Month	Index source base
1979-01-01	21.0
1979-02-01	21.2
1979-03-01	21.4
1979-04-01	21.5
1979-05-01	21.8
1979-06-01	21.8
1979-07-01	21.9
1979-08-01	22.0
1979-09-01	22.1
1979-10-01	22.5
1979-11-01	22.6
1979-12-01	22.7
1980-01-01	23.5
1980-02-01	23.7
1980-03-01	24.1
1980-04-01	24.1
1980-05-01	24.6
1980-06-01	24.7
1980-07-01	25.2
1980-08-01	25.4
1980-09-01	25.5
1980-10-01	25.7
1980-11-01	25.8
1980-12-01	25.9
1981-01-01	26.8
1981-02-01	27.1
1981-03-01	27.7
1981-04-01	27.8
1981-05-01	27.9
1981-06-01	28.3
1981-07-01	28.4
1981-08-01	28.5
1981-09-01	28.6
1981-10-01	28.6
1981-11-01	28.8
1981-12-01	28.9
1982-01-01	30.0
1982-02-01	29.9
1982-03-01	30.0
1982-04-01	30.0
1982-05-01	30.0
1982-06-01	30.1
1982-07-01	30.6
1982-08-01	30.8
1982-09-01	31.1
1982-10-01	31.4
1982-11-01	31.7
1982-12-01	31.7
1983-01-01	32.8
1983-02-01	33.0
1983-03-01	32.7
1983-04-01	33.0
1983-05-01	33.1
1983-06-01	33.1
1983-07-01	33.4
1983-08-01	33.5
1983-09-01	33.8
1983-10-01	34.1
1983-11-01	34.0
1983-12-01	34.5
1984-01-01	35.0
1984-02-01	35.1
1984-03-01	35.2
1984-04-01	35.3
1984-05-01	35.4
1984-06-01	35.6
1984-07-01	35.5
1984-08-01	35.6
1984-09-01	35.8
1984-10-01	36.0
1984-11-01	36.0
1984-12-01	36.2
1985-01-01	36.8
1985-02-01	36.7
1985-03-01	36.9
1985-04-01	36.9
1985-05-01	37.0
1985-06-01	37.1
1985-07-01	37.2
1985-08-01	37.1
1985-09-01	37.1
1985-10-01	37.2
1985-11-01	37.4
1985-12-01	37.4
1986-01-01	37.8
1986-02-01	37.5
1986-03-01	37.2
1986-04-01	37.5
1986-05-01	37.2
1986-06-01	38.7
1986-07-01	39.6
1986-08-01	39.9
1986-09-01	40.1
1986-10-01	40.4
1986-11-01	40.5
1986-12-01	40.8
1987-01-01	42.1
1987-02-01	42.5
1987-03-01	42.8
1987-04-01	43.0
1987-05-01	43.0
1987-06-01	43.2
1987-07-01	43.3
1987-08-01	43.7
1987-09-01	44.1
1987-10-01	44.0
1987-11-01	44.0
1987-12-01	44.2
1988-01-01	45.6
1988-02-01	45.9
1988-03-01	46.1
1988-04-01	46.1
1988-05-01	46.3
1988-06-01	46.4
1988-07-01	46.5
1988-08-01	46.5
1988-09-01	47.1
1988-10-01	47.0
1988-11-01	47.1
1988-12-01	47.1
1989-01-01	48.0
1989-02-01	48.2
1989-03-01	48.3
1989-04-01	48.6
1989-05-01	49.1
1989-06-01	49.4
1989-07-01	49.4
1989-08-01	49.2
1989-09-01	49.1
1989-10-01	49.1
1989-11-01	49.2
1989-12-01	49.3
1990-01-01	50.1
1990-02-01	50.4
1990-03-01	50.5
1990-04-01	49.8
1990-05-01	50.5
1990-06-01	50.5
1990-07-01	50.5
1990-08-01	50.9
1990-09-01	51.6
1990-10-01	52.8
1990-11-01	52.6
1990-12-01	52.0
1991-01-01	53.8
1991-02-01	53.7
1991-03-01	53.5
1991-04-01	53.7
1991-05-01	54.0
1991-06-01	54.0
1991-07-01	54.3
1991-08-01	54.2
1991-09-01	54.3
1991-10-01	54.3
1991-11-01	54.3
1991-12-01	54.1
1992-01-01	55.1
1992-02-01	55.1
1992-03-01	55.4
1992-04-01	55.5
1992-05-01	55.6
1992-06-01	55.7
1992-07-01	56.0
1992-08-01	56.2
1992-09-01	56.1
1992-10-01	56.4
1992-11-01	56.5
1992-12-01	56.5
1993-01-01	57.7
1993-02-01	58.0
1993-03-01	58.3
1993-04-01	58.4
1993-05-01	58.5
1993-06-01	58.5
1993-07-01	58.8
1993-08-01	58.8
1993-09-01	58.9
1993-10-01	59.0
1993-11-01	59.0
1993-12-01	58.8
1994-01-01	59.2
1994-02-01	59.4
1994-03-01	59.5
1994-04-01	59.2
1994-05-01	59.3
1994-06-01	59.5
1994-07-01	60.2
1994-08-01	60.5
1994-09-01	60.5
1994-10-01	60.4
1994-11-01	60.6
1994-12-01	60.5
1995-01-01	61.8
1995-02-01	62.0
1995-03-01	62.0
1995-04-01	62.1
1995-05-01	62.5
1995-06-01	62.7
1995-07-01	62.6
1995-08-01	62.6
1995-09-01	62.7
1995-10-01	62.5
1995-11-01	62.7
1995-12-01	62.6
1996-01-01	62.2
1996-02-01	62.2
1996-03-01	62.6
1996-04-01	63.0
1996-05-01	63.2
1996-06-01	62.8
1996-07-01	62.5
1996-08-01	62.6
1996-09-01	62.2
1996-10-01	62.7
1996-11-01	62.6
1996-12-01	62.3
1997-01-01	63.9
1997-02-01	64.1
1997-03-01	64.3
1997-04-01	64.3
1997-05-01	65.2
1997-06-01	64.8
1997-07-01	65.0
1997-08-01	65.1
1997-09-01	65.1
1997-10-01	65.3
1997-11-01	65.7
1997-12-01	65.7
1998-01-01	66.1
1998-02-01	65.9
1998-03-01	66.1
1998-04-01	66.1
1998-05-01	66.2
1998-06-01	66.2
1998-07-01	66.5
1998-08-01	66.2
1998-09-01	66.7
1998-10-01	66.3
1998-11-01	66.2
1998-12-01	66.2
1999-01-01	67.5
1999-02-01	67.4
1999-03-01	67.6
1999-04-01	68.2
1999-05-01	68.0
1999-06-01	67.7
1999-07-01	68.0
1999-08-01	68.4
1999-09-01	68.5
1999-10-01	68.6
1999-11-01	68.5
1999-12-01	69.0
2000-01-01	69.9
2000-02-01	70.5
2000-03-01	71.4
2000-04-01	71.4
2000-05-01	71.7
2000-06-01	72.7
2000-07-01	72.6
2000-08-01	72.2
2000-09-01	72.6
2000-10-01	72.4
2000-11-01	72.5
2000-12-01	72.0
2001-01-01	73.1
2001-02-01	73.6
2001-03-01	73.7
2001-04-01	74.4
2001-05-01	75.2
2001-06-01	74.6
2001-07-01	73.9
2001-08-01	73.9
2001-09-01	74.1
2001-10-01	73.6
2001-11-01	73.3
2001-12-01	73.3
2002-01-01	74.3
2002-02-01	74.4
2002-03-01	74.8
2002-04-01	75.1
2002-05-01	74.8
2002-06-01	74.4
2002-07-01	74.5
2002-08-01	74.6
2002-09-01	74.9
2002-10-01	74.8
2002-11-01	74.6
2002-12-01	74.7
2003-01-01	75.6
2003-02-01	76.3
2003-03-01	76.3
2003-04-01	75.9
2003-05-01	75.0
2003-06-01	75.1
2003-07-01	75.5
2003-08-01	75.8
2003-09-01	75.6
2003-10-01	75.3
2003-11-01	74.8
2003-12-01	74.3
2004-01-01	74.9
2004-02-01	75.5
2004-03-01	76.4
2004-04-01	76.2
2004-05-01	76.5
2004-06-01	76.9
2004-07-01	77.3
2004-08-01	77.4
2004-09-01	77.0
2004-10-01	77.7
2004-11-01	77.3
2004-12-01	77.1
2005-01-01	78.2
2005-02-01	78.5
2005-03-01	78.9
2005-04-01	80.0
2005-05-01	80.0
2005-06-01	80.1
2005-07-01	80.8
2005-08-01	80.8
2005-09-01	81.3
2005-10-01	81.0
2005-11-01	80.3
2005-12-01	80.5
2006-01-01	81.6
2006-02-01	81.7
2006-03-01	81.8
2006-04-01	82.6
2006-05-01	82.9
2006-06-01	83.0
2006-07-01	83.9
2006-08-01	83.9
2006-09-01	83.0
2006-10-01	82.6
2006-11-01	82.4
2006-12-01	82.5
2007-01-01	82.7
2007-02-01	83.0
2007-03-01	83.4
2007-04-01	84.0
2007-05-01	84.5
2007-06-01	84.5
2007-07-01	84.9
2007-08-01	84.4
2007-09-01	84.9
2007-10-01	84.5
2007-11-01	85.1
2007-12-01	85.0
2008-01-01	85.7
2008-02-01	86.4
2008-03-01	87.7
2008-04-01	86.5
2008-05-01	86.9
2008-06-01	88.3
2008-07-01	88.9
2008-08-01	88.3
2008-09-01	89.2
2008-10-01	88.7
2008-11-01	87.3
2008-12-01	86.9
2009-01-01	87.3
2009-02-01	87.9
2009-03-01	87.6
2009-04-01	88.1
2009-05-01	88.4
2009-06-01	90.8
2009-07-01	89.4
2009-08-01	89.5
2009-09-01	90.1
2009-10-01	89.0
2009-11-01	89.2
2009-12-01	89.6
2010-01-01	89.6
2010-02-01	90.5
2010-03-01	90.9
2010-04-01	90.7
2010-05-01	90.8
2010-06-01	92.2
2010-07-01	90.8
2010-08-01	90.1
2010-09-01	90.5
2010-10-01	90.3
2010-11-01	90.8
2010-12-01	91.7
2011-01-01	91.0
2011-02-01	92.1
2011-03-01	92.3
2011-04-01	95.7
2011-05-01	93.8
2011-06-01	94.2
2011-07-01	93.6
2011-08-01	92.3
2011-09-01	93.3
2011-10-01	92.4
2011-11-01	91.8
2011-12-01	92.7
2012-01-01	93.4
2012-02-01	94.5
2012-03-01	95.3
2012-04-01	95.4
2012-05-01	95.5
2012-06-01	95.2
2012-07-01	96.7
2012-08-01	95.0
2012-09-01	96.4
2012-10-01	95.8
2012-11-01	94.6
2012-12-01	94.7
2013-01-01	95.2
2013-02-01	96.5
2013-03-01	96.5
2013-04-01	95.9
2013-05-01	97.0
2013-06-01	96.4
2013-07-01	97.3
2013-08-01	97.2
2013-09-01	97.2
2013-10-01	96.6
2013-11-01	96.0
2013-12-01	96.5
2014-01-01	96.7
2014-02-01	97.9
2014-03-01	98.0
2014-04-01	99.2
2014-05-01	99.0
2014-06-01	98.4
2014-07-01	99.7
2014-08-01	99.7
2014-09-01	99.6
2014-10-01	99.5
2014-11-01	98.8
2014-12-01	98.4
2015-01-01	98.6
2015-02-01	98.6
2015-03-01	99.4
2015-04-01	99.3
2015-05-01	100.0
2015-06-01	102.0
2015-07-01	101.8
2015-08-01	100.5
2015-09-01	100.1
2015-10-01	100.3
2015-11-01	99.7
2015-12-01	99.8
2016-01-01	100.1
2016-02-01	100.8
2016-03-01	103.3
2016-04-01	101.3
2016-05-01	103.0
2016-06-01	104.0
2016-07-01	105.1
2016-08-01	102.5
2016-09-01	102.6
2016-10-01	102.6
2016-11-01	102.3
2016-12-01	102.5
2017-01-01	104.2
2017-02-01	103.5
2017-03-01	103.8
2017-04-01	104.9
2017-05-01	104.0
2017-06-01	106.3
2017-07-01	107.5
2017-08-01	105.2
2017-09-01	105.5
2017-10-01	105.6
2017-11-01	104.8
2017-12-01	105.7
2018-01-01	105.9
2018-02-01	107.3
2018-03-01	107.2
2018-04-01	108.0
2018-05-01	108.7
2018-06-01	109.9
2018-07-01	111.4
2018-08-01	109.2
2018-09-01	109.2
2018-10-01	109.5