Month	Index source base
1991-01-01	57.3
1991-02-01	57.3
1991-03-01	57.5
1991-04-01	58.1
1991-05-01	58.4
1991-06-01	58.6
1991-07-01	60.9
1991-08-01	61.2
1991-09-01	61.5
1991-10-01	61.5
1991-11-01	61.5
1991-12-01	61.4
1992-01-01	61.4
1992-02-01	61.6
1992-03-01	62.3
1992-04-01	62.9
1992-05-01	63.1
1992-06-01	63.3
1992-07-01	63.3
1992-08-01	63.3
1992-09-01	63.3
1992-10-01	63.3
1992-11-01	63.6
1992-12-01	63.6
1993-01-01	64.6
1993-02-01	65.1
1993-03-01	65.6
1993-04-01	65.8
1993-05-01	65.8
1993-06-01	66.1
1993-07-01	66.3
1993-08-01	66.3
1993-09-01	66.1
1993-10-01	66.2
1993-11-01	66.3
1993-12-01	66.1
1994-01-01	67.7
1994-02-01	68.0
1994-03-01	68.0
1994-04-01	68.1
1994-05-01	68.1
1994-06-01	68.2
1994-07-01	68.2
1994-08-01	68.8
1994-09-01	68.4
1994-10-01	68.1
1994-11-01	68.3
1994-12-01	68.4
1995-01-01	68.7
1995-02-01	68.9
1995-03-01	68.9
1995-04-01	69.4
1995-05-01	69.4
1995-06-01	69.8
1995-07-01	69.4
1995-08-01	69.4
1995-09-01	69.7
1995-10-01	69.5
1995-11-01	69.5
1995-12-01	69.8
1996-01-01	70.3
1996-02-01	70.5
1996-03-01	70.6
1996-04-01	71.0
1996-05-01	71.2
1996-06-01	71.0
1996-07-01	71.0
1996-08-01	71.1
1996-09-01	71.4
1996-10-01	71.4
1996-11-01	71.4
1996-12-01	71.4
1997-01-01	71.6
1997-02-01	71.6
1997-03-01	71.9
1997-04-01	71.8
1997-05-01	71.9
1997-06-01	71.9
1997-07-01	72.6
1997-08-01	73.4
1997-09-01	73.2
1997-10-01	73.1
1997-11-01	72.8
1997-12-01	72.8
1998-01-01	72.3
1998-02-01	72.2
1998-03-01	72.2
1998-04-01	72.6
1998-05-01	72.6
1998-06-01	72.8
1998-07-01	73.1
1998-08-01	73.0
1998-09-01	72.8
1998-10-01	72.8
1998-11-01	72.7
1998-12-01	72.6
1999-01-01	72.4
1999-02-01	72.6
1999-03-01	72.8
1999-04-01	74.2
1999-05-01	73.9
1999-06-01	74.6
1999-07-01	75.1
1999-08-01	75.8
1999-09-01	75.8
1999-10-01	76.2
1999-11-01	75.9
1999-12-01	76.5
2000-01-01	77.3
2000-02-01	77.3
2000-03-01	78.2
2000-04-01	77.6
2000-05-01	77.4
2000-06-01	79.1
2000-07-01	79.2
2000-08-01	78.9
2000-09-01	79.8
2000-10-01	79.1
2000-11-01	79.4
2000-12-01	79.0
2001-01-01	79.1
2001-02-01	80.5
2001-03-01	80.5
2001-04-01	81.1
2001-05-01	82.0
2001-06-01	81.5
2001-07-01	80.9
2001-08-01	80.6
2001-09-01	80.8
2001-10-01	79.9
2001-11-01	79.4
2001-12-01	79.6
2002-01-01	80.5
2002-02-01	80.9
2002-03-01	81.7
2002-04-01	82.6
2002-05-01	82.3
2002-06-01	82.3
2002-07-01	82.4
2002-08-01	82.4
2002-09-01	82.6
2002-10-01	82.9
2002-11-01	82.0
2002-12-01	82.3
2003-01-01	83.7
2003-02-01	84.3
2003-03-01	84.4
2003-04-01	83.8
2003-05-01	83.1
2003-06-01	83.6
2003-07-01	83.8
2003-08-01	84.3
2003-09-01	83.9
2003-10-01	83.8
2003-11-01	83.6
2003-12-01	83.7
2004-01-01	84.1
2004-02-01	84.3
2004-03-01	84.6
2004-04-01	85.6
2004-05-01	86.5
2004-06-01	86.0
2004-07-01	86.5
2004-08-01	87.0
2004-09-01	86.4
2004-10-01	87.3
2004-11-01	86.3
2004-12-01	85.6
2005-01-01	86.4
2005-02-01	86.7
2005-03-01	87.7
2005-04-01	88.5
2005-05-01	88.5
2005-06-01	89.0
2005-07-01	90.2
2005-08-01	90.6
2005-09-01	91.8
2005-10-01	91.7
2005-11-01	90.1
2005-12-01	90.2
2006-01-01	91.0
2006-02-01	91.0
2006-03-01	91.0
2006-04-01	92.6
2006-05-01	92.8
2006-06-01	93.4
2006-07-01	93.9
2006-08-01	93.5
2006-09-01	91.5
2006-10-01	91.1
2006-11-01	90.9
2006-12-01	91.1
2007-01-01	92.8
2007-02-01	93.2
2007-03-01	94.3
2007-04-01	95.3
2007-05-01	95.7
2007-06-01	95.8
2007-07-01	96.3
2007-08-01	95.6
2007-09-01	96.0
2007-10-01	95.9
2007-11-01	97.9
2007-12-01	96.7
2008-01-01	97.3
2008-02-01	97.2
2008-03-01	98.6
2008-04-01	98.7
2008-05-01	100.2
2008-06-01	101.2
2008-07-01	102.0
2008-08-01	100.1
2008-09-01	100.3
2008-10-01	98.1
2008-11-01	95.6
2008-12-01	94.0
2009-01-01	94.6
2009-02-01	95.3
2009-03-01	95.0
2009-04-01	96.0
2009-05-01	96.5
2009-06-01	97.7
2009-07-01	97.0
2009-08-01	98.1
2009-09-01	97.2
2009-10-01	97.4
2009-11-01	98.0
2009-12-01	97.9
2010-01-01	98.8
2010-02-01	98.4
2010-03-01	99.9
2010-04-01	100.4
2010-05-01	100.3
2010-06-01	100.4
2010-07-01	100.0
2010-08-01	99.8
2010-09-01	99.9
2010-10-01	100.1
2010-11-01	100.3
2010-12-01	101.7
2011-01-01	102.4
2011-02-01	102.5
2011-03-01	104.2
2011-04-01	105.0
2011-05-01	104.9
2011-06-01	104.5
2011-07-01	105.0
2011-08-01	104.5
2011-09-01	105.3
2011-10-01	105.2
2011-11-01	105.1
2011-12-01	105.1
2012-01-01	105.9
2012-02-01	106.8
2012-03-01	108.2
2012-04-01	108.7
2012-05-01	107.6
2012-06-01	106.6
2012-07-01	107.3
2012-08-01	108.8
2012-09-01	109.5
2012-10-01	108.3
2012-11-01	107.3
2012-12-01	107.1
2013-01-01	107.1
2013-02-01	108.0
2013-03-01	107.0
2013-04-01	107.7
2013-05-01	107.4
2013-06-01	107.4
2013-07-01	108.2
2013-08-01	108.2
2013-09-01	108.2
2013-10-01	107.2
2013-11-01	106.6
2013-12-01	107.2
2014-01-01	106.6
2014-02-01	107.0
2014-03-01	106.8
2014-04-01	107.6
2014-05-01	107.8
2014-06-01	108.3
2014-07-01	108.5
2014-08-01	108.1
2014-09-01	108.0
2014-10-01	107.3
2014-11-01	106.4
2014-12-01	104.7
2015-01-01	103.3
2015-02-01	104.3
2015-03-01	105.7
2015-04-01	106.5
2015-05-01	107.2
2015-06-01	107.0
2015-07-01	107.4
2015-08-01	106.3
2015-09-01	105.0
2015-10-01	104.6
2015-11-01	104.8
2015-12-01	103.7
2016-01-01	102.9
2016-02-01	102.5
2016-03-01	103.0
2016-04-01	103.8
2016-05-01	104.7
2016-06-01	105.5
2016-07-01	105.3
2016-08-01	104.7
2016-09-01	105.2
2016-10-01	105.9
2016-11-01	105.3
2016-12-01	106.4
2017-01-01	107.1
2017-02-01	107.6
2017-03-01	107.2
2017-04-01	107.9
2017-05-01	107.2
2017-06-01	107.0
2017-07-01	107.1
2017-08-01	107.5
2017-09-01	107.9
2017-10-01	107.7
2017-11-01	108.4
2017-12-01	108.6
2018-01-01	108.7
2018-02-01	108.9
2018-03-01	108.5
2018-04-01	109.5
2018-05-01	110.8
2018-06-01	111.4
2018-07-01	111.7
2018-08-01	112.0
2018-09-01	112.9