Month	Index source base
1979-01-01	17.1
1979-02-01	17.1
1979-03-01	17.1
1979-04-01	17.1
1979-05-01	17.1
1979-06-01	17.2
1979-07-01	17.2
1979-08-01	17.2
1979-09-01	17.3
1979-10-01	17.3
1979-11-01	17.3
1979-12-01	17.3
1980-01-01	17.5
1980-02-01	17.7
1980-03-01	17.6
1980-04-01	17.8
1980-05-01	18.1
1980-06-01	18.5
1980-07-01	18.8
1980-08-01	19.0
1980-09-01	19.2
1980-10-01	19.2
1980-11-01	19.3
1980-12-01	19.3
1981-01-01	21.1
1981-02-01	21.2
1981-03-01	21.3
1981-04-01	21.3
1981-05-01	21.5
1981-06-01	21.9
1981-07-01	22.7
1981-08-01	23.5
1981-09-01	23.7
1981-10-01	23.9
1981-11-01	23.9
1981-12-01	23.9
1982-01-01	25.2
1982-02-01	25.8
1982-03-01	25.8
1982-04-01	26.2
1982-05-01	26.3
1982-06-01	26.9
1982-07-01	27.8
1982-08-01	27.8
1982-09-01	27.9
1982-10-01	28.2
1982-11-01	28.7
1982-12-01	28.8
1983-01-01	29.3
1983-02-01	29.3
1983-03-01	29.4
1983-04-01	29.6
1983-05-01	29.7
1983-06-01	30.3
1983-07-01	30.3
1983-08-01	30.3
1983-09-01	30.5
1983-10-01	30.6
1983-11-01	30.6
1983-12-01	30.8
1984-01-01	31.1
1984-02-01	31.1
1984-03-01	31.4
1984-04-01	31.4
1984-05-01	31.4
1984-06-01	31.8
1984-07-01	32.2
1984-08-01	32.2
1984-09-01	32.2
1984-10-01	32.4
1984-11-01	32.4
1984-12-01	32.5
1985-01-01	32.7
1985-02-01	32.7
1985-03-01	32.7
1985-04-01	33.0
1985-05-01	33.0
1985-06-01	33.4
1985-07-01	33.6
1985-08-01	34.0
1985-09-01	34.1
1985-10-01	34.3
1985-11-01	34.2
1985-12-01	34.4
1986-01-01	34.8
1986-02-01	34.8
1986-03-01	34.8
1986-04-01	35.5
1986-05-01	35.4
1986-06-01	36.2
1986-07-01	37.3
1986-08-01	37.3
1986-09-01	37.3
1986-10-01	37.8
1986-11-01	37.8
1986-12-01	37.9
1987-01-01	38.9
1987-02-01	38.9
1987-03-01	39.4
1987-04-01	39.4
1987-05-01	39.5
1987-06-01	39.9
1987-07-01	39.9
1987-08-01	39.9
1987-09-01	40.1
1987-10-01	40.4
1987-11-01	40.4
1987-12-01	40.6
1988-01-01	41.5
1988-02-01	41.5
1988-03-01	41.5
1988-04-01	41.9
1988-05-01	41.9
1988-06-01	42.5
1988-07-01	42.6
1988-08-01	42.7
1988-09-01	42.7
1988-10-01	43.0
1988-11-01	43.0
1988-12-01	43.0
1989-01-01	43.7
1989-02-01	43.7
1989-03-01	43.7
1989-04-01	43.9
1989-05-01	43.9
1989-06-01	44.3
1989-07-01	44.6
1989-08-01	44.6
1989-09-01	44.6
1989-10-01	44.6
1989-11-01	44.6
1989-12-01	44.6
1990-01-01	44.9
1990-02-01	45.0
1990-03-01	44.9
1990-04-01	45.2
1990-05-01	45.2
1990-06-01	45.4
1990-07-01	46.0
1990-08-01	46.0
1990-09-01	46.0
1990-10-01	46.8
1990-11-01	46.8
1990-12-01	46.8
1991-01-01	47.2
1991-02-01	47.2
1991-03-01	47.2
1991-04-01	47.5
1991-05-01	47.5
1991-06-01	47.8
1991-07-01	48.3
1991-08-01	48.3
1991-09-01	48.3
1991-10-01	48.4
1991-11-01	48.4
1991-12-01	48.4
1992-01-01	48.8
1992-02-01	48.8
1992-03-01	48.8
1992-04-01	49.4
1992-05-01	49.4
1992-06-01	49.7
1992-07-01	50.0
1992-08-01	50.0
1992-09-01	50.0
1992-10-01	50.2
1992-11-01	50.2
1992-12-01	50.2
1993-01-01	51.0
1993-02-01	51.2
1993-03-01	51.2
1993-04-01	51.4
1993-05-01	51.5
1993-06-01	51.6
1993-07-01	51.7
1993-08-01	51.8
1993-09-01	51.8
1993-10-01	51.8
1993-11-01	51.8
1993-12-01	51.9
1994-01-01	51.9
1994-02-01	52.0
1994-03-01	51.9
1994-04-01	51.9
1994-05-01	52.0
1994-06-01	52.1
1994-07-01	52.1
1994-08-01	52.1
1994-09-01	52.2
1994-10-01	52.3
1994-11-01	52.4
1994-12-01	52.4
1995-01-01	52.5
1995-02-01	52.4
1995-03-01	52.4
1995-04-01	52.5
1995-05-01	52.7
1995-06-01	52.9
1995-07-01	53.0
1995-08-01	53.2
1995-09-01	53.4
1995-10-01	53.4
1995-11-01	53.5
1995-12-01	53.6
1996-01-01	53.5
1996-02-01	53.5
1996-03-01	53.6
1996-04-01	53.6
1996-05-01	53.8
1996-06-01	54.0
1996-07-01	54.3
1996-08-01	54.3
1996-09-01	54.4
1996-10-01	54.5
1996-11-01	54.6
1996-12-01	54.7
1997-01-01	54.8
1997-02-01	54.9
1997-03-01	55.0
1997-04-01	55.0
1997-05-01	55.1
1997-06-01	55.6
1997-07-01	55.7
1997-08-01	55.7
1997-09-01	55.7
1997-10-01	56.0
1997-11-01	56.0
1997-12-01	56.1
1998-01-01	56.6
1998-02-01	56.9
1998-03-01	57.0
1998-04-01	57.1
1998-05-01	57.5
1998-06-01	58.0
1998-07-01	58.2
1998-08-01	58.4
1998-09-01	58.9
1998-10-01	58.9
1998-11-01	59.0
1998-12-01	59.1
1999-01-01	59.6
1999-02-01	59.7
1999-03-01	59.8
1999-04-01	59.8
1999-05-01	59.8
1999-06-01	59.9
1999-07-01	59.3
1999-08-01	59.6
1999-09-01	60.1
1999-10-01	60.4
1999-11-01	60.5
1999-12-01	60.5
2000-01-01	61.2
2000-02-01	61.3
2000-03-01	61.1
2000-04-01	61.3
2000-05-01	61.3
2000-06-01	61.8
2000-07-01	61.8
2000-08-01	62.2
2000-09-01	62.4
2000-10-01	62.6
2000-11-01	62.7
2000-12-01	62.7
2001-01-01	63.5
2001-02-01	63.6
2001-03-01	63.8
2001-04-01	63.9
2001-05-01	64.1
2001-06-01	64.5
2001-07-01	64.5
2001-08-01	64.9
2001-09-01	65.4
2001-10-01	65.5
2001-11-01	65.5
2001-12-01	65.7
2002-01-01	66.4
2002-02-01	66.5
2002-03-01	66.7
2002-04-01	66.7
2002-05-01	67.0
2002-06-01	67.5
2002-07-01	66.9
2002-08-01	67.5
2002-09-01	68.0
2002-10-01	68.0
2002-11-01	68.0
2002-12-01	68.2
2003-01-01	68.5
2003-02-01	68.6
2003-03-01	68.8
2003-04-01	69.1
2003-05-01	69.1
2003-06-01	69.4
2003-07-01	69.1
2003-08-01	69.4
2003-09-01	69.6
2003-10-01	69.5
2003-11-01	70.1
2003-12-01	70.1
2004-01-01	70.5
2004-02-01	70.7
2004-03-01	70.8
2004-04-01	70.6
2004-05-01	70.8
2004-06-01	70.8
2004-07-01	70.5
2004-08-01	70.8
2004-09-01	71.1
2004-10-01	71.3
2004-11-01	71.3
2004-12-01	71.2
2005-01-01	71.7
2005-02-01	71.9
2005-03-01	72.0
2005-04-01	72.0
2005-05-01	72.1
2005-06-01	72.1
2005-07-01	71.4
2005-08-01	71.8
2005-09-01	71.9
2005-10-01	72.6
2005-11-01	72.7
2005-12-01	72.7
2006-01-01	73.5
2006-02-01	73.8
2006-03-01	73.7
2006-04-01	73.8
2006-05-01	73.8
2006-06-01	74.3
2006-07-01	73.5
2006-08-01	74.3
2006-09-01	75.2
2006-10-01	75.4
2006-11-01	75.6
2006-12-01	75.6
2007-01-01	74.9
2007-02-01	76.6
2007-03-01	76.8
2007-04-01	76.9
2007-05-01	77.1
2007-06-01	77.4
2007-07-01	77.0
2007-08-01	78.2
2007-09-01	78.6
2007-10-01	78.7
2007-11-01	79.0
2007-12-01	79.3
2008-01-01	79.8
2008-02-01	80.2
2008-03-01	80.4
2008-04-01	80.8
2008-05-01	81.2
2008-06-01	81.7
2008-07-01	80.6
2008-08-01	81.9
2008-09-01	82.7
2008-10-01	83.1
2008-11-01	83.0
2008-12-01	82.6
2009-01-01	83.6
2009-02-01	83.5
2009-03-01	83.7
2009-04-01	83.7
2009-05-01	84.1
2009-06-01	85.1
2009-07-01	83.8
2009-08-01	85.0
2009-09-01	85.3
2009-10-01	85.4
2009-11-01	85.6
2009-12-01	85.5
2010-01-01	85.8
2010-02-01	86.2
2010-03-01	86.5
2010-04-01	87.0
2010-05-01	86.9
2010-06-01	87.5
2010-07-01	86.5
2010-08-01	87.3
2010-09-01	88.0
2010-10-01	88.0
2010-11-01	88.0
2010-12-01	87.8
2011-01-01	88.4
2011-02-01	88.5
2011-03-01	88.9
2011-04-01	89.1
2011-05-01	89.5
2011-06-01	89.6
2011-07-01	89.4
2011-08-01	90.0
2011-09-01	90.5
2011-10-01	90.6
2011-11-01	90.9
2011-12-01	90.7
2012-01-01	90.8
2012-02-01	91.3
2012-03-01	91.6
2012-04-01	92.0
2012-05-01	92.5
2012-06-01	93.0
2012-07-01	92.2
2012-08-01	92.9
2012-09-01	93.3
2012-10-01	93.5
2012-11-01	93.6
2012-12-01	93.7
2013-01-01	93.9
2013-02-01	94.4
2013-03-01	94.8
2013-04-01	94.8
2013-05-01	95.1
2013-06-01	95.4
2013-07-01	94.7
2013-08-01	95.4
2013-09-01	95.8
2013-10-01	95.9
2013-11-01	96.2
2013-12-01	96.3
2014-01-01	96.7
2014-02-01	96.9
2014-03-01	97.0
2014-04-01	97.1
2014-05-01	97.6
2014-06-01	97.8
2014-07-01	97.2
2014-08-01	97.5
2014-09-01	98.0
2014-10-01	98.2
2014-11-01	98.5
2014-12-01	98.5
2015-01-01	98.8
2015-02-01	99.2
2015-03-01	99.3
2015-04-01	99.4
2015-05-01	99.8
2015-06-01	99.9
2015-07-01	99.9
2015-08-01	100.0
2015-09-01	100.4
2015-10-01	100.9
2015-11-01	101.2
2015-12-01	101.2
2016-01-01	101.5
2016-02-01	102.0
2016-03-01	102.5
2016-04-01	102.6
2016-05-01	102.9
2016-06-01	103.3
2016-07-01	103.2
2016-08-01	103.8
2016-09-01	103.9
2016-10-01	104.1
2016-11-01	104.7
2016-12-01	104.9
2017-01-01	105.5
2017-02-01	106.3
2017-03-01	106.2
2017-04-01	106.7
2017-05-01	106.7
2017-06-01	107.3
2017-07-01	107.0
2017-08-01	107.5
2017-09-01	107.3
2017-10-01	107.4
2017-11-01	107.9
2017-12-01	107.7
2018-01-01	108.0
2018-02-01	108.6
2018-03-01	107.9
2018-04-01	109.4
2018-05-01	109.5
2018-06-01	110.4
2018-07-01	110.2
2018-08-01	111.0
2018-09-01	111.1
2018-10-01	111.1