.22 2008-02-01 80.49 2008-03-01 81.33 2008-04-01 82.76 2008-05-01 83.64 2008-06-01 84.00 2008-07-01 84.72 2008-08-01 85.51 2008-09-01 86.09 2008-10-01 86.32 2008-11-01 86.71 2008-12-01 87.34 2009-01-01 88.46 2009-02-01 89.44 2009-03-01 91.69 2009-04-01 92.90 2009-05-01 93.05 2009-06-01 93.23 2009-07-01 93.40 2009-08-01 93.41 2009-09-01 93.62 2009-10-01 93.70 2009-11-01 93.73 2009-12-01 93.79 2010-01-01 94.09 2010-02-01 94.04 2010-03-01 94.42 2010-04-01 94.67 2010-05-01 95.11 2010-06-01 95.24 2010-07-01 94.96 2010-08-01 95.08 2010-09-01 95.11 2010-10-01 95.56 2010-11-01 95.56 2010-12-01 95.59 2011-01-01 95.62 2011-02-01 95.58 2011-03-01 95.35 2011-04-01 95.42 2011-05-01 95.36 2011-06-01 95.37 2011-07-01 95.37 2011-08-01 95.34 2011-09-01 95.49 2011-10-01 95.56 2011-11-01 95.68 2011-12-01 95.72 2012-01-01 95.72 2012-02-01 95.55 2012-03-01 96.40 2012-04-01 96.50 2012-05-01 96.65 2012-06-01 96.67 2012-07-01 96.91 2012-08-01 97.01 2012-09-01 97.57 2012-10-01 97.55 2012-11-01 97.69 2012-12-01 98.22 2013-01-01 98.23 2013-02-01 98.52 2013-03-01 98.88 2013-04-01 98.97 2013-05-01 99.23 2013-06-01 99.20 2013-07-01 99.26 2013-08-01 99.26 2013-09-01 99.44 2013-10-01 99.55 2013-11-01 99.64 2013-12-01 99.63 2014-01-01 98.90 2014-02-01 98.78 2014-03-01 98.98 2014-04-01 98.93 2014-05-01 99.00 2014-06-01 99.24 2014-07-01 99.28 2014-08-01 99.30 2014-09-01 99.48 2014-10-01 99.50 2014-11-01 99.58 2014-12-01 99.61 2015-01-01 99.74 2015-02-01 99.84 2015-03-01 99.86 2015-04-01 99.97 2015-05-01 99.97 2015-06-01 99.99 2015-07-01 100.04 2015-08-01 100.04 2015-09-01 100.08 2015-10-01 100.12 2015-11-01 100.15 2015-12-01 100.21 2016-01-01 100.25 2016-02-01 100.64 2016-03-01 100.51 2016-04-01 100.86 2016-05-01 101.04 2016-06-01 101.19 2016-07-01 101.24 2016-08-01 101.33 2016-09-01 101.41 2016-10-01 101.56 2016-11-01 101.62 2016-12-01 101.62 2017-01-01 101.79 2017-02-01 101.90 2017-03-01 101.97 2017-04-01 102.22 2017-05-01 102.27 2017-06-01 102.40 2017-07-01 102.61 2017-08-01 102.81 2017-09-01 102.94 2017-10-01 103.20 2017-11-01 103.23 2017-12-01 103.47 2018-01-01 104.01 2018-02-01 104.19 2018-03-01 104.58 2018-04-01 105.27 2018-05-01 105.40 2018-06-01 105.37 2018-07-01 105.39 2018-08-01 106.26 2018-09-01 106.33 2018-10-01 106.53