Quarter	Index source base
1972-07-01	5.7
1972-10-01	5.7
1973-01-01	5.8
1973-04-01	6.0
1973-07-01	6.0
1973-10-01	6.4
1974-01-01	6.4
1974-04-01	6.7
1974-07-01	7.1
1974-10-01	7.3
1975-01-01	7.7
1975-04-01	7.8
1975-07-01	8.0
1975-10-01	9.5
1976-01-01	9.7
1976-04-01	9.9
1976-07-01	9.9
1976-10-01	10.0
1977-01-01	10.1
1977-04-01	10.2
1977-07-01	10.4
1977-10-01	10.5
1978-01-01	10.6
1978-04-01	10.7
1978-07-01	10.7
1978-10-01	12.6
1979-01-01	12.6
1979-04-01	12.7
1979-07-01	12.9
1979-10-01	13.0
1980-01-01	13.3
1980-04-01	13.5
1980-07-01	13.8
1980-10-01	13.9
1981-01-01	14.2
1981-04-01	14.4
1981-07-01	14.9
1981-10-01	15.1
1982-01-01	15.6
1982-04-01	15.9
1982-07-01	16.6
1982-10-01	17.5
1983-01-01	17.7
1983-04-01	18.1
1983-07-01	18.5
1983-10-01	19.6
1984-01-01	20.0
1984-04-01	20.5
1984-07-01	20.8
1984-10-01	21.2
1985-01-01	21.5
1985-04-01	21.8
1985-07-01	22.4
1985-10-01	22.9
1986-01-01	23.6
1986-04-01	24.1
1986-07-01	24.6
1986-10-01	25.4
1987-01-01	26.1
1987-04-01	26.7
1987-07-01	27.1
1987-10-01	27.6
1988-01-01	28.2
1988-04-01	28.6
1988-07-01	29.0
1988-10-01	29.0
1989-01-01	29.6
1989-04-01	30.2
1989-07-01	30.9
1989-10-01	31.5
1990-01-01	32.2
1990-04-01	32.8
1990-07-01	33.5
1990-10-01	34.6
1991-01-01	35.0
1991-04-01	35.7
1991-07-01	36.2
1991-10-01	36.6
1992-01-01	36.7
1992-04-01	37.1
1992-07-01	38.3
1992-10-01	39.4
1993-01-01	40.2
1993-04-01	40.8
1993-07-01	41.7
1993-10-01	42.4
1994-01-01	42.9
1994-04-01	43.4
1994-07-01	43.8
1994-10-01	44.4
1995-01-01	45.0
1995-04-01	46.7
1995-07-01	48.3
1995-10-01	49.5
1996-01-01	50.3
1996-04-01	51.0
1996-07-01	51.1
1996-10-01	51.4
1997-01-01	51.6
1997-04-01	51.7
1997-07-01	51.6
1997-10-01	52.4
1998-01-01	52.7
1998-04-01	53.2
1998-07-01	53.4
1998-10-01	53.5
1999-01-01	54.0
1999-04-01	54.3
1999-07-01	54.5
1999-10-01	55.5
2000-01-01	56.5
2000-04-01	57.0
2000-07-01	60.6
2000-10-01	61.3
2001-01-01	62.8
2001-04-01	63.6
2001-07-01	64.3
2001-10-01	64.4
2002-01-01	65.0
2002-04-01	65.4
2002-07-01	66.1
2002-10-01	66.1
2003-01-01	66.9
2003-04-01	67.3
2003-07-01	68.6
2003-10-01	69.0
2004-01-01	69.8
2004-04-01	70.3
2004-07-01	71.0
2004-10-01	71.4
2005-01-01	72.3
2005-04-01	72.7
2005-07-01	73.4
2005-10-01	73.8
2006-01-01	74.7
2006-04-01	75.4
2006-07-01	75.8
2006-10-01	76.4
2007-01-01	77.0
2007-04-01	77.7
2007-07-01	78.1
2007-10-01	79.1
2008-01-01	80.0
2008-04-01	81.4
2008-07-01	82.6
2008-10-01	83.7
2009-01-01	84.5
2009-04-01	85.3
2009-07-01	85.9
2009-10-01	86.4
2010-01-01	87.5
2010-04-01	92.7
2010-07-01	95.5
2010-10-01	96.2
2011-01-01	97.3
2011-04-01	97.9
2011-07-01	98.4
2011-10-01	99.3
2012-01-01	100.7
2012-04-01	101.7
2012-07-01	102.6
2012-10-01	102.8
2013-01-01	104.4
2013-04-01	105.8
2013-07-01	106.7
2013-10-01	108.4
2014-01-01	111.5
2014-04-01	113.3
2014-07-01	114.5
2014-10-01	116.4
2015-01-01	117.3
2015-04-01	118.7
2015-07-01	120.2
2015-10-01	123.4
2016-01-01	124.5
2016-04-01	125.7
2016-07-01	127.1
2016-10-01	130.7
2017-01-01	132.1
2017-04-01	133.1
2017-07-01	136.0
2017-10-01	140.3
2018-01-01	141.3
2018-04-01	143.5
2018-07-01	145.3