Quarter	Index source base
1981-01-01	13.1
1981-04-01	13.1
1981-07-01	13.1
1981-10-01	13.1
1982-01-01	13.1
1982-04-01	13.1
1982-07-01	13.1
1982-10-01	13.1
1983-01-01	14.8
1983-04-01	14.8
1983-07-01	14.8
1983-10-01	14.8
1984-01-01	16.4
1984-04-01	16.4
1984-07-01	16.5
1984-10-01	16.5
1985-01-01	17.9
1985-04-01	17.9
1985-07-01	17.9
1985-10-01	17.9
1986-01-01	19.7
1986-04-01	19.7
1986-07-01	19.7
1986-10-01	19.7
1987-01-01	21.7
1987-04-01	21.7
1987-07-01	21.7
1987-10-01	21.7
1988-01-01	24.3
1988-04-01	24.3
1988-07-01	24.3
1988-10-01	24.3
1989-01-01	27.3
1989-04-01	27.3
1989-07-01	27.3
1989-10-01	27.3
1990-01-01	31.1
1990-04-01	31.1
1990-07-01	31.1
1990-10-01	31.1
1991-01-01	34.3
1991-04-01	34.3
1991-07-01	34.3
1991-10-01	34.3
1992-01-01	37.0
1992-04-01	37.0
1992-07-01	37.0
1992-10-01	37.0
1993-01-01	38.6
1993-04-01	38.6
1993-07-01	38.6
1993-10-01	38.6
1994-01-01	40.0
1994-04-01	40.0
1994-07-01	40.0
1994-10-01	40.0
1995-01-01	41.7
1995-04-01	41.7
1995-07-01	41.7
1995-10-01	41.7
1996-01-01	44.1
1996-04-01	44.1
1996-07-01	44.1
1996-10-01	44.1
1997-01-01	47.0
1997-04-01	47.0
1997-07-01	47.0
1997-10-01	47.0
1998-01-01	49.7
1998-04-01	49.7
1998-07-01	49.8
1998-10-01	49.8
1999-01-01	51.9
1999-04-01	51.9
1999-07-01	51.9
1999-10-01	51.9
2000-01-01	54.6
2000-04-01	54.6
2000-07-01	54.7
2000-10-01	54.8
2001-01-01	57.1
2001-04-01	57.1
2001-07-01	57.1
2001-10-01	57.1
2002-01-01	59.8
2002-04-01	59.8
2002-07-01	59.9
2002-10-01	60.0
2003-01-01	62.7
2003-04-01	62.7
2003-07-01	62.8
2003-10-01	62.8
2004-01-01	67.6
2004-04-01	67.6
2004-07-01	67.6
2004-10-01	67.7
2005-01-01	71.8
2005-04-01	71.8
2005-07-01	71.9
2005-10-01	71.9
2006-01-01	76.0
2006-04-01	76.0
2006-07-01	75.3
2006-10-01	75.4
2007-01-01	79.1
2007-04-01	79.2
2007-07-01	78.5
2007-10-01	78.5
2008-01-01	82.5
2008-04-01	82.6
2008-07-01	82.2
2008-10-01	82.2
2009-01-01	86.7
2009-04-01	86.7
2009-07-01	86.8
2009-10-01	86.8
2010-01-01	91.6
2010-04-01	91.7
2010-07-01	91.8
2010-10-01	91.8
2011-01-01	97.0
2011-04-01	97.1
2011-07-01	97.1
2011-10-01	97.1
2012-01-01	102.9
2012-04-01	102.9
2012-07-01	103.0
2012-10-01	103.0
2013-01-01	108.9
2013-04-01	108.8
2013-07-01	108.8
2013-10-01	108.8
2014-01-01	114.4
2014-04-01	114.4
2014-07-01	114.5
2014-10-01	114.5
2015-01-01	120.6
2015-04-01	120.6
2015-07-01	120.8
2015-10-01	120.8
2016-01-01	124.6
2016-04-01	124.6
2016-07-01	124.8
2016-10-01	124.8
2017-01-01	128.7
2017-04-01	128.7
2017-07-01	128.7
2017-10-01	128.8
2018-01-01	132.1
2018-04-01	132.2
2018-07-01	132.3