Month Index source base 1996-01-01 79.21 1996-02-01 79.28 1996-03-01 79.30 1996-04-01 79.37 1996-05-01 79.41 1996-06-01 79.27 1996-07-01 79.23 1996-08-01 79.12 1996-09-01 79.23 1996-10-01 79.25 1996-11-01 79.35 1996-12-01 79.38 1997-01-01 79.03 1997-02-01 79.16 1997-03-01 79.14 1997-04-01 79.07 1997-05-01 79.15 1997-06-01 79.14 1997-07-01 79.18 1997-08-01 79.25 1997-09-01 79.05 1997-10-01 79.28 1997-11-01 79.30 1997-12-01 79.33 1998-01-01 79.61 1998-02-01 79.80 1998-03-01 79.89 1998-04-01 80.06 1998-05-01 80.08 1998-06-01 80.20 1998-07-01 80.15 1998-08-01 80.30 1998-09-01 80.64 1998-10-01 80.80 1998-11-01 80.81 1998-12-01 80.88 1999-01-01 81.48 1999-02-01 81.73 1999-03-01 82.02 1999-04-01 82.09 1999-05-01 82.29 1999-06-01 82.41 1999-07-01 82.48 1999-08-01 82.51 1999-09-01 82.39 1999-10-01 82.47 1999-11-01 82.58 1999-12-01 82.61 2000-01-01 82.65 2000-02-01 82.60 2000-03-01 82.88 2000-04-01 83.20 2000-05-01 83.48 2000-06-01 83.40 2000-07-01 83.79 2000-08-01 83.76 2000-09-01 84.04 2000-10-01 84.41 2000-11-01 84.64 2000-12-01 84.67 2001-01-01 86.34 2001-02-01 87.11 2001-03-01 87.42 2001-04-01 87.68 2001-05-01 87.87 2001-06-01 88.19 2001-07-01 88.43 2001-08-01 88.49 2001-09-01 88.73 2001-10-01 88.90 2001-11-01 88.99 2001-12-01 89.39 2002-01-01 90.23 2002-02-01 90.58 2002-03-01 91.10 2002-04-01 91.54 2002-05-01 91.72 2002-06-01 91.75 2002-07-01 91.75 2002-08-01 91.79 2002-09-01 91.85 2002-10-01 92.00 2002-11-01 92.02 2002-12-01 92.08 2003-01-01 92.65 2003-02-01 93.05 2003-03-01 93.19 2003-04-01 93.23 2003-05-01 93.46 2003-06-01 93.36 2003-07-01 93.17 2003-08-01 93.03 2003-09-01 92.96 2003-10-01 93.03 2003-11-01 92.68 2003-12-01 92.60 2004-01-01 92.60 2004-02-01 92.60 2004-03-01 92.49 2004-04-01 92.54 2004-05-01 92.46 2004-06-01 92.19 2004-07-01 91.99 2004-08-01 92.09 2004-09-01 92.08 2004-10-01 92.01 2004-11-01 92.10 2004-12-01 91.76 2005-01-01 91.74 2005-02-01 91.93 2005-03-01 92.27 2005-04-01 92.18 2005-05-01 92.19 2005-06-01 91.98 2005-07-01 91.87 2005-08-01 91.82 2005-09-01 92.10 2005-10-01 92.04 2005-11-01 91.86 2005-12-01 91.78 2006-01-01 91.68 2006-02-01 91.84 2006-03-01 91.99 2006-04-01 92.34 2006-05-01 92.25 2006-06-01 92.15 2006-07-01 91.99 2006-08-01 91.85 2006-09-01 91.98 2006-10-01 92.08 2006-11-01 92.15 2006-12-01 92.13 2007-01-01 92.25 2007-02-01 92.60 2007-03-01 92.70 2007-04-01 92.96 2007-05-01 93.18 2007-06-01 93.04 2007-07-01 93.05 2007-08-01 93.24 2007-09-01 93.25 2007-10-01 93.55 2007-11-01 93.78 2007-12-01 93.84 2008-01-01 94.11 2008-02-01 94.49 2008-03-01 94.66 2008-04-01 94.86 2008-05-01 95.09 2008-06-01 94.85 2008-07-01 94.80 2008-08-01 95.16 2008-09-01 95.56 2008-10-01 95.78 2008-11-01 95.91 2008-12-01 96.07 2009-01-01 96.15 2009-02-01 96.78 2009-03-01 97.26 2009-04-01 97.52 2009-05-01 97.58 2009-06-01 97.50 2009-07-01 97.32 2009-08-01 97.28 2009-09-01 97.55 2009-10-01 97.71 2009-11-01 98.08 2009-12-01 98.21 2010-01-01 97.81 2010-02-01 98.27 2010-03-01 98.27 2010-04-01 98.22 2010-05-01 98.07 2010-06-01 98.24 2010-07-01 97.94 2010-08-01 98.16 2010-09-01 98.11 2010-10-01 98.31 2010-11-01 98.38 2010-12-01 98.33 2011-01-01 98.47 2011-02-01 99.10 2011-03-01 99.36 2011-04-01 99.78 2011-05-01 99.62 2011-06-01 99.57 2011-07-01 99.42 2011-08-01 99.27 2011-09-01 99.54 2011-10-01 99.72 2011-11-01 99.81 2011-12-01 99.99 2012-01-01 99.53 2012-02-01 99.99 2012-03-01 100.31 2012-04-01 100.04 2012-05-01 100.47 2012-06-01 100.54 2012-07-01 100.44 2012-08-01 100.17 2012-09-01 100.59 2012-10-01 101.61 2012-11-01 101.75 2012-12-01 101.53 2013-01-01 101.41 2013-02-01 101.52 2013-03-01 101.64 2013-04-01 101.42 2013-05-01 101.37 2013-06-01 101.36 2013-07-01 101.21 2013-08-01 100.61 2013-09-01 100.84 2013-10-01 100.73 2013-11-01 101.08 2013-12-01 100.90 2014-01-01 100.36 2014-02-01 100.52 2014-03-01 101.11 2014-04-01 101.10 2014-05-01 101.02 2014-06-01 100.60 2014-07-01 100.58 2014-08-01 99.82 2014-09-01 99.64 2014-10-01 99.89 2014-11-01 99.57 2014-12-01 99.51 2015-01-01 98.93 2015-02-01 99.49 2015-03-01 99.68 2015-04-01 100.11 2015-05-01 99.94 2015-06-01 100.33 2015-07-01 100.35 2015-08-01 100.08 2015-09-01 100.37 2015-10-01 100.10 2015-11-01 100.12 2015-12-01 100.51 2016-01-01 99.92 2016-02-01 100.63 2016-03-01 100.96 2016-04-01 101.48 2016-05-01 101.74 2016-06-01 101.29 2016-07-01 100.85 2016-08-01 100.85 2016-09-01 100.60 2016-10-01 100.73 2016-11-01 101.09 2016-12-01 101.53 2017-01-01 101.17 2017-02-01 101.63 2017-03-01 102.09 2017-04-01 102.06 2017-05-01 101.92 2017-06-01 101.88 2017-07-01 101.31 2017-08-01 101.10 2017-09-01 101.10 2017-10-01 101.10 2017-11-01 101.36 2017-12-01 101.34 2018-01-01 100.67 2018-02-01 101.46 2018-03-01 101.79 2018-04-01 101.83 2018-05-01 101.80 2018-06-01 102.40 2018-07-01 101.54 2018-08-01 101.44 2018-09-01 101.18 2018-10-01 101.69