Month Index 2015=100 1996-12-01 4.70 1997-01-01 5.76 1997-02-01 16.36 1997-03-01 25.23 1997-04-01 27.07 1997-05-01 29.70 1997-06-01 30.39 1997-07-01 29.43 1997-08-01 29.17 1997-09-01 30.21 1997-10-01 31.17 1997-11-01 31.91 1997-12-01 33.07 1998-01-01 34.49 1998-02-01 35.01 1998-03-01 35.10 1998-04-01 34.58 1998-05-01 34.92 1998-06-01 35.77 1998-07-01 36.73 1998-08-01 37.01 1998-09-01 38.50 1998-10-01 39.23 1998-11-01 39.54 1998-12-01 45.49 1999-01-01 46.83 1999-02-01 47.46 1999-03-01 47.46 1999-04-01 47.61 1999-05-01 51.20 1999-06-01 51.68 1999-07-01 56.08 1999-08-01 56.15 1999-09-01 56.55 1999-10-01 56.36 1999-11-01 56.38 1999-12-01 56.38 2000-01-01 57.75 2000-02-01 58.08 2000-03-01 59.25 2000-04-01 59.25 2000-05-01 59.76 2000-06-01 59.34 2000-07-01 59.34 2000-08-01 59.34 2000-09-01 59.37 2000-10-01 60.07 2000-11-01 61.40 2000-12-01 60.61 2001-01-01 62.40 2001-02-01 63.02 2001-03-01 63.71 2001-04-01 63.93 2001-05-01 63.54 2001-06-01 64.19 2001-07-01 64.48 2001-08-01 64.59 2001-09-01 64.59 2001-10-01 65.09 2001-11-01 65.09 2001-12-01 65.70 2002-01-01 65.76 2002-02-01 65.91 2002-03-01 65.91 2002-04-01 65.91 2002-05-01 65.44 2002-06-01 65.44 2002-07-01 66.13 2002-08-01 66.13 2002-09-01 66.61 2002-10-01 65.99 2002-11-01 65.62 2002-12-01 66.33 2003-01-01 66.42 2003-02-01 66.42 2003-03-01 66.50 2003-04-01 66.50 2003-05-01 66.81 2003-06-01 65.21 2003-07-01 64.84 2003-08-01 64.73 2003-09-01 64.57 2003-10-01 64.47 2003-11-01 64.47 2003-12-01 64.59 2004-01-01 64.77 2004-02-01 64.77 2004-03-01 64.77 2004-04-01 64.08 2004-05-01 64.27 2004-06-01 63.43 2004-07-01 63.43 2004-08-01 63.43 2004-09-01 64.17 2004-10-01 64.17 2004-11-01 64.28 2004-12-01 64.28 2005-01-01 64.28 2005-02-01 64.34 2005-03-01 64.34 2005-04-01 64.32 2005-05-01 65.21 2005-06-01 65.21 2005-07-01 65.21 2005-08-01 64.71 2005-09-01 65.42 2005-10-01 66.17 2005-11-01 67.00 2005-12-01 68.40 2006-01-01 68.20 2006-02-01 68.61 2006-03-01 68.69 2006-04-01 68.69 2006-05-01 69.11 2006-06-01 69.41 2006-07-01 70.01 2006-08-01 70.89 2006-09-01 71.02 2006-10-01 70.39 2006-11-01 70.39 2006-12-01 70.39 2007-01-01 70.39 2007-02-01 71.57 2007-03-01 72.39 2007-04-01 73.21 2007-05-01 73.30 2007-06-01 72.65 2007-07-01 72.65 2007-08-01 73.33 2007-09-01 74.19 2007-10-01 74.67 2007-11-01 75.96 2007-12-01 78.02 2008-01-01 79.39 2008-02-01 79.95 2008-03-01 79.56 2008-04-01 79.56 2008-05-01 80.76 2008-06-01 81.36 2008-07-01 81.83 2008-08-01 82.96 2008-09-01 86.27 2008-10-01 88.08 2008-11-01 89.02 2008-12-01 88.59 2009-01-01 88.59 2009-02-01 89.37 2009-03-01 89.42 2009-04-01 89.42 2009-05-01 89.42 2009-06-01 89.45 2009-07-01 89.86 2009-08-01 89.59 2009-09-01 89.47 2009-10-01 91.79 2009-11-01 91.87 2009-12-01 92.18 2010-01-01 93.54 2010-02-01 93.79 2010-03-01 93.79 2010-04-01 93.79 2010-05-01 93.79 2010-06-01 93.87 2010-07-01 93.87 2010-08-01 93.87 2010-09-01 93.87 2010-10-01 92.80 2010-11-01 93.28 2010-12-01 93.36 2011-01-01 93.36 2011-02-01 93.36 2011-03-01 94.02 2011-04-01 94.02 2011-05-01 93.69 2011-06-01 93.69 2011-07-01 93.69 2011-08-01 93.39 2011-09-01 93.78 2011-10-01 94.89 2011-11-01 95.33 2011-12-01 95.33 2012-01-01 95.33 2012-02-01 95.33 2012-03-01 96.49 2012-04-01 96.26 2012-05-01 97.63 2012-06-01 97.79 2012-07-01 98.93 2012-08-01 99.45 2012-09-01 98.93 2012-10-01 98.93 2012-11-01 98.93 2012-12-01 98.93 2013-01-01 98.93 2013-02-01 98.93 2013-03-01 98.93 2013-04-01 100.81 2013-05-01 100.54 2013-06-01 100.13 2013-07-01 100.13 2013-08-01 100.13 2013-09-01 100.54 2013-10-01 100.54 2013-11-01 100.54 2013-12-01 100.54 2014-01-01 100.54 2014-02-01 100.54 2014-03-01 100.54 2014-04-01 100.54 2014-05-01 99.67 2014-06-01 99.72 2014-07-01 99.72 2014-08-01 99.72 2014-09-01 99.72 2014-10-01 99.72 2014-11-01 99.72 2014-12-01 100.05 2015-01-01 100.05 2015-02-01 100.05 2015-03-01 100.05 2015-04-01 99.61 2015-05-01 100.08 2015-06-01 100.02 2015-07-01 100.02 2015-08-01 100.02 2015-09-01 100.02 2015-10-01 100.02 2015-11-01 100.02 2015-12-01 100.02 2016-01-01 100.02 2016-02-01 100.81 2016-03-01 100.81 2016-04-01 103.49 2016-05-01 105.87 2016-06-01 105.83 2016-07-01 106.35 2016-08-01 107.78 2016-09-01 108.02 2016-10-01 108.02 2016-11-01 108.02 2016-12-01 108.02 2017-01-01 108.02 2017-02-01 108.02 2017-03-01 108.02 2017-04-01 108.80 2017-05-01 109.42 2017-06-01 111.39 2017-07-01 111.39 2017-08-01 111.39 2017-09-01 111.14 2017-10-01 111.14 2017-11-01 111.14 2017-12-01 111.14 2018-01-01 111.20 2018-02-01 110.95 2018-03-01 110.96 2018-04-01 112.21 2018-05-01 111.69 2018-06-01 111.95 2018-07-01 112.41 2018-08-01 113.08 2018-09-01 113.48 2018-10-01 113.70