Month	Index source base
1991-01-01	39.2
1991-02-01	39.4
1991-03-01	39.8
1991-04-01	40.6
1991-05-01	41.5
1991-06-01	41.7
1991-07-01	42.0
1991-08-01	42.1
1991-09-01	42.7
1991-10-01	42.7
1991-11-01	42.7
1991-12-01	42.7
1992-01-01	43.0
1992-02-01	43.9
1992-03-01	43.9
1992-04-01	44.3
1992-05-01	44.3
1992-06-01	44.5
1992-07-01	44.5
1992-08-01	44.9
1992-09-01	45.8
1992-10-01	46.2
1992-11-01	46.4
1992-12-01	46.4
1993-01-01	47.1
1993-02-01	47.8
1993-03-01	47.8
1993-04-01	48.6
1993-05-01	48.7
1993-06-01	48.8
1993-07-01	49.3
1993-08-01	49.9
1993-09-01	51.4
1993-10-01	51.7
1993-11-01	51.7
1993-12-01	51.8
1994-01-01	53.0
1994-02-01	53.9
1994-03-01	53.9
1994-04-01	53.9
1994-05-01	54.2
1994-06-01	54.2
1994-07-01	54.2
1994-08-01	54.6
1994-09-01	55.4
1994-10-01	55.4
1994-11-01	55.4
1994-12-01	55.4
1995-01-01	56.1
1995-02-01	56.2
1995-03-01	56.2
1995-04-01	56.3
1995-05-01	56.3
1995-06-01	56.3
1995-07-01	56.5
1995-08-01	56.7
1995-09-01	57.3
1995-10-01	57.4
1995-11-01	57.4
1995-12-01	57.4
1996-01-01	57.6
1996-02-01	57.9
1996-03-01	58.2
1996-04-01	58.3
1996-05-01	58.5
1996-06-01	58.5
1996-07-01	58.5
1996-08-01	59.2
1996-09-01	59.5
1996-10-01	59.5
1996-11-01	59.5
1996-12-01	59.8
1997-01-01	60.1
1997-02-01	60.3
1997-03-01	60.4
1997-04-01	60.5
1997-05-01	60.7
1997-06-01	60.7
1997-07-01	60.9
1997-08-01	61.2
1997-09-01	62.0
1997-10-01	62.0
1997-11-01	62.0
1997-12-01	62.2
1998-01-01	62.7
1998-02-01	63.4
1998-03-01	63.5
1998-04-01	63.4
1998-05-01	63.5
1998-06-01	63.5
1998-07-01	63.6
1998-08-01	63.9
1998-09-01	64.2
1998-10-01	64.4
1998-11-01	65.7
1998-12-01	65.7
1999-01-01	66.0
1999-02-01	66.4
1999-03-01	66.4
1999-04-01	66.4
1999-05-01	66.4
1999-06-01	66.4
1999-07-01	66.5
1999-08-01	66.4
1999-09-01	66.8
1999-10-01	66.8
1999-11-01	67.1
1999-12-01	67.1
2000-01-01	67.3
2000-02-01	67.5
2000-03-01	67.6
2000-04-01	67.6
2000-05-01	67.4
2000-06-01	67.4
2000-07-01	67.4
2000-08-01	67.7
2000-09-01	68.0
2000-10-01	68.0
2000-11-01	68.1
2000-12-01	68.1
2001-01-01	68.3
2001-02-01	68.4
2001-03-01	68.4
2001-04-01	68.3
2001-05-01	68.4
2001-06-01	68.4
2001-07-01	68.5
2001-08-01	68.5
2001-09-01	68.8
2001-10-01	68.8
2001-11-01	68.8
2001-12-01	68.8
2002-01-01	69.7
2002-02-01	70.0
2002-03-01	70.1
2002-04-01	70.1
2002-05-01	70.1
2002-06-01	70.2
2002-07-01	70.2
2002-08-01	70.5
2002-09-01	70.7
2002-10-01	70.9
2002-11-01	70.9
2002-12-01	70.9
2003-01-01	71.0
2003-02-01	71.0
2003-03-01	71.6
2003-04-01	71.7
2003-05-01	71.8
2003-06-01	71.8
2003-07-01	72.2
2003-08-01	72.0
2003-09-01	72.2
2003-10-01	72.3
2003-11-01	72.4
2003-12-01	72.4
2004-01-01	73.5
2004-02-01	73.7
2004-03-01	73.7
2004-04-01	73.7
2004-05-01	73.7
2004-06-01	73.7
2004-07-01	74.1
2004-08-01	74.2
2004-09-01	74.8
2004-10-01	75.1
2004-11-01	75.1
2004-12-01	75.1
2005-01-01	75.1
2005-02-01	75.4
2005-03-01	75.5
2005-04-01	75.5
2005-05-01	75.5
2005-06-01	75.5
2005-07-01	75.6
2005-08-01	75.6
2005-09-01	75.8
2005-10-01	76.0
2005-11-01	76.0
2005-12-01	76.1
2006-01-01	75.8
2006-02-01	76.1
2006-03-01	76.3
2006-04-01	76.3
2006-05-01	76.4
2006-06-01	76.4
2006-07-01	76.6
2006-08-01	77.1
2006-09-01	77.8
2006-10-01	77.9
2006-11-01	78.0
2006-12-01	78.0
2007-01-01	78.5
2007-02-01	78.5
2007-03-01	78.6
2007-04-01	99.8
2007-05-01	99.9
2007-06-01	99.9
2007-07-01	99.9
2007-08-01	100.6
2007-09-01	100.3
2007-10-01	104.3
2007-11-01	104.3
2007-12-01	104.2
2008-01-01	104.7
2008-02-01	105.4
2008-03-01	105.5
2008-04-01	105.8
2008-05-01	105.9
2008-06-01	105.9
2008-07-01	105.9
2008-08-01	104.1
2008-09-01	103.2
2008-10-01	100.2
2008-11-01	100.2
2008-12-01	100.2
2009-01-01	100.4
2009-02-01	100.5
2009-03-01	100.2
2009-04-01	100.1
2009-05-01	100.2
2009-06-01	100.3
2009-07-01	100.3
2009-08-01	98.8
2009-09-01	98.6
2009-10-01	98.7
2009-11-01	99.0
2009-12-01	99.0
2010-01-01	99.7
2010-02-01	99.9
2010-03-01	99.9
2010-04-01	99.5
2010-05-01	99.5
2010-06-01	99.6
2010-07-01	99.6
2010-08-01	100.1
2010-09-01	100.5
2010-10-01	100.5
2010-11-01	100.5
2010-12-01	100.5
2011-01-01	100.7
2011-02-01	100.9
2011-03-01	101.2
2011-04-01	101.2
2011-05-01	101.1
2011-06-01	101.2
2011-07-01	101.2
2011-08-01	100.3
2011-09-01	100.7
2011-10-01	95.5
2011-11-01	95.5
2011-12-01	95.5
2012-01-01	96.1
2012-02-01	96.2
2012-03-01	96.5
2012-04-01	92.8
2012-05-01	93.0
2012-06-01	93.1
2012-07-01	93.1
2012-08-01	93.2
2012-09-01	93.9
2012-10-01	93.3
2012-11-01	93.3
2012-12-01	93.4
2013-01-01	95.7
2013-02-01	95.8
2013-03-01	95.9
2013-04-01	96.0
2013-05-01	96.0
2013-06-01	96.1
2013-07-01	96.1
2013-08-01	96.2
2013-09-01	96.7
2013-10-01	92.3
2013-11-01	92.3
2013-12-01	92.3
2014-01-01	93.0
2014-02-01	93.2
2014-03-01	93.3
2014-04-01	93.4
2014-05-01	93.4
2014-06-01	93.4
2014-07-01	93.5
2014-08-01	93.5
2014-09-01	94.2
2014-10-01	92.1
2014-11-01	92.1
2014-12-01	92.3
2015-01-01	92.5
2015-02-01	92.6
2015-03-01	92.7
2015-04-01	92.6
2015-05-01	92.7
2015-06-01	92.7
2015-07-01	92.7
2015-08-01	92.5
2015-09-01	93.0
2015-10-01	93.1
2015-11-01	93.2
2015-12-01	93.2
2016-01-01	94.0
2016-02-01	94.1
2016-03-01	94.2
2016-04-01	94.3
2016-05-01	94.3
2016-06-01	94.4
2016-07-01	94.4
2016-08-01	94.6
2016-09-01	95.1
2016-10-01	94.6
2016-11-01	94.6
2016-12-01	94.6
2017-01-01	95.1
2017-02-01	95.2
2017-03-01	95.2
2017-04-01	95.2
2017-05-01	95.3
2017-06-01	95.3
2017-07-01	95.3
2017-08-01	95.3
2017-09-01	96.0
2017-10-01	96.2
2017-11-01	96.2
2017-12-01	96.2
2018-01-01	97.7
2018-02-01	97.8
2018-03-01	97.9
2018-04-01	98.1
2018-05-01	98.1
2018-06-01	98.1
2018-07-01	98.0
2018-08-01	91.6
2018-09-01	93.3