Month Index 2015=100 1996-12-01 4.18 1997-01-01 5.57 1997-02-01 16.51 1997-03-01 20.67 1997-04-01 21.17 1997-05-01 21.94 1997-06-01 22.47 1997-07-01 23.05 1997-08-01 23.94 1997-09-01 25.79 1997-10-01 26.99 1997-11-01 26.87 1997-12-01 27.05 1998-01-01 27.43 1998-02-01 28.75 1998-03-01 28.90 1998-04-01 30.23 1998-05-01 31.90 1998-06-01 32.21 1998-07-01 32.92 1998-08-01 33.08 1998-09-01 33.24 1998-10-01 35.04 1998-11-01 35.15 1998-12-01 35.44 1999-01-01 35.47 1999-02-01 35.70 1999-03-01 35.91 1999-04-01 36.05 1999-05-01 35.97 1999-06-01 36.03 1999-07-01 39.15 1999-08-01 39.72 1999-09-01 39.91 1999-10-01 40.02 1999-11-01 40.05 1999-12-01 41.66 2000-01-01 41.79 2000-02-01 42.06 2000-03-01 43.01 2000-04-01 43.70 2000-05-01 43.92 2000-06-01 44.23 2000-07-01 44.71 2000-08-01 45.44 2000-09-01 48.06 2000-10-01 49.19 2000-11-01 49.64 2000-12-01 49.97 2001-01-01 50.08 2001-02-01 51.15 2001-03-01 51.54 2001-04-01 51.31 2001-05-01 51.49 2001-06-01 51.18 2001-07-01 51.72 2001-08-01 51.78 2001-09-01 51.65 2001-10-01 51.78 2001-11-01 51.80 2001-12-01 51.93 2002-01-01 52.13 2002-02-01 52.43 2002-03-01 52.43 2002-04-01 52.66 2002-05-01 52.86 2002-06-01 52.82 2002-07-01 52.75 2002-08-01 52.82 2002-09-01 52.80 2002-10-01 53.17 2002-11-01 53.35 2002-12-01 53.54 2003-01-01 54.52 2003-02-01 54.84 2003-03-01 55.38 2003-04-01 55.90 2003-05-01 55.52 2003-06-01 55.49 2003-07-01 55.55 2003-08-01 55.59 2003-09-01 55.58 2003-10-01 55.50 2003-11-01 55.83 2003-12-01 55.93 2004-01-01 56.78 2004-02-01 56.14 2004-03-01 56.27 2004-04-01 56.59 2004-05-01 56.66 2004-06-01 57.20 2004-07-01 57.20 2004-08-01 58.37 2004-09-01 58.97 2004-10-01 60.48 2004-11-01 62.26 2004-12-01 62.60 2005-01-01 62.49 2005-02-01 62.56 2005-03-01 63.06 2005-04-01 63.14 2005-05-01 63.56 2005-06-01 63.65 2005-07-01 65.39 2005-08-01 65.66 2005-09-01 67.94 2005-10-01 68.86 2005-11-01 69.57 2005-12-01 69.70 2006-01-01 70.04 2006-02-01 70.14 2006-03-01 70.29 2006-04-01 70.72 2006-05-01 70.88 2006-06-01 71.02 2006-07-01 71.20 2006-08-01 71.40 2006-09-01 72.22 2006-10-01 72.21 2006-11-01 72.09 2006-12-01 72.16 2007-01-01 72.65 2007-02-01 73.22 2007-03-01 73.35 2007-04-01 73.64 2007-05-01 73.73 2007-06-01 73.96 2007-07-01 74.37 2007-08-01 74.64 2007-09-01 75.64 2007-10-01 76.43 2007-11-01 77.56 2007-12-01 80.11 2008-01-01 83.25 2008-02-01 84.41 2008-03-01 85.46 2008-04-01 85.96 2008-05-01 87.58 2008-06-01 92.11 2008-07-01 93.49 2008-08-01 94.25 2008-09-01 95.01 2008-10-01 95.04 2008-11-01 95.31 2008-12-01 95.24 2009-01-01 95.12 2009-02-01 95.50 2009-03-01 95.17 2009-04-01 95.20 2009-05-01 94.97 2009-06-01 94.73 2009-07-01 94.62 2009-08-01 94.07 2009-09-01 94.52 2009-10-01 94.49 2009-11-01 94.55 2009-12-01 94.81 2010-01-01 93.48 2010-02-01 93.95 2010-03-01 93.31 2010-04-01 93.22 2010-05-01 93.46 2010-06-01 93.70 2010-07-01 94.73 2010-08-01 95.45 2010-09-01 94.74 2010-10-01 93.28 2010-11-01 92.47 2010-12-01 94.27 2011-01-01 93.72 2011-02-01 93.27 2011-03-01 96.20 2011-04-01 97.26 2011-05-01 97.85 2011-06-01 97.86 2011-07-01 98.38 2011-08-01 99.23 2011-09-01 99.45 2011-10-01 97.90 2011-11-01 96.58 2011-12-01 99.26 2012-01-01 98.64 2012-02-01 99.22 2012-03-01 100.98 2012-04-01 102.50 2012-05-01 102.41 2012-06-01 102.65 2012-07-01 104.18 2012-08-01 104.79 2012-09-01 104.70 2012-10-01 102.09 2012-11-01 101.70 2012-12-01 103.41 2013-01-01 103.11 2013-02-01 102.47 2013-03-01 102.53 2013-04-01 102.61 2013-05-01 103.52 2013-06-01 102.62 2013-07-01 103.29 2013-08-01 103.90 2013-09-01 103.21 2013-10-01 102.57 2013-11-01 102.05 2013-12-01 103.49 2014-01-01 101.37 2014-02-01 97.55 2014-03-01 97.52 2014-04-01 101.72 2014-05-01 101.59 2014-06-01 100.39 2014-07-01 103.55 2014-08-01 106.79 2014-09-01 101.52 2014-10-01 96.05 2014-11-01 95.67 2014-12-01 105.26 2015-01-01 101.84 2015-02-01 100.93 2015-03-01 98.76 2015-04-01 99.34 2015-05-01 100.08 2015-06-01 99.13 2015-07-01 101.17 2015-08-01 103.46 2015-09-01 100.15 2015-10-01 97.12 2015-11-01 95.35 2015-12-01 102.67 2016-01-01 99.74 2016-02-01 97.46 2016-03-01 97.46 2016-04-01 98.14 2016-05-01 97.61 2016-06-01 96.14 2016-07-01 99.62 2016-08-01 101.05 2016-09-01 99.03 2016-10-01 93.19 2016-11-01 92.03 2016-12-01 97.16 2017-01-01 93.65 2017-02-01 93.89 2017-03-01 90.81 2017-04-01 94.57 2017-05-01 93.40 2017-06-01 93.61 2017-07-01 97.19 2017-08-01 99.35 2017-09-01 97.89 2017-10-01 92.10 2017-11-01 91.57 2017-12-01 97.14 2018-01-01 95.27 2018-02-01 94.22 2018-03-01 95.76 2018-04-01 95.38 2018-05-01 96.66 2018-06-01 98.96 2018-07-01 101.70 2018-08-01 104.52 2018-09-01 103.04 2018-10-01 93.96